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ACH550-01 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.
The override feature can be used e.g. in fire situations.
When the 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 enable are active in the AUTO mode, the
drive starts automatically and continues normally after override
mode. In the HAND mode, the drive returns to the 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
The following faults are ignored:
3
DEV OVERTEMP
6
DC UNDERVOLT
7
AI1 LOSS
8
AI2 LOSS
9
MOT OVERTEMP
10
PANEL LOSS
12
MOTOR STALL
14
EXT FAULT 1
15
EXT FAULT 2
18
THERM FAIL
21
CURR MEAS
22
SUPPLY PHASE
24
OVERSPEED
28
SERIAL 1 ERR
29
EFB CON FILE
30
FORCE TRIP
31
EFB 1
Parameter listing and descriptions
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OVERRIDE
217
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