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User and Programming Manual - Rev H
California Instruments
P Series
May 2000
23
This module has pulse by pulse peak current limit and sinusoidal average current limiting to
protect the power transistor and load.
5.7 RS232 Board
This board assembly has the RS232 transceivers. It also has optocouplers for interface
isolation. The RS232 assembly is optional on the 1001P/1251P and may not be installed in
your unit.