Description, Settings, Signals - ABB PS D75 840 Series Installation And Maintenance Instruction

4. Description, settings, signals

General
PS D75 ... 840 are made for normal starting conditions for starting pumps, short conveyor
belts, compressors, etc. It is possible to buy this version with a built-in electronic overload
with tripping class 10. See technical data for starting capacity.
PS DH30 ... 720 have higher starting capacity allowing longer starting times for starting up big
fans crushers, mills, etc. This versions have always a built-in electronic overload with tripping
class 30. See technical data for starting capacity.
U
60%
Uini
10%
Rated Current
Selection of the motors rated current can be done from 70 - 100% of the
softstarters rated current.
This will also set the tripping level for the electronic overload when enclosed.
Soft Start
Separately adjustable linear ramp with adjustable initial voltage.
Time:
Initial voltage
Kick start
Soft Stop
Separately adjustable linear ramp with adjustable step-down voltage.
End voltage = Initial voltage (U INI).
Time:
Step-down
Current Limit
Adjustable from 200 - 500% of the motors rated current
The current limit is active during the start ramp.
Energy Saving
To comply with the EMC-directive 89 / 336 / EEC see instructions on page 3
Selectable yes/no, it is activated 60 sec after the start ramps end.
High Current Switch Off
Selectable yes/no, if the current limit is overridden during more than 200 ms
after "top of ramp", the softstarter turns off. Reset via a stop signal.
Time constant of energy saving function
Selectable time constant, normal/slow.
Kick = Y (On)
60 sec.
START
Adjustable from 0.5 - 60 sec.
Adjustable from 10 - 60 % of full voltage.
(If the current limit will always override the initial voltage)
90 % of full voltage during 0.5 sec, selectable yes/no
Adjustable from 0 till 4 min (240 sec)
Adjustable from 30 - 100 % of full voltage.
PF= Y (On)
30%
STOP
- 13 -
Usd
= set Uini
time
Knob = I r
Knob = START
Knob = U
INI
Switch = Kick
Knob = STOP
Knob = U
SD
Knob = I
LIM
Switch = PF
Switch = SC
Switch = TPF