ABB PSTX30 Installation And Commissioning Manual page 79

7.10 Sequence start
The softstarter can start up to three different motors
sequentially, sequence 1, 2 and 3. This is suitable when
setting up the softstarter with different applications.
Choose the parameter set via input signal to the
softstarter.
Parameter settings and physical connections for
programmable inputs must correspond.
For connections, see chapter 5.
Parameters set for sequence start 1, 2 and 3 are equal.
If the softstarter trips for any reason, and the trip is
supposed to stop the motor, all motors will be stopped.
Example: Start 1, (Start mode seq 1) is configured to Run 1
relay , (K4,K5 or K6) the relay closes when the startsignal is
given, which leads to a power transfer. This can switch between
softstarters and their specific parameter settings.
Sequence start is configured with the following
parameters:
Parameter
08.01 Sequence mode
08.02 Ie seq 1
08.30 seq 2
08.60 seq 3
08.03 Start mode seq 1
08.31 seq 2
08.61 seq 3
08.04 Start ramp time seq 1
08.32 seq 2
08.62 seq 3
08.05 Start ramp init lev seq 1
08.33 seq 2
08.63 seq 3
08.06 Curr lim lev seq 1
08.34 seq 2
08.64 seq 3
08.07 Kick start seq 1
08.35 seq 2
08.65 seq 3
08.08 kick start level seq 1
08.36 seq 2
08.66 seq 3
08.09 Kick start lvl seq 1
08.37 seq 2
08.67 seq 3
08.06 Torque lim lvl seq 1
08.38 seq 2
08.68 seq 3
08.10 Torque tune seq 1
08.39 seq 2
08.69 seq 3
08.11 Torque ctrl gain seq 1
08.40 seq 2
08.70 seq 3
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Description
Enable sequence start of motors.
Sets the nominal current for the motor. For good
performance, it is important that the nominal
current is set to the correct value. For Inside Delta
connection, this parameter shall be set to 58% of
the nominal motor current.
Sets the desired start mode.
Sets the time it takes for the voltage to reach
100%.
Sets the level from where the start ramp initiates
(voltage level for Voltage start and torque level for
Torque start).
Sets the level to which the current is limited during
start.
Enables a voltage peak at the beginning of the
start ramp.
Information: The funciton Current Limit is not
activated during Kick start.
Sets the level of the Kick start in percentage of
rated voltage.
Sets the duration of the Kick start in seconds.
Sets the level to which the torque is limited during
the start wih torque control.
Adjustment of resistive losses.
Sets the speed of the voltage regulator during
torque start and stop. It seldom needs to be
changed, but if a dip occur in the torque curve
during stop, increasing this value might solve it.
Setting range Default value
Off, Start several Off
motors
9.0 ... 1250.0 A 9.0 A
Voltage start ramp, Voltage start
Torque start ramp, ramp
Full voltage ramp
1 ... 120 s 10 s
10 ... 99 % 30 %
0.5 ... 7.5 x I e 7.0 x I e
Off, On Off
50 ... 100 % 70 %
0.2 ... 2.0 s 0.2 s
20 ... 200 % 150 %
0 ... 1000 % 100 %
0.01 ... 10.0 0.24
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