0-56921-601

About the 0-56921-601

The 0-56921-601 is a PC Regulator Board. It was created to go into a Reliance Electric GV3000/SE drive controller. There is a good chance that this board was also sold by ABB and Baldor Reliance under their specific product lines.

The 0-56921-601 is the sixth version of this board from Reliance and it is meant to be a replacement board. This board has the ability to be placed on a wide range of controllers ranging from 1-200HP and 230/460VAC.

This board is typically mounted below the keypad into a bracket on the controller. There is a green-striped ribbon cable that plugs into the board that is located on the right side of the drive and another ribbon cable that plugs into the current feedback board. When you are swapping out an old regulator for this board, it is important to make a notation of the jumper settings so that you can use those same settings on the new board. When you slide the board into the mounting bracket, it is necessary for you to position the 7-segment LED display on the regulator board into the display window on the keypad. Once it is in the proper location, you can then use the fasteners from the old board to secure the new board into place.

The main components on this board are the 7-segment user display, a 26-pin ribbon cable connection, a 37-pin ribbon cable connection, the J17 and J14 jumpers, a user I/O terminal strip, and an RS-232 connection. Because of all of the sensitive circuitry in the controller, it is important to always wear an anti-static wristband.