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model 3000 DeviceNet Module Manual (DN311/DN311A)
Chapter 7 Troubleshooting
7
(3) Operation mode control request
Figure 7-5 Operation Mode Control Request Check Items
START
Is the operation mode con-
trol request executed?
Yes
Yes
No
No
Execute the operation mode control
request. (See 4.3.5.)
See how to use semaphore area in 4.2.4.
Is the operation mode con-
trol request completed?
Remove the cause of trouble
based on completion status.
END
Yes
No
Serial number in the DN311 is destroyed.
Replace the module.
Is completion status other than
"serial number unregistered"?
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