ABB ACS310 User Manual page 216

216 Actual signals and parameters
All parameters
No. Name/Value
3009 BREAK POINT
FREQ
1...250 Hz
3010 STALL
FUNCTION
NOT SEL
FAULT
ALARM
3011 STALL
FREQUENCY
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Description
Defines the load curve together with parameters
LOAD CURVE and 3008 ZERO SPEED
Example: Thermal protection trip times when parameters
3006...3008 have default values.
I = Output current
O
I = Nominal motor current
N
f = Output frequency
O
f
BRK
A = Trip time
I /I
O N
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0 0.2 0.4
Drive output frequency at 100% load
Selects how the drive reacts to a motor stall condition. The
protection wakes up if the drive has operated in a stall
region (see the figure below) longer than the time set by
parameter 3012 STALL
·
0.95 User defined limit
User defined limit =
2003 MAX CURRENT
Protection is inactive.
The drive trips on fault
coasts to stop.
The drive generates alarm
Defines the frequency limit for the stall function. See
parameter 3010 STALL
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LOAD.
= Break point frequency
0.6 0.8 1.0
TIME.
Current (A)
Stall region
MOTOR STALL and the motor
MOTOR STALL.
FUNCTION.
Industry Automation
Def/FbEq
3007 MOT 35 Hz
A
60 s
90 s
180 s 180 s
300 s
600 s
∞
f /f
O BRK
1.2
1 = 1 Hz
NOT SEL
f
Par. 3011
0
1
2
20.0 Hz
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