ABB ACS310, User Manual

Page: 150 / 376

150 Program features
User load curve
The user can specify a load curve (motor torque as a function of frequency) for
supervision. The curve is defined by five points. Supervision can be set for the torque
dropping below the underload curve, exceeding the overload curve, or both.
A fault is generated if the torque has been out of the allowed area for longer than the
user-defined time limit. An alarm is generated if the torque has been out of the
allowed area for longer than the half of the user-defined time limit.

Settings

Diagnostics
Parameter Additional information
Group 37 USER LOAD CURVE User load curve settings
Actual signal Additional information
0105 Motor torque
Alarm
USER LOAD CURVE Out of allowed area for longer than half of the defined
time limit
Fault
USER LOAD CURVE Out of allowed area for longer than the defined time
limit
PAR USER LOAD C Incorrect user load curve parameter setting
( 3704 > 3707 or 3707 > 3710 or 3710 > 3713 or 3713 >
3716 or
3705 > 3706 or 3708 > 3709 or 3711 > 3712 or 3714 >
3715 or 3717 > 3718 )
Overload area
Underload area
Allowed operating area
Motor torque (%)
Output
frequency (Hz)
Freq. 2 Freq. 1 Freq. 3 Freq. 4 Freq. 5
Torque
high 1
Torque
high 2
Torque
high 3
Torque
low 1
Torque
low 2
Torque
low 3
Torque
high 4
Torque
low 4
Torque
high 5
Torque
low 5
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