Omron CK3M Series, Hardware User Manual

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HWChangeErr
Register name Sys.HWChangeErr
Description After the save, the hardware configuration was changed.
Range 0 to 1
Details 0: No change in hardware configuration.
1: After the save, the hardware configuration was changed.
Detection timing When power is turned ON or the Controller is reset.
Recovery Cycle the power supply, or issue reset command ($$$)
Effects Operate with default settings.
Cause and cor-
rection Cause (Assumed cause) Correction Prevention
After the save, the Unit
configuration or address
switch was changed. Check the Unit configura-
tion or address switch.
When changing the Unit
configuration or address
switch, change the settings
to match the new configura-
tion, and issue a save com-
mand. If the Unit configura-
tion or address switch has
not changed, implement the
following measures. None
Contamination with conduc-
tive object If there is conductive mate-
rial nearby, blow air through
the Unit. Do not perform any metal
work in the vicinity of the
control panel. Make sure
that the work environment
is free of dirt and dust.
Then close the control pan-
el.
Noise
•
Data corruption in bus
signals
•
Malfunction of bus inter-
face circuit
If the error occurs even af-
ter making the above cor-
rection, check noise entry
paths such as the FG and
the power supply lines and
implement noise counter-
measures as required. Implement noise counter-
measures.
The CPU Unit or the CK3W
Unit has failed If this error persists even
after you make the above
corrections, replace the
CPU Unit or the CK3W
Unit. None
Precautions/
Remarks None
6 Troubleshooting
6-16
CK3M-series Programmable Multi-Axis Controller User's Manual Hardware (O036)