Embedded Fieldbus Faults - ABB ACS355 series User Manual

Embedded fieldbus faults

Embedded fieldbus faults can be traced by monitoring group
parameters. See also fault/alarm

No master device
If there is no master device on line, parameter
EFB CRC ERRORS
What to do:
• Check that the network master is connected and properly configured.
• Check the cable connection.

Same device address
If two or more devices have the same address, parameter
value increases with every read/write command.
What to do:
• Check the device addresses. No two devices on line may have the same address.

Incorrect wiring
If the communication wires are swapped (terminal A on one device is connected to
terminal B on another device), parameter
unchanged and parameter
What to do:
Check the RS-232/EIA-485 interface connection.
SERIAL 1 ERR
values remain unchanged.
5307 EFB CRC ERRORS
(0028).
5306 EFB OK MESSAGES
5307 EFB CRC ERRORS
5306 EFB OK MESSAGESS value remains
increases.
Fault tracing 367
53 EFB PROTOCOL
and 5307