ABB DriveIT ACH550-01 User Manual page 217

ACH550 User's Manual
Group 17:Override
This group defines the source for the override activation signal,
the override speed/ frequency and pass code and how the
override is enabled and disabled.
When override DI is activated, the drive stops and then
accelerates to the preset speed or frequency. When the DI is
deactivated the drive stops and reboots. If the start command,
run enable and start enables are active in the AUTO mode the
drive starts automatically and continues normally after override
mode. In the HAND mode the drive returns to OFF mode.
When override is active:
• Drive runs at preset speed
• Drive ignores all keypad commands
• Drive ignores all commands from communication links
• Drive ignores all digital inputs except override activation/
deactivation, RUN ENABLE and START ENABLE
• Drive displays alarm message "2020
Following faults are ignored:
3
5
6
7
8
9
10
12
14
15
17
18
21
22
Parameter listing and descriptions
DEVICE OVERTEMP
OVERLOAD
DC UNDERVOLT
AI1 LOSS
AI2 LOSS
MOTOR TEMP
PANEL LOSS
MOTOR STALL
EXTERNAL FLT 1
EXTERNAL FLT 2
UNDERLOAD
THERM FAIL
CURR MEAS
SUPPLY PHASE
"
OVERRIDE MODE
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