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How the SCS 500 & 600 Controllers use microprocessors for firmware updates

The SCS 500 and 600 Controllers use SCS_OTA and SCS_DUAL firmware to update two microprocessors.

The two microprocessors inside the SCS 500 and 600 Controller are: 

  • Hi-side micro - responsible for all voltage, power and current monitoring and S1 and S2 switching.  The hi-side microprocessor can be updated by SCS_DUAL firmware but should only be used when controller is exposed to voltage related issues. This code wipes out all existing statistics from the controller.

  • Main micro - responsible for all control algorithms. The main micro microprocessor can be updated by SCS_OTA firmware which is considered to be a standard code and SCS_DUAL firmware which should only be used when controller is exposed to voltage related issues. This code wipes out all existing statistics from the controller.

The diagram below shows a basic representation of both microprocessors on SCS motherboard. 

SCS Controller Motherboard

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