Omron CQM1 User Manual

21
Connections to B7A Link Terminals Section 3-1
CQM1-B7A03
CQM1-B7A12
CQM1-B7A02
Connectors Crimp connectors for I/O Unit wiring should be less than 6.2 mm wide (M3),
and the wire should be AWG22 to 18 (0.3 to 0.75 mm
2)
.
Terminal screws should be tightened with a torque of 0.5 N • m.
!Caution Forked crimp connectors are required by UL and CSA standards.
Unused
Connect to the SIG terminal of
the output B7A Link terminal.
Connect to the negative power supply ter-
minal of the output B7A Link Terminal.
Connect to the SIG terminal of
the output B7A Link Terminal.
Connect to the negative power supply ter-
minal of the output B7A Link Terminal.
A
0
A
1
A
2
A
3
B
0
B
1
B
2
B
3
Word m
Word m + 1
Unused
Connect to the SIG terminal of
the input B7A Link terminal.
Connect to the negative power supply ter-
minal of the input B7A Link Terminal.
A
0
A
1
A
2
A
3
B
0
B
1
B
2
B
3
Word n
Unused
Unused
Connect to the SIG terminal of
the output B7A Link terminal.
Connect to the negative power supply ter-
minal of the output B7A Link Terminal.
A
0
A
1
A
2
A
3
B
0
B
1
B
2
B
3
Word m
Unused
6.2 mm max.
6.2 mm max.

Omron CQM1 Specifications

General

Model	CQM1
I/O Capacity	Up to 256 I/O points
Programming Language	Ladder Logic
Timer/Counter	128 timers/counters
Operating Temperature	0 to 55°C
Humidity	10 to 90% RH (non-condensing)
Power Supply	24 VDC or 100-240 VAC
Communication Ports	RS-232C
Memory Capacity	3.2K words
Instruction Set	Basic and advanced instructions
Memory	RAM (battery-backed)
Program Memory	3.2K words
Storage Temperature	-20 to 75°C