Model PCM4 accepts a grounded or floating, bipolar, DC signal
input and generates a proportional floating output voltage. The
output of the PCM4 follows the variations of its input: it increases
as the signal increases and decreases as the signal decreases.
This output can be supplied to the speed setting circuit of a motor
drive to rotate the motor at a speed proportional to the signal
input. Because the PCM4 can follow bipolar input voltage
signals, it can drive a regenerative variable speed drive through
the complete range of motor speeds in both forward and reverse
directions.
This manual contains specifications, installation procedures,
connections, and calibration procedures for the process control
module, model PCM4. Refer to your variable speed drive user’s
manual for additional installation, operation, and troubleshooting
procedures.
3
Introduction
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