5
Programmable Parameters
WARNING
The motor data parameters are critical to the correct operation of the soft starter's thermal
model, and to the motor overload protection. Always set switches
3
and
4
to suit the motor's
characteristics.
5.1 Adjustments
350%
90%
80%
70%
60%
400%
300%
50%100%
16s
8s
12s
10s
No
Soft Stop
450%
250%
6s
4s
2s
14s
20s
16
8
12
10
OFF
6
4
2
14
20
16
8
12
10
OFF
TRIP RUN
ANY
ANY
FWD
FWD
6
4
2
5s
2s
15s
5s
OFF
15s
5s
2s
2s
15s
14
20
14244.C
1
2
3
7
8
6
5
4
Current Ramp
Current Limit
Motor Trip Class
Motor FLC
Soft Stop Time
Excess Start Time
Auxiliary Relay Function
Phase Sequence Protection
Current Ramp
Select the initial start current (A) and ramp time (B).
Current ramp starting extends the time soft starter
takes to reach the current limit and is suitable for
generator set supplies, loads requiring an extended
start time or applications with extreme load variation
between starts.
The ramp time does not control the time the motor
will take to reach full speed.
C
ur
rent
Time
Current Limit
Select the current limit (C).
The current limit is the maximum level of current the
soft starter will deliver to the motor during the soft
start.
C
ur
rent
Time
Motor Trip Class
Select the trip class for motor overload protection.
The trip class reflects the maximum time (in
seconds) that the motor can run at locked rotor
current. The Motor Trip Class setting assumes a
locked rotor current of 600%.
Setting the motor trip class to "Off" disables motor
overload protection.
Digistart D2: User Guide
13
Issue: F