FP2/FP2SHInstallation and Wiring
4 − 16
4.2 Power Supply Wiring
Example of suitable pressure connection terminal
Manufacturer Shape Part number Suitable wire
JST Mfg. Co., Ltd. Round type 2−N3A 1.04 to 2.63mm
2
Fork type 2−MS3
Use wire that is thicker than 2mm
2
.
Power supply system
Use separate wiring systems for the FP2/FP2SH power supply unit output devices and
motorized devices.
Motorized
device
I/O device
Insulated
transformer
Breaker
PLC
Note
Use the same power supply system for the expansion backplane
and CPU backplane so that they are turned on and off simulta-
neously.
Power
suplly
unit
Power
suplly
unit
Simultaneous on and off
via the same power sup-
ply system.
CPU backplane
Expansion backplane
Eliminating effects from noise
Use a low noise power supply
There is sufficient noise resistance for superimposed noise in the power supply wiring,
however using an insulated transformer is recommended for further noise protection.
Twist the power supply wire to minimize the effects of noise.
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