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Troubleshooting with the DeviceNet Unit Indicators Section 9-1
Correction
Inspect the slave and then create the scan list again.
Verification Error:
I/O Size Mismatch
Likely Cause
The slave’s I/O data size does not match the registered scan list. (Occurs with
the scan list enabled.)
DeviceNet Unit Response
Records the error in the error log.
The master will periodically attempt to reconnect with the slave with the verifi-
cation error.
Flags Allocated for C200H DeviceNet Master Unit (CIO n+24)
Bit 14 (Error Flag) and bit 07 (Comparison Error Flag) will be ON.
CIO Area Flags Allocated to DeviceNet Unit
Bit 00 of n+12 (Comparison Error Flag) and bits 00 and 01 of n+10 (Unit Error
Flag and Master Function Error Flag) will be ON.
Correction
Inspect the slave and then create the scan list again.
Verification Error:
Illegal Device
Likely Cause
The Configurator is set to check the device type and the slave’s device type
does not match the registered scan list. (Occurs with the scan list enabled.)
DeviceNet Unit Response
Records the error in the error log.
The master will periodically attempt to reconnect with the slave with the verifi-
cation error.
Flags Allocated for C200H DeviceNet Master Unit (CIO n+24)
Bit 14 (Error Flag) and bit 07 (Comparison Error Flag) will be ON.
CIO Area Flags Allocated to DeviceNet Unit
Bit 00 of n+12 (Comparison Error Flag) and bits 00 and 01 of n+10 (Unit Error
Flag and Master Function Error Flag) will be ON.
Correction
Inspect the slave and then create the scan list again.
Verification Error:
Illegal Product Code
Likely Cause
The Configurator is set to check the product code and the slave’s product
code does not match the registered scan list. (Occurs with the scan list
enabled.)
7-segment MS indicator NS indicator Error log (Hex)
d6 --- Red (flashing) 0344
7-segment MS indicator NS indicator Error log (Hex)
d6 --- Red (flashing) 0344
7-segment MS indicator NS indicator Error log (Hex)
d6 --- Red (flashing) 0344