The rear interface consists of two DB37 connectors and three types of 12V power supply connectors. Among the two DB37 connectors, one is for sending encoder signal to the simulator and the other one receives the PWM pulses from the simulator. There are three types of terminals for 12 V input, out of which only one of them should be connected.
Top view of the OP8219 interface showing the rear interface and its descriptions.
The top view of the OP8219 interface board also shows the jumper locations. The jumpers if connected, the inverter signals are not inverted when sent to the LabVolt inverters. The jumpers must always be connected.
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