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9 Troubleshooting and Maintenance
9-2
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
9-1
Troubleshooting with the DeviceNet
Unit Indicators
9-1-1
Determining Operating Status from the Indicators
Indicator status
Network/Unit status
Comments
MS
NS
7-segment
OFF
OFF
OFF
Initializing with CPU Unit
Initialization processing with the CPU Unit is in
progress.
Restart the DeviceNet Unit if this status continues
for an extended period of time. Replace the CPU
Unit and/or DeviceNet Unit if the problem is not
corrected by restarting.
ON
(green)
OFF
Master's node
address
(flashing)
Checking for node address
duplication
The node address duplication check is performed
after initialization.
ON
(green)
Flash-
ing
(green)
Master's node
address
(flashing)
Waiting for remote I/O com-
munications
The Unit will have this status until remote I/O com-
munications are performed with the master or
slave function. (When both functions are operat-
ing, the Unit will have this status until remote I/O
communications are performed with either func-
tion.)
Master's node
address
Waiting for message commu-
nications connection
The Unit will have this status when both the master
and slave functions are disabled and the Unit is
waiting for a connection by message communica-
tions.
ON
(green)
ON
(green)
Master's node
address
Remote I/O or message com-
munications in progress.
This is the normal display when the master and/or
slave is active.
ON
(green)
ON
(green)
- - (flashing)
Scan list operation in
progress.
The scan list is being saved in flash memory or the
scan list is being cleared.
Содержание CJ1W-DRM21
Страница 12: ...Manual Structure 10 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Страница 42: ...Revision History 40 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Страница 214: ...6 Message Communications 6 26 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Страница 345: ...Index 1 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 I Index ...
Страница 349: ......