Omron CQM1 - Wiring

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Wiring Section 3-2
3-2 Wiring
Wiring between the B7A Interface Unit, input B7A Link Terminal, and output
B7A Link Terminal sharing a single power supply differs from wiring between
Units using independent power supplies as shown in the following diagrams.
Standard Transmission Delay-time Link Terminal
Single Power Supply
Independent Power Supplies
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.
B7A Interface Unit
B7A Link Terminal
+
12 to 24 VDC
–
–
Transmission distance: 100 m max.
Transmission cable: VCTF 0.75 mm
2
min.
B7A Link Terminal
Terminal screws: M3
Terminal screws: M3.5
B7A Interface Unit
B7A Link Terminal
+
+
+
12 to 24 VDC
12 to 24 VDC
12 to 24 VDC
Transmission distance: 500 m max.
Transmission cable: VCTF 0.75 mm
2
min.
–
–
B7A Link Terminal
Terminal screws: M3
Terminal screws: M3.5