Omron CQM1H - 08-2005, Operation Manual

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Appendix B
Troubleshooting
57
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 –– X X X X X –– ––
Slave set between #28 and #30.
f
X**
Y f
**
f
**(X) ––
f f
**
Incorrect transmission path setting.
f
X**
Y f
** X ––
f f
**
Terminator not turned on.
f
X**
Y f
** X ––
f f
**
Duplicate terminator setting.
f
X**
Y Y
** X ––
f f
**
Duplicate Expansion Master Unit #.
Slave address setting error
f
f
X**
f
Y
Y
f
**
X
X**
Y
––
f
f
f
**
Y
Transmission path shorted/discontinuity
f
X**
f
** X –– ––
f f
**(
Y
)
Slave power off/CPU out of control
f
X**
f
** X –– ––
f
X**
Output error from Slave with error detection function.
f f Y
X X
f
**
f Y
Note Indicators shown with “**” differ from normal status.