When a battery bank has been discharged abnormally low, select Morningstar controllers will provide this function to keep the batteries at the Absorption voltage longer than usual during the next charging cycle. This helps reverse any negative effects of the previous abnormally low discharge.

Traditional PWM vs Morningstar’s TrakStar™ MPPT Technology

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Tech Support Policy

TriStar MPPT Processor A Firmware Update

v32b Firmware and above addresses EEprom access bugfix causing watchdog trip and subsequent lowside FET turn on.  This issue is generally limited to Controllers installed in applications utilizing all, or most, of the following items in the design.  -High I/O of Communications, -Read/Write of vb_ref register (0x0033), -Read/Write of ib_ref register (0x0058), -Write of battery current limit (0xE01D), -Coil command restart of controller, -48V Systems, -Oversized Arrays.  The following link provides instructions on updating firmware:   https://www.youtube.com/watch?v=J6Duwr5Tl-w&t=10s

 

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