ACH550-UH User’s Manual
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Fieldbus adapter
Scaling
To scale the drive parameter values see the
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
starting on
page
for a complete description.
•
Parameters 0401
LAST
FAULT
, 0402
PREVIOUS
FAULT
1 and 0403
PREVIOUS
FAULT
2
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
Summary of Contents for ACH550-UH HVAC
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