Left side
Right side
Solenoid valve, etc. Solenoid valve, etc.
15
V
G15
1
V
G1
0
V
G0
V
G
−+
NC NCNC
V
G
15
V
G
1
V
G
0
V
G
V
G
−+
NC
V
G
Blue (black)
Brown (white)
2-wire sensor
(e.g., limit switch)
Black (white)
Brown (red)
Blue (black)
3-wire sensor with NPN output
(photoelectric or proximity sensor)
Left side
Right side
Solenoid valve, etc. Solenoid valve, etc.
15
V15
G
1
V1
G
0
V0
G
V
G
−+
NC NCNC
V
G
15
V
G
1
V
G
0
V
G
V
G
−+
NC
V
G
Blue (black)
Brown (white)
2-wire sensor
(e.g., limit switch)
Black (white)
Brown (red)
Blue (black)
3-wire sensor with NPN output
(photoelectric or proximity sensor)
Left side
Right side
Solenoid valve, etc. Solenoid valve, etc.