Wiring
FP0
7-6
Matsushita Automation Controls
7.2 Wiring the Power Supply to the Control Unit
D
Isolate the wiring systems to the FP0, input/output devices,
and motor devices.
FP0
I/O
devices
Motor
devices
Circuit breaker
Insulated
DC
power
supply
Insulated
DC
power
supply
D
The power supply sequence should be set up so that power to
the control unit is turned OFF before the input/output power
supplies.
D
If the input/output power supplies are turned OFF before the
power to the control unit, the FP0 control unit may detect a
drop in the input level, and malfunction.
D
Be sure to supply power to a control unit and an expansion
unit from the same power supply, and turn the power ON and
OFF simultaneously for both.
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