Omron CQM1 User Manual

13
Nomenclature Section 2-1
CQM1-B7A13
Front View
Indicators
Indicators (see following table)
B7A Link Terminal connection terminals 1
For connection of a 16-point Input B7A Link Terminal.
Inputs least-significant word (n) data.
External power terminals
Required for transmission with the B7A Link Terminal. Con-
nect a 12- to 24-VDC power supply.
Terminal screws: M3
(Optimum tightening torque: 0.5 N • m)
B7A Link Terminal connection terminals 2
For connection of a 16-point Input B7A Link Terminal.
Inputs most-significant word (n+1) data.
Name Color Function
RDY Unit ready Green Lit while the CQM1H/CQM1 is supplied with
power.
3ms Transmission
delay time
Orange Lit while transmission delay time is set to
RAPID (3 ms). Not lit when set to STAN-
DARD (19.2 ms).
LOAD
OFF
Transmission
error
processing
Orange Lit while transmission error processing is
set to LOAD OFF. Not lit when set to HOLD.
15IN+ERR Input mode Orange Lit while input mode is set to 15IN+ERR.
Not lit when set to 16IN.
ERR1 Input 1
transmission
error
Red Lit when normal transmission with the Input
B7A Link Terminal connected to connection
terminals 1 is not possible or when no Input
B7A Link Terminal is connected.
ERR2 Input 2
transmission
error
Red Lit when normal transmission with the Input
B7A Link Terminal connected to connection
terminals 2 is not possible or when no Input
B7A Link Terminal is connected.

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