Connection Diagrams - Omron NJ501-1400 User Manual

Connection Diagrams

Precautions for Correct Use Precautions for Correct Use
• Confirm that terminals are connected correctly. If connections are incorrect, the internal com-
ponents of the B7A Interface Unit and B7A Link Terminal may be damaged.
• Route the signal lines in separate ducts both inside and outside the control panel to isolate
them from power lines.
• Connect cables at a distance that is within the range given in the specifications.
• Always turn OFF the power to the CPU Unit and all other Units before connecting the commu-
nications cables.
• Always lay communications cables within ducts.
 Standard Mode
• Power Supply on One Side (Common Power Supply)
B7A Interface Unit
• Power Supply on Both Sides (Separate Power Supplies)
B7A Interface Unit
NJ-series CPU Unit Hardware User's Manual (W500)
Transmission distance: 100 m max.
V1
SIG1
G1
V2
SIG2
G2
V3
SIG3
G3
V4
SIG4
G4
V
Transmission cable: VCTF 0.75mm
G
−
+
12 to 24 V DC
12 to 24 V DC
Transmission distance:
V1
500 m max.
SIG1
G1
−
V2
SIG2
G2 SIG
V3
12 to 24 V DC
SIG3 −
G3
V4
SIG4
G4
V
Transmission cable: VCTF 0.75mm
G
−
+
12 to 24 V DC
B7A Link Terminal
B7A Link Terminal
2
min.
+
B7A Link Terminal
+
B7A Link Terminal
2 min.
4 Installation and Wiring
4
4-47