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TROUBLESHOOTING
D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
1-58 August 9, 2005
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ERROR CODE D4502 FIELD-BUS-INIT) Error Reply. XX
At fieldbus start-up, a mismatch in length of I/O data with the node at the end of the
connection is detected when a message is sent to the fieldbus I/F card, or maximum
I/O data length is exceeded.
⇒
Check the I/F card LED display. Match the I/O data length with the master
.
⇒
Ensure I/O data length is within length specified for the fieldbus I/F card.
⇒
Cycle controller power OFF and ON.
⇒
Replace fieldbus cable.
⇒
If this error recurs, contact KRI Customer Service (include sub-code XX)
.
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ERROR CODE D4503 FIELD-BUS-INIT) Reply timeout XX.
At fieldbus start-up, no response is detected due to defective hardware or incorrect
settings during I/F board initialization.
⇒
Check the I/F card LED display
.
⇒
Ensure the master and slave I/O data length match.
⇒
Cycle controller power OFF and ON.
⇒
Replace the fieldbus cable.
⇒
If this error recurs, contact KRI Customer Service (include sub-code XX)
.
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ERROR CODE D4504 ANYBUS) OUT/FB.CTRL request timeout. XX
Reading input signal area access is requested but denied due to hardware problem.
⇒
Check the I/F card LED display and reset the error
.
⇒
If this error cannot be reset, contact KRI Customer Service (include sub-code XX).
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