Mitsubishi QJ71C24/-R2 User Manual page 294
Melsec system q programmable logic controllers, serial communication modules gx configurator-sc
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Also See for QJ71C24/-R2:
- Reference manual (532 pages) ,
- User manual (442 pages) ,
- User manual (396 pages)
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10 TROUBLESHOOTING
10.3.20 Troubleshooting when the "ERR" LED is lit
Circumstance
• A communication error has occurred.
• "ERR" LED is lit
• Switch settings of the Q series C24 are
10 - 43
Cause
incorrect.
Corrective action
• Check the error and remove the cause
according to Section 10.1.1.
• Review the switch settings of the Q series
C24.
MELSEC-Q
Non
Bidirection
MC
procedure
al protocol
protocol
10 - 43
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