Panasonic FP0R User Manual page 69

Isolation of power supply systems
Power supply sequence
FP0R User's Manual
Insulate the wiring systems to the CPU, input/output devices, and mechan-
ical power apparatus.
Mechanical power apparatus
Input/output devices
CPU
Q Circuit breaker
W Insulated DC power supply
 Make sure the power supply of the CPU turns off before the power sup-
ply for input and output. If the power supply for input and output is
turned off first, the CPU will detect the input fluctuations and may begin
an unexpected operation.
Be sure to supply power to a CPU and an expansion unit from the same

power supply, and turn the power on and off simultaneously for both.
Installation and wiring
69