24: REMOTE I/O SYSTEM
24-24 OPENNET CONTROLLER USER’S MANUAL
0C24hex to 0C27hex (RB FAIL) or 0D24hex to 0D27hex (LB FAIL)
0C28hex to 0C2Bhex (RB FAIL) or 0D28hex to 0D2Bhex (LB FAIL)
0C2Chex to 0C2Fhex (RB FAIL) or 0D2Chex to 0D2Fhex (LB FAIL)
0C40hex to 0C43hex (RB FAIL) or 0D40hex to 0D43hex (LB FAIL)
0C44hex to 0C47hex (RB FAIL) or 0D44hex to 0D47hex (LB FAIL)
0C48hex to 0C4Bhex (RB FAIL) or 0D48hex to 0D4Bhex (LB FAIL)
0C4Chex to 0C4Fhex (RB FAIL) or 0D4Chex to 0D4Fhex (LB FAIL)
Meaning
Transmission error (CRC error) in the return data path at the incoming bus interface (IN) of the speci-
fied INTERBUS device.
Cause Transmission errors.
Remedy
Check the segment of the specified INTERBUS device for:
– missing or incorrect shielding of the bus cables (connectors),
– missing or incorrect grounding/equipotential bonding,
– poor connections in the connector (loose contact, dry joint),
– voltage dips on the communication voltage supply of the remote bus devices.
Add_Error_Info Error location (Segment . Position).
Meaning The Medium Attachment Unit (MAU) diagnosed an interruption of the data transmission.
Cause
Interruption in the return data path at the incoming bus interface (IN) of the specified INTERBUS
device.
Remedy
Check the cables, male and female connectors on cables and devices for interruptions and repair
them, if required.
Add_Error_Info Error location (Segment . Position).
Meaning Unexpected change of the RBST or LBST signal.
Cause
Missing or defective bridge (loose contact, dry joint) in the outgoing bus connector of the preceding
INTERBUS device.
Remedy
Check the segment of the specified INTERBUS device for interruptions in the connector (loose con-
tact, dry joint). Solder a bridge or ensure the proper connection of the already existing bridge to gener-
ate an error-free RBST or LBST signal.
Add_Error_Info Error location (Segment . Position).
Meaning
The length code of the specified INTERBUS device is not identical with the entry in the configuration
frame.
Add_Error_Info Error location (Segment . Position).
Meaning
The ID code of the specified INTERBUS device is not identical with the entry in the configuration
frame.
Add_Error_Info Error location (Segment . Position).
Meaning Only ID cycles but no data cycles can be run.
Cause
– The data register of the specified INTERBUS device has been interrupted.
– The number of data registers of the specified INTERBUS is not identical with the length code
entered in the configuration frame.
Add_Error_Info Error location (Segment . Position).
Meaning The specified INTERBUS device has an invalid ID code.
Add_Error_Info Error location (Segment . Position).
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