Omron CQM1 User Manual

61
Troubleshooting Appendix B
61
Note Indicators shown with “**” differ from normal status.
Errors Master Expansion
Master
RDY T/R
RDY
T/R END NODE ALM RDY T/R
I/O word setting error
I/O unit overflow
Defective CQM1H/CQM1 unit connection
No end cover CQM1H/CQM1 initial check NG
X* –– –– –– –– –– X ––
Master unit error ––XXXXX––––
Slave set between #28 and #30. ❍ X** ▲❍** ❍**(X) –– ❍❍**
Incorrect transmission path setting. ❍ X** ▲❍** X –– ❍❍**
Terminator not turned on. ❍ X** ▲❍** X –– ❍❍**
Duplicate terminator setting. ❍ X** ▲▲** X –– ❍❍**
Duplicate Expansion Master Unit #.
Slave address setting error
❍
❍
X**
❍
▲
▲
❍**
X
X**
▲
–– ❍
❍
❍**
▲
Transmission path shorted/discontinuity ❍ X** ❍** X –– –– ❍❍**(▲)
Slave power off/CPU out of control ❍ X** ❍** X –– –– ❍ X**
Output error from Slave with error detection function. ❍❍▲XX❍** ❍▲

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