Mitsubishi Electric MELSEC Q Series User Manual page 219

9
TROUBLESHOOTING
(2) For Class3 Tag communication
Check box
Check if the Tag is communicating normally.
Section 7.11 "Monitoring" tab (Network
Diagnostics)
Is the Tag communicating normally?
Application Trigger is set for Trigger,
is the Application Trigger request (Class3/UCMM)
(Un\G27072 to Un\G27087)
Is Target set for Tag type?
Did the other device
receive a normal response from the
EtherNet/IP module?
Is the Input/Output Area refresh
target device setting correct?
Start
Yes
When
turned to on?
Yes
Target
Normal response
Correct
End
Figure 9.5 For Class3 Tag communication
Turn off the Tag communication start request (Y00)
and then execute a PING test.
Section 5.8 PING Test
No
If the PING test failed, check that the IP addresses of
the EtherNet/IP module and other devices are correct.
Turning on the Tag's Application Trigger request
(Class3/UCMM) (Un\G27072 to Un\G27087)
No
sends the request.
Section 3.3.12 Application Trigger
(Class3/UCMM)
Check the Communication Error (Class3/UCMM)
(Un\G27200 to Un\G27215) for a response error.
Section 3.3.15 Communication status
Originator
(Class3/UCMM)
If a response error is identified, check the error code
and take corrective actions.
Section 9.4 Error Code
Error
response
Check the error detail on the device and take
corrective actions.
Check if the refresh target devices are set correctly.
<Checking buffer memory addresses>
Section 3.3.8 Class3/UCMM send/receive
Incorrect
data start address
<Checking auto refresh target devices>
Section 7.9.4 (2) Display and settings of the
"Message Tag" window
9.3 When Tag Communication is Disabled
9.3.2 When the ERR.LED is off
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