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Message explanations
385585/C
A-65
RIO: Power B failure (restart required)
Description:
The RIO module has detected power failure on RBUS B, and within an operational
sequence that in this case will lead to lost communication.
Possible
consequences:
The RIO module has probably stopped working altogether.
Corrective
actions:
Check RBUS B power/cabling. Try to restart the RIO module.
If this does not help, replace the module.
RIO: Probable short-circuit
Description:
There is probably a short circuit between two field terminals or cables.
Possible
consequences:
The device connected to the actual channel might not operate as intended. If
signal is input, value is frozen to last valid input as long as alarm is active.
Corrective
actions:
Check physical loop/cabling.
RIO: RBUS cables are crossed
Description:
An erroneous connection is done so that cables for RBUS A and RBUS B have been
crossed.
Possible
consequences:
No immediate functional consequences.
Corrective
actions:
Check physical loop/cabling.
RIO: Relay or relay driver fault
Description:
Internal self test of relay drivers have failed.
Possible
consequences:
The RIO module probably needs to be repaired.
Corrective
actions:
Check physical loop/cabling. Replace RIO module.
RIO: Reversed polarity
Description:
The measurements on the loop terminal connections for the actual channel
indicate that the terminals have been swapped or otherwise erroneously
connected.
Possible
The IO value on the actual channel will not be correct.
Summary of Contents for cJoy OT
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