Car Top board is installed on car top. It mainly achieve car door information collection & load weigh collection & door control output. Car Top board and Car Command board are connected by DB9 cable. Car Top board can only connect to main Car Command board, and also can connect to both main Car Command board and sub Car Command board.
Through DIP switch SW1 on Car Top board, you can select functions. First, power off, set DIP switch as requirement, then power on and Car Top board will enter program with corresponding function.
While actual operation, select function according to actual configuration (with or without sub Car Command board).