ABB ACS 160 User Manual page 107

Code Description
5205 COMM FAULT FUNC
Communication fault function.
0 =
NOT SEL
No operation.
1 =
FAULT
A fault indication is displayed and the ACS 160 coasts to stop.
2 = 7
CONST SP
A warning indication is displayed and the speed is set according to parameter 1208
3 =
LAST SPEED
A warning indication is displayed and the speed is set to the level the ACS 160 was last operating at. This
value is determined by the average speed over the last 10 seconds.
Caution: If you select
communication is lost.
5206 BAD MESSAGES
This diagnostics counter increases by one every time the ACS 160 finds any kind of communication error.
During normal operation, this counter hardly ever increases.
5207 GOOD MESSAGES
This diagnostics counter increases by one every time a valid Modbus message has been received by the
ACS 160. During normal operation, this counter is increasing constantly.
5208 BUFFER OVERRUNS
Longest possible message length for the ACS 160 is 32 bytes. If a message exceeding 32 bytes is received,
this diagnostic counter increases by one every time a character which cannot be placed in the buffer is
received.
5209 FRAME ERRORS
This diagnostic counter increases by one every time when a character with a framing error is received from
the bus.
• Communication speed settings of the devices connected in the bus differ.
• Ambient noise levels may be too high.
5210 PARITY ERRORS
This diagnostic counter increases by one every time when a character with a parity error is received from the
bus.
• Parity settings of the devices connected on the bus differ.
• Ambient noise levels may be too high.
5211 CRC ERRORS
This diagnostic counter increases by one every time when a message with a CRC error is received.
• Ambient noise levels may be too high.
• CRC calculation is not performed correctly.
5212 BUSY ERRORS
This diagnostic counter increases by one every time the ACS 160 receives a character from the bus while it
is still processing the previous message.
• There might be two stations with the same station number.
• Ambient noise levels may be too high.
5213 SER FAULT MEM 1
Last Modbus exception code sent.
5214 SER FAULT MEM 2
Previous Modbus exception code sent.
5215 SER FAULT MEM 3
Oldest Modbus exception code sent.
ACS 160 User's Manual
7 or
CONST SPEED LAST SPEED
, make sure that it is safe to continue operation in case
7.
CONST SPEED
97