LG C Series - Manual (Page 21)

Chapter 3. Wiring
3.4 PNP/NPN selection and connector for communication option
CM
FX
24X 24I
CM
CM
Resistor
Resistor
Resistor
CPU
S4
1. When using P24
[NPN]
CM
FX
24X 24I
CM
CM
Resistor
Resistor
Resistor
CPU
S4
2. When using 24V
external power
supply [PNP]
2. Communication Option
Card Connector: Install
Communication option card
here.
Note: MODBUS RTU option card is available for C series. Refer to C series MODBUS RTU option manual for
more details.
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