Mitsubishi Electric MELSEC Q Series User Manual page 41

3
SPECIFICATIONS
Item
Checking in Utility Package
Checking in buffer memory
POINT
3.2.2 Tag communication start request (Y00), Tag communication start process completion (X00)
(d) When a Tag communication fails to start, the Tag communication start process
completion (X00) is turned on and the ERR. LED flashes.
Check the error code in any of the following areas and take corrective actions.
Table 3.5 Corrective actions for Tag communication start failure
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Check the error on the Main
( Section 7.6 "Main" Tab (Module Status Display))
Check the error code in any of the following areas and take corrective actions.
( Section 9.4 Error Code)
•Own station error status (Un\G27264)
•Class1 Diagnostics Information (Un\G27392 to Un\G27647)
•Class3/UCMM Diagnostics Information (Un\G27648 to Un\G27903)
(e) Check that the Tag communication start process completion (X00) is on, and then
turn off the Tag communication start request (Y00).
The following signals turn off and the Tag communication stops.
• Tag communication start process completion (X00)
• Own station error (X0E)
Subsequently, the following buffer memory areas are cleared.
• Class1 send/receive data start address (Un\G25856 to Un\G26367)
• Class3/UCMM send/receive data start address (Un\G26368 to Un\G26879)
• Communication status (Class1)(Un\G27136 to Un\G27183)
• Communication status (Class3/UCMM)(Un\G27184 to Un\G27231)
By using the Tag com. continue setting (Un\G16634), Tag communication can be
continued when the Tag communication start request (Y00) is turned off.
( Section 3.3.6 Tag communication continue setting)
Action
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tab and take corrective actions.
3.2 I/O Signals for the QCPU
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