ABB ACS800 Series Firmware Manual page 107

No. Name/Value
30.10 STALL FUNCTION
NO
WARNING
FAULT
30.11 STALL FREQ HI
0.5...50.0 Hz
30.12 STALL TIME
10.00...400.00 s
30.13 UNDERLOAD FUNC
NO
WARNING
FAULT
30.14 UNDERLOAD TIME
0...600 s
Description
Selects how the drive reacts to a motor stall condition. The protection
wakes up if:
- the drive is at stall limit (defined by
20.13 MIN TORQ SEL and
- the output frequency is below the level set by
and
- the conditions above have been valid longer than the time set by
30.12 STALL TIME.
See section Stall Protection
Protection is invalid.
The drive generates a warning. The indication disappears in half of the
time set by 30.12 STALL TIME.
The drive trips on a fault.
Defines the frequency limit for the stall function. See
FUNCTION.
Stall frequency
Defines the time for the stall function. See
Stall time
Selects how the drive reacts to underload. The protection wakes up if:
- the motor torque falls below the curve selected by
30.15 UNDERLOAD CURVE,
- output frequency is higher than 10% of the nominal motor frequency
and
- the above conditions have been valid longer than the time set by
30.14 UNDERLOAD TIME.
See section Underload Protection
Protection is inactive.
The drive generates a warning.
The drive trips upon a fault.
Time limit for the underload function. See
Underload time
20.03 MAXIMUM CURRENT,
20.14 MAX TORQ SEL)
30.11 STALL FREQ HI
on page 39.
30.10
30.10 STALL FUNCTION.
on page 39.
30.13 UNDERLOAD FUNC.
Actual signals and parameters
95
FbEq
1
2
3
STALL
100 = 1 Hz
1 = 1 s
1
2
3
1 = 1 s