Group 37: User Load Curve - ABB ACS550 User Manual

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Group 37: USER LOAD CURVE

This group defines supervision of user adjustable load curves (motor torque as a
function of frequency). The curve is defined by five points.
Code Description
3701 USER LOAD C MODE
Supervision mode for the user adjustable load
curves.
This functionality replaces the former underload
supervision in Group 30: FAULT
emulate it, see section
obsolete underload supervision
0 = – Supervision is not active.
NOT SEL
1 = – Supervision for the torque
UNDERLOAD
dropping below the underload curve.
2 = – Supervision for the torque
OVERLOAD
exceeding the overload curve.
3 = – Supervision for the torque dropping
BOTH
below the underload curve or exceeding the
overload curve.
3702 USER LOAD C FUNC
Action wanted during load supervision.
1 = – A fault is generated when the condition defined by 3701
FAULT
the time set by 3703
2 = – An alarm is generated when the condition defined by 3701
ALARM
half of the time defined by 3703
3703 USER LOAD C TIME
Defines the time limit for generating a fault.
• Half of this time is used as the limit for generating an alarm.
3704 LOAD FREQ 1
Defines the frequency value of the first load curve definition point.
• Must be smaller than 3707
3705 LOAD TORQ LOW 1
Defines the torque value of the first underload curve definition point.
• Must be smaller than 3706
3706 LOAD TORQ HIGH 1
Defines the torque value of the first overload curve definition point.
3707 LOAD FREQ 2
Defines the frequency value of the second load curve definition point.
• Must be smaller than 3710
3708 LOAD TORQ LOW 2
Defines the torque value of the second underload curve definition point.
• Must be smaller than 3709
3709 LOAD TORQ HIGH 2
Defines the torque value of the second overload curve definition point.
3710 LOAD FREQ 3
Defines the frequency value of the third load curve definition point.
• Must be smaller than 3713
3711 LOAD TORQ LOW 3
Defines the torque value of the third underload curve definition point.
• Must be smaller than 3712
3712 LOAD TORQ HIGH 3
Defines the torque value of the third overload curve definition point.
Parameters
FUNCTIONS. To
Correspondence with the
on page 157.
.
USER LOAD C TIME
USER LOAD C TIME
2.
LOAD FREQ
1.
LOAD TORQ HIGH
3.
LOAD FREQ
2.
LOAD TORQ HIGH
4.
LOAD FREQ
3.
LOAD TORQ HIGH
Motor torque (%)
P3706
P3709
Allowed operating area
P3705
P3708
P3704 P3707
USER LOAD C MODE
USER LOAD C MODE
.
ACS550 User's Manual
Overload area
P3712
P3715 P3718
P3714 P3717
P3711
Underload area
P3710 P3713 P3716
Output frequency (Hz)
has been valid longer than
has been valid longer than