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Title Type Language Date Version Rating
TS-M-2, TS-M-2-600V & TS-RM-2 Datasheet application/pdf English 02.25.2014 01
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Marketing 1.58 Mb pdf

Description:

TriStar Meter-2 & TriStar Meter-2-600V and TriStar Remote Meter-2 Datasheet

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TriStar Operator’s Manual application/pdf English 03.18.2021 4.6
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Marketing 1.50 Mb pdf

Description:

Comprehensive manual covering installation, operation, and maintenance of the TriStar charge/load controller.

 

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TriStar Digital Meter 2 Operator’s Manual application/pdf English 10.10.2013 02
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Marketing 5.00 Mb pdf

Description:

Tristar Digital Meter – 2 Manual in English

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TriStar Datasheet application/pdf English 02.10.2011 01
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Marketing 1.18 Mb pdf

Description:

Full operating specifications of the TriStar including:

  • Electrical parameters
  • charging setpoints
  • Mechanical specs
  • Environmental ratings

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Remote Temperature Sensor Installation Instructions application/pdf English 09.28.2019 08
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Marketing 5.36 Mb pdf

Description:

Installation instructions for the Remote Temperature Sensor.

Applicable Products:

  • ProStar (Gen 2)
  • ProStar Gen 3
  • ProStar MPPT
  • TriStar
  • SunKeeper
  • SunSaver Duo
  • SunSaver MPPT

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Remote Temperature Sensor Datasheet application/pdf English 06.29.2010 03
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Marketing 105.53 Kb pdf

Description:

Remote Temperature Sensor Datasheet

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Ground Fault Protection Device Datasheet application/pdf English 01.09.2014 01
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Marketing 662.97 Kb pdf

Description:

Ground Fault Protection Device Datasheet

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GFPD-150V Operator’s Manual application/pdf English 03.22.2017 1.5
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Marketing 4.08 Mb pdf

Description:

Comprehensive installation and operation instructions

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Charging Isolated Battery Banks – 1 controller application/pdf English 09.29.2011 01
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Marketing 172.98 Kb pdf

Description:

There is often a need to charge two or more isolated batteries with the same off-grid solar system. Morningstars SunSaver-Duo charge controller is designed to charge 2 isolated battery banks with an adjustable charging priority. We recommend the use of this controller for isolated battery bank applications.

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Charging with Parallel Controllers application/pdf English 05.13.2013 01
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Marketing 529.56 Kb pdf

Description:

A diagram showing two SunSaver controllers shows how to properly parallel multiple Morningstar controllers into the same battery system. The concepts shown are applicable to all Morningstar controller models.

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Correct Inverter Wiring application/pdf English 05.13.2013 01
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Marketing 553.82 Kb pdf

Description:

A diagram shows how to properly wire a charge controller and an inverter into the same battery-based PV system.

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Declaration of Conformity for Products 48V & Over application/pdf English 10.20.2011 01
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Marketing 272.55 Kb pdf

Description:

The EMC Directive 2004/108/EC

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EMC-1 Manual – Multi-lingual application/pdf English, French, German, Spanish 04.02.2021 2.8
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Marketing 3.59 Mb pdf

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Load Control Using a Relay application/pdf English 05.13.2013 01
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Marketing 523.80 Kb pdf

Description:

Some loads are not suitable for direct connection to the Load terminals of a Morningstar controller. Heavily inductive or capacitive loads such as pumps, motors, compressors, and inverters should not be wired to the controllers Load terminals. In addition, loads exceeding the Load Current Rating of the controller should not be connected to the controllers Load terminals. Low Voltage Disconnect protection can be maintained when using these loads via the use of a Relay. A diagram and corresponding notes shows how this can be accomplished.

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Load Control w/ SureSine Inverter application/pdf English 05.13.2013 01
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Marketing 617.74 Kb pdf

Description:

Two diagrams are provided showing how load control can be safely used with inverters. The first diagram is applicable to all inverters. The second diagram is applicable to Morningstar SureSine inverters (and possibly 3rd party inverters with remote ON/OFF contacts). Note that in these diagrams, the TriStar Load Controller can be replaced with any Morningstar controller with Load Control functionality.

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Morningstar Communications Document application/pdf English 12.09.2020 3.3
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Marketing 2.30 Mb pdf

Description:

A comprehensive guide to communication with Morningstar products.
Topics covered include:

  • MeterBus networks
  • Serial RS-232 and EIA-485 networks
  • Ethernet, HTTP, web interfaces
  • Related hardware and cables

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Morningstar Positive Ground Tech Note application/pdf English 01.30.2021 02
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Marketing 559.23 Kb pdf

Description:

Wiring diagram and procedures when using the TriStar, TriStar-MPPT, ProStar, or ProStar MPPT controllers in positive ground systems.

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Morningstar-Corporation-Traditional-PWM-vs-TrakStar-MPPT-Whitepaper-March-2015 application/pdf English 02.11.2014 01
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WHITEPAPER 1005.40 Kb pdf

Description:

A white paper discussing the advantages and disadvantages of PWM and MPPT charge controller technologies. Sizing, environmental, and cost factors are discussed.

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Parallel Battery String Wiring application/pdf English 05.28.2013 01
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Marketing 524.89 Kb pdf

Description:

A diagram shows how to correctly wire charge controllers to a battery bank comprised of multiple parallel strings. Correct wiring is important to ensure even and distributed charging of the entire bank.

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Parallel-Charging-Using-Multiple-Controllers-With-Separate-PV-Arrays-05182015 application/pdf English 05.19.2015 01
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Marketing 767.24 Kb pdf

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Relay Driver Load Control application/pdf English 05.13.2013 01
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Marketing 534.08 Kb pdf

Description:

A diagram showing an effective way to implement load control using the Morningstar Relay Driver accessory module. Best used in systems that do not utilize controllers with built-in load control circuitry.

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Tristar / Tristar MPPT Bridging Redundancy application/pdf English 10.16.2009 01
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COMMS 39.93 Kb pdf

Description:

485 Network with Multiple TriStar and TriStar MPPT units, configured to provide communication redundancy.

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TriStar Bench Testing Instructions application/pdf English 10.03.2007 01
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Marketing 355.88 Kb pdf

Description:

Test the operation of the TriStar using common laboratory equipment:

  • Power supply
  • small Ah-battery
  • small 2 Amp load
  • multi-meter

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TriStar Communication Applications Guide application/pdf English 10.03.2007 01
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Marketing 416.55 Kb pdf

Description:



Example methods of remote communication with the TriStar charge controller.


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TriStar Datasheet in French application/pdf French 01.02.1970 02
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Marketing 1.15 Mb pdf

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TriStar Datasheet in German application/pdf German 01.02.1970 02
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Marketing 1.18 Mb pdf

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TriStar Datasheet in Portuguese application/pdf Portuguese 01.02.1970 01
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Marketing 1.16 Mb pdf

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TriStar Datasheet in Spanish application/pdf Spanish 01.02.1970 02
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Marketing 1.16 Mb pdf

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TriStar Diversion Control application/pdf English 12.13.2007 01
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Marketing 164.53 Kb pdf

Description:

This document provides information and instructions on configuring the TriStar as a Diversion charge controller.

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Tristar Fault and Alarm Codes application/pdf English 04.21.2016 1.0
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Marketing 1.93 Mb pdf

Description:

Tristar Fault and Alarm Code and possible cause listing

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TriStar LED Summary application/pdf English 08.04.2008 01
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Marketing 100.62 Kb pdf

Description:

A summary of all TriStar LED indications, including fault/alarm sequences.

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TriStar Lighting Control Document application/pdf English 03.11.2009 01
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Marketing 12.18 Kb pdf

Description:



Configuration and installation procedures when using the TriStar as a load lighting controller. This document is an addendum to the TriStar Operator's Manual, which does not detail the lighting control functionality of the TriStar.


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TriStar Modbus Communication Document application/pdf English 02.01.2020 07
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Marketing 546.25 Kb pdf

Description:

A summary of all information required to communicate with the TriStar controller using Modbus” communications.

Details include:

  • com settings
  • address tables
  • register definitions
  • scaling values

 

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TriStar MOSFET Replacement Instructions application/pdf English 10.03.2007 01
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Marketing 186.53 Kb pdf

Description:

Instructions detailing how to replace faulty or damaged MOSFET power transistors in the TriStar controller.

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TriStar MPPT as an EIA-485 Network Bridge application/pdf English 06.20.2012 01
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Marketing 484.99 Kb pdf

Description:

This document provides details regarding configuration of the TriStar MPPT 60, along with additional Morningstar devices, for bridged MODBUS/TCP communication on an EIA-485 network.

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TriStar MPPT Charge / TriStar PWM Load Control application/pdf English 05.13.2013 01
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APPLICATION 528.10 Kb pdf

Description:

This diagram shows an example system including a TriStar MPPT performing charging functionality and a TriStar performing Load Control functionality.

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TriStar MPPT RS-485 Bridging to TriStar PWM application/pdf English 05.13.2013 01
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COMMS 556.64 Kb pdf

Description:

This diagram shows an example system including a TriStar MPPT 60 performing charging functionality and a TriStar performing Load Control functionality. An EIA-485 network is used to enable Ethernet communications with the TriStar Load Controller.

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TriStar PWM DIP Switch Quick Reference application/pdf English 05.13.2013 01
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GENERAL 518.29 Kb pdf

Description:

A diagram and corresponding charts provide a quick reference for the various DIP switch settings available with the TriStar (PWM) controller models.

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TriStar PWM Lighting System w/Charger application/pdf English 05.13.2013 01
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Marketing 612.61 Kb pdf

Description:

Two diagrams are provided to show how a 2-TriStar system can be configured for solar charging and lighting control. Diagram #1 shows how to configure the system for 12V and 24V nominal battery systems. Diagram #2 shows how to configure for 48V nominal battery systems.

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Tristar PWM Operator’s Manual – Multi-lingual application/pdf French, German, Spanish 04.02.2021 02
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Marketing 1.39 Mb pdf

Description:

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TriStar PWM R / G LED Fault Flowchart application/pdf English 05.13.2013 01
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GENERAL 453.67 Kb pdf

Description:

A flowchart to troubleshoot possible causes (and rectifications) of R / G LED sequencing with the TriStar (PWM) controller.

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TriStar PWM R / Y / G LED Fault Flowchart application/pdf English 05.13.2013 01
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GENERAL 483.74 Kb pdf

Description:

A flowchart to troubleshoot possible causes (and rectifications) of R/Y/G LED sequencing with the TriStar (PWM) controller.

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TriStar PWM R+Y / G+Y LED Fault Flowchart application/pdf English 05.13.2013 01
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GENERAL 478.81 Kb pdf

Description:

A flowchart to troubleshoot possible causes (and rectifications) of R+Y / G+Y LED sequencing with the TriStar (PWM) controller.

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TriStar Remote Meter 2 application/pdf 01.01.1970
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Marketing 8.20 Kb pdf

Description:



Source for the TriStar UL1741 listing information.


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TriStar RS-232 Wiring application/pdf English 10.03.2007 01
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Marketing 88.09 Kb pdf

Description:



Detailed pin-out of the TriStar RS-232 (DB-9 connector) port. Includes power requirements and cable wiring.


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TriStar RS-485 Networking Document application/pdf English 10.17.2007 01
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Marketing 165.91 Kb pdf

Description:

A wiring diagram illustrating how to communicate with multiple TriStars using an RS-485 network. Notes included on power requirements.

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TriStar UL 1741 Update Certification 2007 application/pdf English 10.17.2007 01
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Marketing 41.46 Kb pdf

Description:

Follow up TriStar certification letter for UL 1741.

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Title Type Language Date Version Rating
Audible buzzing noise during charging text/plain English 12.07.2009 01
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Tech Note 1.00 b txt

Description:

I sometimes hear a buzzing noise during charging. Is something wrong?

No. The buzzing sound is mechanical resonance created by the switching of current through the circuit board and solid-state devices. This is normal and not indicative of a problem.

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Calculating temperature compensated charging application/pdf English 05.17.2011 1
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Tech Note 191.23 Kb pdf

Description:

Here’s a brief explanation on how to calculate the temperature compensated adjustments our controllers make to their charging voltages based on the ambient temperature changes.

The charging voltages listed in the controller operator’s manual are specified at a 25C standard test condition ambient temperature with a -.030V (@ 12V battery) adjustment per degree C change in temperature above or below the 25C reference. The (-) in front of the .030V indicates that voltage adjustment is inverse to the change in temperature. In other words, if the temperature increases above 25C, the controller decreases it’s charging voltage by -.030V per degree C rise above 25C and vice versa. An accurate measurement of the ambient temperature is required for calculating the the controller’s temperature compensated adjustment.

Example:

An ambient temperature of 35C = +10C increase above the 25C base temp = 10 x -.030V compensated adjustment = temperature compensated -.300V decrease in charging voltage.
Therefore, a 14.4V charging voltage specified in the manual @ 25C would be reduced to 14.1V @ 35C or increased to 14.7V @ 15C.

The compensation rate is doubled to .060V/C for 24Vnominal battery systems and quadrupled to .120V/C for 48V nominal battery systems.

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Calculating temperature compensation variances application/pdf English 09.28.2011 01
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Tech Note 191.23 Kb pdf

Description:

How do I calculate the effect of temperature compensation on the regulation voltage?

Refer to the accompanying document download, which includes compensation curves for most Morningstar Controllers, or refer to temperature compensation coefficient in the specifications section of the Operator’s Manual.

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Can I mount the controller horizontally? text/plain English 05.12.2013 01
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Tech Note 1.00 b txt

Description:

Morningstar controllers have been designed to mount vertically. This is the orientation in which the heatsinks are most effective. Mounting the controller horizontally will reduce its passive cooling efficiency, but the risk of overheating will be determined by the ambient temperature and the power level at which the controller will be operating.

All efforts should be made to mount the controller vertically.

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Can I network multiple TriStars together? text/plain English 12.08.2009 01
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Tech Note 1.00 b txt

Description:

Multiple TriStar controllers can be networked together over an EIA-485 network via their serial ports using the RSC-1 (RS-232 to EIA-485) converters. Each TriStar on the network will need a unique control address (Modbus ID) that can be programmed using the MSView PC software.  TriStar-MPPT controllers have integrated EIA-485 connections and do not require the use of an RSC-1 adapater.

Morningstar devices connected over an EIA-485 network can also be bridged through a TriStar-MPPT-60 or TriStar MPPT 600V controller for remote monitoring over an Ethernet connection.  Please refer to the Morningstar Communications Document and TriStar/TriStar-MPPT Bridging Redundancy Document for additional information.

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Can I specify my own charging setpoints? text/plain English 12.13.2007 01
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Tech Note 1.00 b txt

Description:

Yes, select Morningstar controllers can accept custom charging setpoints. Using our free MSView software, you can configure many of the setpoints and parameters for charging. Please refer to the controller datasheet and manual for more information

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Can the TriStar regulate hydro/wind/gas generators? text/plain English 12.11.2007 01
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Tech Note 1.00 b txt

Description:

Wind/gas/or hydro-generators, and other DC charging sources can be regulated using the TriStar in diversion mode. Refer to the TriStar Operation Manual for more details.

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Changing Charging Settings with TriStar Meter? text/plain English 05.13.2013 01
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Tech Note 1.00 b txt

Description:

The TriStar Meter family (TS-M, RS-RM, TS-M-2, TS-RM-2) cannot be used to change charging parameters. The TriStar Meters only display system data and provide basic user commands, such as resetting Amp-Hour counters and starting/stopping an Equalize charge.

For more information concerning the TriStar Meter family, please consult the respective TriStar Meter manual.

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Charge isolated battery banks with one controller application/pdf English 09.28.2011 01
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Tech Note 111.30 Kb pdf

Description:

Can I charge separate battery banks with one Morningstar charge controller?

Yes.  Refer to the document, “Charging Isolated Battery Banks – 1 Controller”.

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Charging Isolated Battery Banks – 1 Solar Array application/pdf English 09.29.2011 01
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Tech Note 48.64 Kb pdf

Description:

A wiring diagram for charging multiple isolated battery banks using multiple controllers and only one PV array.

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Charging LED staying lit after solar input removed text/plain English 05.12.2013 01
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Tech Note 1.00 b txt

Description:

Most Morningstar controllers will take up to 5 minutes to realize that the solar input voltage is no longer present before transitioning into the ‘night’ state. The controller performs periodic day/nigh checks (about once every 5 minutes). Depending upon where the controller is in this cycle when the input is removed, it may take anywhere from 0-5min for the controller to turn off its Charging LED and go into the ‘night’ state.

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Charging NiMh Batteries text/plain English 10.16.2007 01
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Tech Note 1.00 b txt

Description:

Our controllers are designed to charge lead-acid batteries which have different charging requirements than NiMh. Please DO NOT use our products with NiMh batteries, it is dangerous to do so.

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Common Reasons Why Power Transistors Fail text/plain English 09.28.2011 01
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Tech Note 1.00 b txt

Description:

The internal switches of a controller, called MOSFETs or power transistors, switch current on and off to control solar current and load current. Because these components are in the power path, the controller will no longer be able to switch current if they fail.

Power transistors can fail for the following reasons:

  • Over-voltage: lightning or other high voltage transients on the PV power cables.
  • Over-current: too much PV for the controller or a short in the PV line pulls too much currentout of the battery through the controller.
  • Extreme temperatures during charging.
  • A premature failure of the component. The transistors are solid state devices that are manufactured in huge volumes with extremely low failure rates. However, no electrical components are 100% defect free and can pass test and then fail after a short period of time.
  • Old age

 

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Controller System Sizing with 60 Cell Modules application/pdf English 10.01.2013 01
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Tech Note 290.20 Kb pdf

Description:

This Tech Tip discusses the use of today’s 60 cell PV modules with Morningstar’s solar controllers. It explains why 60 cell modules are not well adapted for meeting the nominal array voltage requirements of PWM controllers. It also shows how Morningstar’s MPPT controllers can be used with great success at higher input voltages.

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DIP Switch Changed Fault (RYG) text/plain English 05.13.2013 01
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Tech Note 1.00 b txt

Description:

If one or more DIP switches are changed while the controller/inverter is powered, the controller/inverter will display a DIP Switch Changed Fault (and the LEDs will begin to sequence). Changing DIP switches while the unit is operating will cause the unit to stop charging until the unit is reset. A reset can be performed by removing power from the device (so that all the LEDs go off) and then re-starting the unit. This procedure prevents the inadvertent changing of operational settings while the controller/inverter is active.

After the controller/inverter has been re-started, it will operate with the new DIP switch settings.

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Do I have to ground the TriStar chassis? text/plain English 12.13.2007 01
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Tech Note 1.00 b txt

Description:

Yes, we recommend grounding the controller chassis per NEC requirements.

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Do Morningstar controllers use SOC calculations? text/plain English 09.28.2011 01
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Tech Note 1.00 b txt

Description:

Do Morningstar Controllers regulate according to SOC (State of Charge) calculations?

No. Morningstar Controllers regulate according to battery voltage setpoints. Because battery health and other factors affect charging over time, using voltage setpoints is a way to naturally track these changes and affords the user a complete understanding of the controllers operation. SOC calculations and algorithms may not be precise under all conditions and may leave the user with a “fuzzy” understanding of the workings of the unit.

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Does the TriStar have any internal fuses? text/plain English 12.11.2007 01
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Tech Note 1.00 b txt

Description:

There are no internal fuses in the TriStar. Short-circuit and over-current protections are electronic.

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Does the TriStar have communication capabilities? text/plain English 02.08.2012 01
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Tech Note 1.00 b txt

Description:

The TriStar provides one 9-pin RS-232 serial connection. Communication is possible using the MSView PC software (free from our website) Alternatively, application-specific software can be written that communicates with the TriStar using the MODBUS industry standard protocol.

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Flat (Ribbon) DB9 serial cable for TriStar RS-232 text/plain English 05.05.2008 01
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Tech Note 1.00 b txt

Description:

The following is a link to DigiKey, a retailer of flat (ribbon) type DB9 serial cables that can be used with the TriStar RS-232 connection in place of the standard type of serial cables.  The stand-off height of the connectors on standard serial cables obstructs the re-installation of the TriStar face plate while connected.  The low-profile type of DB9 connectors used on these flat serial cables allows the TriStar face plate to be reinstalled without being obstructed by the RS-232 connection.  This is useful in applications that require a continuous RS-232 connection to the TriStar for remote monitoring/communications purposes.

http://www.digikey.com/product-detail/en/H7MFH-0906G/H7MFH-0906G-ND/998943

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G / R sequencing LED indication text/plain English 09.11.2014 01
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Tech Note 1.00 b txt

Description:

Indicates a High Voltage Disconnect fault.

Possible causes:
1) wired past controller switches (bypassed the controller, system wiring error)
2) Sense connection problem
3) RTS connection problem
4) DIP Switch system Voltage wrong
5) Custom settings: setpoints too low (in load control mode, HVD only enabled in custom)
6) Other charging sources in the system. Other charging sources in the system may be charging the battery above the controller’s regulation set-point, causing the high voltage indication. The indication will clear when battery voltage has returned to normal.

Use the troubleshooting flow diagram for system diagnosis.

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Green flashing LED with no solar input to controller text/plain English 09.13.2014 01
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Tech Note 34.00 b txt

Description:

If no input source (solar) is connected to the charge controller, but there are other charging sources connected to the batteries, charge controller may still show a Green Flashing LED (indicating that the controller is in the absorption charging stage). The Green Flashing LED may appear on the Morningstar controller if the battery voltage is at or above the controller’s Absorption charging voltage setting. Although the controller is not delivering power to the batteries (because there is no input source present), the indication still appears. This is not an indication of controller malfunction.

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Help using the MSView Software text/plain English 05.13.2013 01
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Tech Note 1.00 b txt

Description:

MSView contains a built-in Help File (accessible from the Help menu -> Help Topics) which provides detailed information about using the software to connect to Morningstar devices, program custom settings, view and/or log real-time data, and evaluate system performance.

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Higher voltage array with a lower voltage battery text/plain English 09.28.2011 01
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Tech Note 1.00 b txt

Description:

A higher voltage solar array (e.g. 24V nominal) can only be used with a lower voltage battery bank (e.g. 12V nominal) if the controller used is an MPPT controller.

PWM controllers CANNOT be used to charge a lower-voltage battery bank with a higher-voltage solar array. Please use an MPPT style controller if this is required.

 

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How do I size the diversion load bank? text/plain English 12.13.2007 01
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Tech Note 1.00 b txt

Description:

The TriStar Operation Manual (pp 37-42) provides guidelines for diversion load sizing and addresses installation issues as well.

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How long is the warranty on the TriStar? text/plain English 12.11.2007 01
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Tech Note 1.00 b txt

Description:

The TriStar carries a 5 year manufacturers warranty.

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How many meters can I connect to the TriStar? text/plain English 12.13.2007 01
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Tech Note 1.00 b txt

Description:

We allow up to 2 digital meters to be connected to a single TriStar. Any combination of local and remote meters is acceptable.

Note: due to power limitations on the bus, only one meter can have an illuminated backlight at any given time. A meter will turn off the other meter’s backlight if necessary before turning on its own backlight.

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How should I mount the TriStar? text/plain English 12.13.2007 01
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Tech Note 1.00 b txt

Description:

The TriStar should be mounted on a vertical surface out of direct sun with the TriStar heatsink fins oriented vertically. Allow at least 3 inches above the heatsink for airflow.

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Is datalogging available on my controller? text/plain English 12.13.2007 01
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Tech Note 1.00 b txt

Description:

Yes, on select Morningstar controllers. The MSView PC software will provide logging capability through the serial or Ethernet port. Additionally, a number of commercial dataloggers and PLCs support the Modbus protocol.

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Is the chassis ground the same as the DC negative? text/plain English 12.13.2007 01
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Tech Note 1.00 b txt

Description:

The electrical negative is isolated from chassis ground.

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Meter Display Buttons Not Working text/plain English 05.13.2013 01
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Tech Note 1.00 b txt

Description:

The note below assumes the meter is powered and displaying text on the screen.

If a button(s) for any one of the following display models appears to stop working:

– TS-M / TS-RM
– TS-M-2 / TS-RM-2
– RM-1

there may be several explanations:

1) You have reached the end of a menu, and there are no more screens to display in that direction (e.g. if you go to the bottom of a menu and continue to push the DOWN arrow, nothing will happen)

2) If the backlight is OFF, the first button press will turn the backlight ON, but will not change the meter screen. E.g. if the backlight is OFF and you would like to move LEFT in the display, you must press LEFT twice – the first to turn the backlight ON, the second to move LEFT in the display). In brightly lit rooms or sunny conditions, it may be difficult to detect whether the backlight is ON or OFF.

3) The button contacts have become dirty. To clean the button contacts:

– Disconnect the meter cable from the back of the meter
– Remove the two screws on the back of the meter, holding the meter circuit board to the faceplate
– Wet a Q-tip or small paper towel with a small amount of alcohol
– Clean the 4 contact points on the circuit board and the contact point on each of the buttons

If the meter button(s) still do not function correctly after checking the points above, contact your Morningstar re-seller / dealer for warranty replacement.

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No start-up LED sequence, stops on yellow text/plain English 10.17.2007 01
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Tech Note 1.00 b txt

Description:

Problem: When power is applied to the controller, the SOC LEDs do not perform the full start-up G-Y-R sequence, and stop on yellow (solid ON). The controller is not working.

Solution: This indicates that firmware is not properly loaded into the controller. Download the MSLoad firmware utility and the latest firmware. Follow the instructions to load new firmware into the controller. If unsuccessful, contact your authorized Morningstar dealer for service.

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Noise or Interference During PWM Charging text/plain English 09.28.2011 01
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Tech Note 1.00 b txt

Description:

Pulse Width Modulation (PWM) charging may cause interference in sensitive loads in the system during charging. The SunSaver switches current at 300 Hz. PWM switching noise can sometimes be heard in the controller itself, the wiring or wiring connections, or the system loads. AM radios and CB radios are especially prone to PWM interference. Noise in the controller or wiring is caused by mechanical resonance when current is switched through the circuits. There is little that can be done to remedy this issue. However, noise/interference in the system loads can usually be reduced or eliminated by the following:

1) Minimize cable runs between components

2) Twist power pairs(+/-) to reduce radiated noise

3) Good system grounding

4) Add capacitance across load power(at load input, 22000uf or more)

5) Add a line filter. some have had success with car audio filters that eliminate alternator whine. If these measures do not eliminate or reduce interference to acceptable levels, the controller can be modified to reduce the switching frequency. The 3rd generation SunSaver has a wire loop under the faceplate. If this loop is cut, the controller will reduce the switching frequency to ~1 Hz. Refer to the SunSaver Operator’s Manual for more information.

6) Some Morningstar controllers allow for operation in a ‘low-noise’ state. Check your controller documentation for details.

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Parallel load outputs of multiple controllers text/plain English 09.28.2011 01
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The load outputs of multiple charge controllers can be wired together in parallel provided the following is true:

  • The total load draw does not exceed the current rating of the LOWEST RATED CONTROLLER
  • Isolating diodes are installed on each of the controller’s load outputs (if the controllers to not share a battery bank)

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Purpose of the battery sense connection text/plain English 12.11.2007 01
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When large currents flow through the battery power cables, a voltage drop results due to resistance in the cables. Since the controller regulates the batteries according to battery voltage, it is important that the controller measure the voltage directly at the battery. The Battery Sense connection allows battery voltage measurement directly at the terminals because the sense lines carry very little current (hence, small-gauge wire) enabling accurate regulation.   Without the sense lines, the controller must use the battery power connections, which may be different than actual battery voltage. The Battery Sense connection is optional and is only needed when significant voltage drops exist on the battery power cables.

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R/Y – G/Y sequencing LED indication text/plain English 10.17.2007 01
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Description:

Red & Yellow – Green & Yellow sequencing LEDs indicate one of the following faults:

  • Remote Temp Sensor Fault
  • Battery Sense Fault

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Remote Temp Sensor needed for TriStar temp compensation text/plain English 12.13.2007 01
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Yes, the optional RTS is required for the temperature compensation feature. If an RTS in not used, the TriStar or TriStar MPPt will not compensate charging setpoints for temperature.

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Reverse discharge protection at night text/plain English 09.12.2014 01
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Tech Note 34.00 b txt

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All Morningstar controllers will automatically prevent reverse discharge of the battery back through the solar array during the night. No external diodes on the input of the controller are required.

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Serial communication problems text/plain English 10.22.2007 01
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Description:

If you are having problems communicating with a Morningstar product using a serial connection, try the following:

1. Make sure that the unit is powered with a battery or power supply. The unit cannot communicate without power.

2. Verify that the serial cable is not a Null Modem or cross-over cable.

3. Verify that no other programs or managers are using the same serial port.

4. Check the serial cable for continuity using a multimeter. The cable should have continuity from Pin1<->Pin1, Pin2<->Pin2,… If possible, try another cable.

5. Shut down and restart the PC. Reattempt connection.

6. Try another PC

For products that require the PC MeterBus Serial Adapter (Model: MSC), check the RJ-11 telephone cable. If possible, try another cable. It has been reported that some USB to Serial cables will not work with the MSC because the RS-232 output signal voltages are below the RS-232 electrical specification.

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Should I add fuses and/or disconnects to my system? text/plain English 12.13.2007 01
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Fuses, circuit breakers and disconnects should be included in your system. Refer to your local/national codes concerning requirements. The controller’s Operation Manual outlines NEC requirements for installations in the United States.

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TriStar / TriStar MPPT Heat Dissipation Inside Enclosures application/pdf English 10.01.2013 01
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APPLICATION 1.26 Mb pdf

Description:

Morningstar controllers and inverters are very often installed within an outdoor enclosure. Many of these installations are located in warm climates where overheating of equipment inside the enclosure can become a concern. Since power electronic components will produce heat that can accumulate inside the enclosure, it is important to determine the effect of this heating on the temperature inside that enclosure. This tech tip discusses how to calculate the heat dissipation for Morningstars TriStar (PWM) and TriStar MPPT solar charge controllers and then determine how that heat dissipation will affect the temperature inside a sealed enclosure. Using this information, system designers can start to make better decisions regarding heat management inside the enclosure.

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TriStar and 36 Volt Systems text/plain English 12.11.2007 01
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For 36V systems, you will need to use the custom settings. The TriStar assumes that 12V nominal values are programmed into custom memory. When the user changes the DIP switches for 24V or 48V operation, the TriStar automatically doubles(or quadruples) the programmed values. In the case of a 36V system: 1. divide your desired regulation setpoints by 4
2. Program these values into the TriStar using the PC software
3. Set the TriStar in 48V mode with the DIP switches (DIPS 2,3 = ON)
4. Set the TriStar battery type to custom (DIPS 4,5,6 = ON)  In 48V mode, the TriStar will multiply your setpoints by 4, attaining the correct regulation voltages you require.  Use the 48V setting because the TriStar will more accurately measure 36V system voltages in the 48V setting.

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TriStar DC negative and chassis ground text/plain English 11.17.2009 01
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Electrical negative is isolated from chassis ground in the TriStar and TriStar MPPT family of controllers. Morningstar recommends earth grounding the chassis per NEC guidelines. See the installation section in the Owner’s Manual for more details.

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TriStar Input Power Sources text/plain English 10.05.2007 01
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Alternate chargingsources other than solar (i.e. wind, hydro, etc) should only be used in diversion control mode configuration with the TriStar controller. Do not wire wind or hydro generators to the solar input of the TriStar. The TriStar was designed and tested only for solar input. Wind and hydro generators have different output characteristics that could causedamage to the controller. Further, the controller is designed to record andanalyze day/night length, history, and charging characteristics based on theday/night transitions. Since wind and hydro generators produce output regardless of time of day, theTriStar will not be capable of determining day and night transitionsand lengths. This will affect the automatic equalization setting and thecontrollers transition to the float stage.

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TriStar Meter does not match Multimeter measurements text/plain English 10.09.2007 01
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If voltage and/or current measurements do not match the values reported on the TriStar meter (or values reported to MSView) check the following:

  • Measure the voltages directly at the TriStar terminals. Voltage drops due to line resistances can be significant.

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TriStar Meter values differ from measured values text/plain English 12.11.2007 01
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Description:

Measure the voltages directly at the TriStar terminals. Voltage drops due to line resistances can be significant.

Be sure the Battery Sense wires are not wired to the RTS(remote temperature sensor) terminals. Both terminals look similar and are easy to mix up.

Check for correct polarity at the Battery Sense connection.

Confirm your measurements with another multimeter.

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TriStar R-Y-G sequencing LED indication text/plain English 10.17.2007 01
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Refer to the troubleshooting flow diagram to diagnose the TriStar R-Y-G fault LED indication.
The R-Y-G flashing sequence indicates one of the following faults(no alarms):

  • MOSFET shorted (“FET short”)
  • software bug (“software”)
  • Changed DIP switch while running (“DIP sw Changed”)
  • EEPROM changed (“Settings Edit”)
  • Interrupted fault due to reset – clears after 10 sec (“reset?”)
  • system miswiring detected [load mode only]

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TriStar SOC LED Accuracy text/plain English 10.05.2007 01
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TriStar state of charge (SOC) LED transitions are based on battery voltage setpoints, and provide only an approximation of the true SOC of the battery. A true SOC calculation is not performed because the TriStar does not have load current information (current drawn out of the battery). A TriStar in charge control mode (or a TriStar MPPT) can only measure current into the battery from the solar panels.

The LEDs will however provide a relative indication of how your system is performing. e.g.:

“Each day I charge to Green. At dusk it settles to Grn-Yel, by morning I’m at Yel-Red”

which may help detect problems if the LED behavior changes drastically. (charge all day and it doesn’t get out of red)

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Using a DC power supply as a PV panel substitute? text/plain English 03.05.2009 01
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Can I use a power source other than a PV panel to charge my batteries?

We do not recommend using a DC power supply with any of our PWM controllers. While they appear to be similar to PV modules in function, DC power supplies have considerably more output capacitance. Connecting a DC power supply to our PWM controllers may cause excessive heating and premature failure. MPPT controllers can be used for this purpose without issue. In addition, AC powered battery chargers are often the best option for systems requiring AC battery charging.

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Using multiple controllers with one PV array application/pdf English 09.28.2011 01
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Tech Note 71.50 Kb pdf

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Can I wire multiple controllers in parallel off the same PV array to charge different batteries?

Yes. Refer to the document, “Charging Isolated Battery Banks”. This can ONLY be done with PWM controllers. MPPT controllers cannot be used in this configuration.

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What are the functions of the TriStar? text/plain English 12.11.2007 01
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The TriStar can function as a solar charge controller, a load controller, OR a diversion controller. It can be configured to perform ONLY ONE function at a time.

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What caused my controller terminal to burn/melt? text/plain English 09.12.2014 01
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When two conductors (a wire and screw terminal for instance) are mated, there is a resistance at that connection. Usually this contact resistance is very low and poses no threat. However, when connections become loose, oxidation builds on the surfaces, or corrosion accumulates, the resistance at the connection can increase to a dangerous level.

When current passes through resistance, power is dissipated in the form of heat. If the value of the resistance goes up, so does the power dissipated (for the same amount of current). When a connection has high resistance, the heat generated at the connection can melt surrounding material such as plastics and actually catch fire.

Resistive connections can occur on any electronic device that carries significant amounts of power. It is important to periodically check the tightness of the connections and inspect for corrosion as suggested in the Maintenance section of the Operator’s Manual. Along with periodically checking the connections, dielectric grease can be applied to the terminals to avoid corrosion build-up on the conductor surfaces. Mobile installations tend to be the most susceptible to developing resisitve connections because motion works cables loose from their terminals, however, resistive connections can occur on stationary installations as well.

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What if the TriStar current rating is exceeded? text/plain English 12.11.2007 01
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The TriStar has over-current protections built in, and will set an alarm and/or fault if the condition persists. The controller will limit input/load current to prevent damage and in severe cases, will switch off the current. Never design a system where the current will exceed the controller’s rating under normal system conditions. Systems designed to NEC standards must follow the current de-rating guidelines (as outlined in the user manual).

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What is PWM charging? application/pdf English 12.11.2007 01
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Tech Note 313.43 Kb pdf

Description:

PWM is an acronym for Pulse Width Modulation. When the battery is recharged to regulation voltage, the controller will begin limiting the amount of current into the battery so that the regulation voltage is maintained but not surpassed. The method of regulating the current, referred to as PWM, pulses current into the battery with pulses of a varying width. Wider pulses allow a greater percentage of the input current to flow into the battery, narrower pulses restrict current to a lower percentage. Refer to the accompanying download,  “Why PWM?”, for more technical and detailed information concerning PWM charging.

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What is the Modbus protocol? text/plain English 12.13.2007 01
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Direct from the FAQ at http://www.modbus.org :

MODBUS® Protocol is a messaging structure developed by Modicon in 1979, used to establish master-slave/client-server communication between intelligent devices. It is a de facto standard, truly open and the most widely used network protocol in the industrial manufacturing environment. It is literally implemented by hundreds of vendors on thousands of different devices in order to transfer discrete/analog I/O and register data between control devices. It’s really a lingua franca or common denominator between different manufacturers. One report called it the “de facto standard in multi-vendor integration”.

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What is the PWM switching frequency? text/plain English 05.13.2013 01
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All Morningstar PWM type controllers have a PWM switching frequency of ~300Hz.

Some Morningstar PWM controllers have a feature which will reduce the switching frequency to ~1Hz (called on/off charging). This on/off charging virtually eliminates switching noise (both radiated and conducted) and can be used when experiencing noise problems with 300Hz switching operation.

Current models with this on/off charging option are:

– SunSaver Generation 3

– SunSaver Duo

– ProStar PWM

– TriStar PWM

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What is the TriStar self-consumption rating? text/plain English 12.11.2007 01
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Description:

The TriStar will consume less than 20mA. The digital meter and other options may increase consumption.

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What pins do I use for making my own serial cable? text/plain English 12.07.2009 01
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Description:

I want to make my own serial cable. What pins do I need (at a minimum)?
The serial port on the TriStar is opto-isolated per UL requirements. For this reason, the TriStar serial port is “port powered”, which means it requires a small amount of power from the host (PC or other device). In addition to pins 2,3,& 5, pin 4 and/or 7 should be connected. For more information, refer to the document, “TriStar RS-232 Wiring”.

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What size grounding wire should I use in my system text/plain English 12.13.2007 01
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Description:

Minimum Sizes:
TS-45 6mm2 (10 AWG)
TS-60 10mm2 (8 AWG)

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What type of regulation does the TriStar use? text/plain English 12.11.2007 01
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Description:

The TriStar uses PWM (pulse width modulation) regulation. There is a DIP switch option to change the regulation method to On-Off to reduce noise in telecom applications. This method switches at 1Hz and is less efficient than PWM. We recommend the PWM setting unless there are issues with noise.

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Where can I find an RS-232 cable? text/plain English 12.13.2007 01
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Description:

RS-232 serial cables can be found at just about any computer retail store. In most cases, such as mating the TriStar or SunSaver Duo to a PC, you will require a cable with one male and one female connection. Linking a PC with the controller will require a straight-through serial cable (NOT a NULL Modem cable).

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Where can I find Tristar alarm/fault information? text/plain English 12.11.2007 01
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Description:

The TriStar an TriStar MPPT Operation Manuals provide detailed explanations concerning the flashing LED sequences that occur when a fault is present. The TriStar Digital Meter Installation and Operation Manual provides definitions for each of the faults and alarms displayed in the Diagnostics menu.

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Where do I get software to program my controller? text/plain English 12.13.2007 01
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Description:

We supply PC software free of charge (called MSView). It is available for download on our website. Sorry, Apple Mac is not supported.

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Why PWM? application/pdf English 11.07.2012 01
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Tech Note 231.60 Kb pdf

Description:

Frequently Asked Questions about PWM battery charging are addressed.

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Will other charging sources backfeed into my controller? text/plain English 09.12.2014 01
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Description:

Other charging sources can be used in parallel with the Morningstar charge controller; you do not need to isolate the controller from the battery. For best performance when using other charging sources, ensure the charging source and Morningstar controller are set to charge to the same (or close) voltage. If the supplemental charging source is set to a higher charging voltage than the Morningstar controller, the Morningstar controller may go into a fault state temporarily when the battery voltage rises higher than the controller’s setpoint. The controller will automatically recover from this state when the battery voltage drops to a lower level.

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Will the TriStar perform lighting control? text/plain English 12.11.2007 01
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Yes. While it is not documented in the user manual, the TriStar is capable of lighting control. Lighting control must be configured in the custom settings. For more information, download the TriStar Lighting Control document.

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Wiring an inverter to controller Load output text/plain English 09.28.2011 01
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Description:

We do not recommend wiring inverters to the load terminals of our products because of current in-rush on start up. Inverters typically have large amounts of input capacitance (for input filtering). When power is first applied, these capacitors can draw very large currents in the 100’s of amps, albeit for a short period of time. These current surges can stress our power transistors and will trip our short circuit protections. The inverter may start eventually after several attempts to reconnect from the short circuit condition, but this mode of operation is not normal. For this reason, we do not recommend wiring inverters directly. Many inverters have their own LVD circuitry and will not allow the battery to discharge too low. However, if the customer requires load control and LVD functionality, they can switch the inverter through a relay wired in series between the battery and inverter.

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Wiring multiple controllers to one battery bank? text/plain English 12.10.2007 01
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Yes. There can be as many Morningstar controllers as required in parallel on the same battery bank. For best performance, set each controller to as close a charge setting as possible. Since the controllers will not have direct communication with each other, it is not unusual to see the controllers transition between charging stages at different times. This is generally not a concern.

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Title Type Language Date Version Rating
MSLoad-1.3.17 application/zip English 02.05.2016 1.3.17
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Software 955.82 Kb zip

Description:

MSLoad is a PC software utility used to program new product firmware into Morningstar products that support firmware updates.

Instructions

  • Download MSLoad
  • Download the latest product firmware
  • Unzip MSLoad
  • View MSLoad README

 

Products supported

  • Relay Driver
  • SunSaver MPPT
  • ProStar MPPT
  • TriStar
  • TriStar MPPT
  • TriStar MPPT 600V
  • TriStar Digital Meter
  • TriStar Remote Meter
  • TriStar Digital Meter 2
  • TriStar Remote Meter 2

System Requirements

  • Windows 95 or later
  • x386 or later PC

 

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MSView-1.6.44.0 application/zip English 07.01.2017 1.6.44.0
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Software 12.74 Mb zip

Description:

MSView is a PC software utility that allows a PC to connect to supported Morningstar products. It provides real-time data display, customizable data logging, historical graph display of logged data, and an easy to use interface with integrated help menus. MSView also features several setup and configuration wizards for the Prostar-MPPT, TriStar, TriStar-MPPT, TriStar-MPPT 600V, SunSaver MPPT, SunSaver Duo, and Relay Driver.
NOTE: The latest firmware updates for all applicable products are also included in this MSView download.SunSaver-MPPTs MUST be updated to firmware version v09 or later to enable lighting control functionality.

Version: 1.6.34.0

  • – Includes support for EMC-1 & PSPWM Gen3.
  • – Minor scaling fixes for other controllers

 

Version: 1.6.44.0

  • – PSPWM / PSPPT Summary Screen Swap
  • – Connection Sharing between Real-Time Data & Setup Wizards

 

 

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TriStar Firmware Update application/zip English 10.04.2019 16
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Software 32.67 Kb zip

Description:

This is the latest firmware update for the TriStar charge controller. To update the TriStar firmware, download this file and the MSLoad PC software utility found in the related documents. This firmware update contains all fixes to date. Only the latest firmware update needs to be programmed into the TriStar.

IMPORTANT NOTE:
For firmware releases v13 and older, the TriStar internal boot-loader must be updated. The boot updater file is included in the .zip file along with instructions. This update only needs to be performed once. Thereafter, firmware updates can be loaded normally.

 

v12b

  •  modified default custom settings float enter value to 30% (factory default value)
  •  fixed a MODBUS timing issue

 

v13

  •  added data logging feature. TriStar now records ~90 days of data internally. Access data with MSView or TriStar Meter 2 (logging display not supported in original TriStar meter)
  •  added new Alarm: “Controller Reset” has been added to the daily alarms. If power is removed, the event is recorded in memory
  •  real-time kWh value now accessible via Modbus

 

v14

  •  factory firmware release with bootloader update (TriStars with older firmware versions will need to perform the bootloader update procedure before updating to v14 and newer code)

 

v15

  •  added support for advanced settings menu, ability to adjust controller Meterbus ID from the digital meter (TS-M-2, TS-RM-2)

 

v16

  • Improved RTS detection to reduce false-positives at cold temperatures

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Title Type Language Date Version Rating
TriStar PWM-Meter Lit-Angled Product Photo image/png English 10.10.2013 01
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TriStar PWM-Meter Lit-Angled Product Photo 231 KB

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TriStar PWM-Meter Lit-Straight Product Photo image/png English 10.10.2013 01
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TriStar PWM-Meter Lit-Product Photo

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TriStar-45 Angled Product Photo 233 KB

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TriStar-45 Straight Product Photo 216 KB

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TriStar-60 Angled Product Photo 234 KB

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TriStar-60 Straight Product Photo image/png English 10.10.2013 01
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TriStar-60 Straight Product Photo 224 KB

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Title Type Language Date Version Rating
Morningstar-TriStar-45&60-vs-Schneider-C40&C60-11.24.2014 application/pdf English 11.25.2014 01
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Training 345.78 Kb pdf

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Morningstar-TriStar-45&60-vs-Schneider-C40&C60-11.24.2014_ger application/pdf German 12.17.2014 01
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TriStar CAD Files application/zip English 05.24.2020 02
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2014-2015 Product Catalog in English application/pdf English 05.14.2014 01
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Description:

The 2014/2015 Morningstar Product Catalog in English

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Company Profile (video) video/x-ms-wmv English 10.16.2012 01
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Short video highlighting Morningstar Corporation’s history and products.

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Counterfeit Campaign application/pdf English 04.16.2013 01
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Intl-Warranty application/pdf English 10.17.2013 01
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Morningstar Product Warranty

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RoHS Certification Document application/pdf English 02.19.2014 01
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Corporate 81.08 Kb pdf

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The part numbers listed within are in compliance with Directive 2011/65/EC on the restriction of the use of certain
hazardous substances in electrical and electronic equipment (RoHS directives). This document also certifies that
the product declaration that has been provided by Morningstar Corporation is accurate.

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Strong R&D Capability and Engineering Excellence application/pdf English 08.02.2013 01
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Whitepaper on Morningstar’s s high-level of innovation, R&D and engineering excellence.

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Tech Support Policy application/pdf English 09.11.2014 01
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TriStar PWM Declaration of Conformity application/pdf English 08.24.2019 03
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Documentation certifying that the TriStar PWM 45, 60, 60M  controllers conform to the European testing requirements

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Tristar-PWM CB Certificate IEC62109-1_2010TUV application/pdf 02.17.2016
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Tristar-PWM CB Certificate for IEC62109-1_2010TUV Compliance

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Warranty Claim Procedure application/pdf English 09.11.2014 01
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Weights and Dims application/pdf English 12.16.2015 02
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PDF file of the packed Weights and Dims of Morningstar products.

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