ACH550-UH User’s Manual 1-267
Fieldbus adapter
Scaling
To scale the drive parameter values see the Actual value scaling in the following
sections, as appropriate:
• ABB drives profile technical data
• Generic profile technical data
Diagnostics – FBA
Fault handling
The ACH550 provides fault information as follows:
• The control panel display shows a fault code and text. See Diagnostics starting on
page 1-279 for a complete description.
• Parameters 0401
LAST FAULT, 0402 PREVIOUS FAULT1 and 0403 PREVIOUS FAULT2
store the most recent faults.
• For fieldbus access, the drive reports faults as a hexadecimal value, assigned
and coded according to the DRIVECOM specification. See table below. Not all
profiles support requesting fault codes using this specification. For profiles that
support this specification, the profile documentation defines the proper fault
request process.
Drive Fault Code
Fieldbus Fault Code
(DRIVECOM specification)
1 OVERCURRENT 2310h
2 DC OVERVOLT 3210h
3 DEV OVERTEMP 4210h
4 SHORT CIRC 2340h
5 Reserved FF6Bh
6 DC UNDERVOLT 3220h
7 AI1 LOSS 8110h
8 AI2 LOSS 8110h
9 MOT TEMP 4310h
10 PANEL LOSS 5300h
11 ID RUN FAIL FF84h
12 MOTOR STALL 7121h
14 EXTERNAL FLT 1 9000h
15 EXTERNAL FLT 2 9001h
16 EARTH FAULT 2330h
17 UNDERLOAD FF6Ah
18 THERM FAIL 5210h
19 OPEX LINK 7500h
20 OPEX PWR 5414h
21 CURR MEAS 2211h
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