Limits - ABB ACS850 Firmware Manual

120 Parameters
No. Name/Value
19.09 Speed TripMargin
0.0 ... 10000.0 rpm
19.10 Speed window
0 ... 30000 rpm
20

20 Limits

20.01 Maximum speed
0 ... 30000 rpm
20.02 Minimum speed
-30000 ... 0 rpm
Description
Defines, together with 20.01 Maximum speed
Minimum speed, the maximum allowed speed of the motor
(overspeed protection). If actual speed
rpm) exceeds the speed limit defined by parameter
20.02 by more than the value of this parameter, the drive trips
on the OVERSPEED fault.
Example: If the maximum speed is 1420 rpm and speed trip
margin is 300 rpm, the drive trips at 1720 rpm.
Speed
Speed trip margin
Speed trip margin
Overspeed trip margin.
Defines the absolute value for the motor speed window
supervision, i.e. the absolute value for the difference between
the actual speed and the unramped speed reference
Motor speed rpm - 03.03 SpeedRef
speed is within the limits defined by this parameter, signal
02.24 FBA main sw bit 8 (AT_SETPOINT) is 1. If the motor
speed is not within the defined limits, bit 8 is 0.
Absolute value for motor speed window supervision.
Drive operation limits. See also section
tuning on page 44.
Defines the allowed maximum speed.
Maximum speed.
Defines the allowed minimum speed.
Minimum speed.
and 20.02
(01.01 Motor speed
20.01 or
20.01
Time
20.02
(01.01
unramp). When the motor
Speed controller
FbEq
10 = 1 rpm
1 = 1 rpm
1 = 1 rpm
1 = 1 rpm