Omron CQM1 Operation Manual page 42

Wiring
Rapid Transmission Delay-time Link Terminal
Single Power Supply
B7A Interface Unit
Terminal screws: M3
–
+
12 to 24 VDC
Independent Power Supplies
B7A Interface Unit
Terminal screws: M3
–
+
12 to 24 VDC
3. Locate transmission cables away from power cables and high-voltage ca-
bles to eliminate the effects of noise.
Transmission distance:
50 m max.
–
Ground
Transmission cable:
shielded, 0.75 mm
Ground
Transmission distance:
50 m max.
–
Ground
Transmission cable:
shielded, 0.75 mm
Ground
Note 1. The transmission distance depends on the type of wiring used.
2. The size of terminal screw differs for the B7A Interface Unit and B7A Link
Terminal. Consider the size of the terminal screws when using crimped ter-
minals.
3. It is recommend that the shield wire be grounded.
Terminal screws: M3.5
Shielded cable:
2
0.75 mm min.
2
min.
Terminal screws: M3.5
12 to 24 VDC
Shielded cable:
2
0.75 mm min.
12 to 24 VDC
2
min.
Section 3-2
B7A Link Terminal
B7A Link Terminal
+
B7A Link Terminal
+
B7A Link Terminal
23