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5277A
0BF4 Transmission error (CRC error) in the forward data path at the in-
coming bus interface (IN) of the specified device.
Compare the bus topology with the current con-
figuration. If they match, check the segment for:
Shielding of bus cables or connectors, ground-
ing/equipotential bonding, defective connectors
or soldered joints, voltage dips on the communi-
cation voltage supply of the remote bus device.
0BF5 Transmission error (CRC error) in the return data path at the incom-
ing bus interface (IN) of the specified device.
E1 No configuration error, but short interruption during the transmis-
sion of ID cycles due to installation errors or a defective device (ID
register).
Check the system for: Shielding of bus cables or
connectors, grounding/equipotential bonding,
voltage dips on the logic voltage supply of remote
bus devices.
E2 Further operation of the bus is not possible due to configuration changes. The maximum number of INTERBUS words
or devices was exceeded.
E3 Reserved.
E4 The bus configuration could not be read in. The power supply of the
electronics of one or serveral devices is interrupted.
Check the system for voltage dips in the power
supply of remote bus devices.
E5 Reserved.
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