Omron GRT1 - 11-2007 Operation Manual page 91

Digital I/O Units
GRT1-OD4-1 (PNP)
GRT1-OD4G-1 (PNP)
70
Base block
Internal circuits
Internal circuits
Base block
Internal circuits
Internal circuits
Main block
I/O LED
Voltage
step-down
Main block
Short-
I/O LED
circuit
detection
Voltage
step-down
Section 4-6
Terminal block
0
NC
G
3
NC
G
Terminal block
0
V
G
3
V
G