Chapter 11 Installation and Wiring
11-9
11. 2 Wiring
Here describes the items to know related to the wiring, in case of using the system.
11.2.1 Power Wiring
1) In case that the power change is larger than the range of standard, connect the voltage regulated
transformer.
2) Connect the power having the small noise between cables or between earths.
(In case of having lots of noise, connect the insulation transformer.)
3)
For PLC power, I/O machine and power machine, divide the system as below.
Power
CPU
AC power
Constant
Voltage
transformer
AC power
100V~240V
Power
CPU
AC220V
Main power
Constant
Voltage
transformer
PLC power
Main circuit equipment
I/O power