Actual signals and parameters 255
3017 EARTH FAULT Selects how the drive reacts when an earth (ground) fault is
detected in the motor or the motor cable.
Note: Disabling earth (ground) fault may void the warranty.
ENABLE
DISABLE No action 0
ENABLE The drive trips on fault EARTH FAULT (0016) when the
earth fault is detected during run.
1
START ONLY The drive trips on fault EARTH FAULT (0016) when the
earth fault is detected before run.
2
3018 COMM FAULT
FUNC
Selects how the drive reacts in a fieldbus communication
break. The time delay is defined by parameter 3019 COMM
FA U LT T IM E.
After a start-up, the protection is inactive for 60 seconds.
NOT SEL
NOT SEL Protection is inactive. 0
FAULT Protection is active. The drive trips on fault SERIAL 1 ERR
(0028) and coasts to stop.
1
CONST SP 7 Protection is active. The drive generates alarm IO COMM
(2005) and sets the speed to the value defined by
parameter 1208 CONST SPEED 7.
WARNING! Make sure that it is safe to continue
operation in case of a communication break.
2
LAST SPEED Protection is active. The drive generates alarm IO COMM
(2005) and freezes the speed to the level the drive was
operating at. The speed is determined by the average
speed over the previous 10 seconds.
WARNING! Make sure that it is safe to continue
operation in case of a communication break.
3
3019 COMM FAULT
TIME
Defines the time delay for the fieldbus communication break
supervision. See parameter 3018 COMM FAULT FUNC.
3.0 s
0.0…600.0 s Delay time 1 = 0.1 s
3021 AI1 FAULT
LIMIT
Defines a fault level for analog input AI1. If parameter 3001
AI<MIN FUNCTION is set to FAULT, the drive trips on fault
AI1 LOSS (0007) when the analog input signal falls below
the set level.
Do not set this limit below the level defined by parameter
1301 MINIMUM AI1.
0.0%
0.0…100.0% Value as a percentage of the full signal range 1 = 0.1%
All parameters
No. Name/Value Description Def/FbEq
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