VLT® Soft Starter MCD 600
Operating Guide
Table 28: Typical Control Methods
Application
Bow thruster
Centrifuge (separator)
Chipper
Compressor - reciprocat-
ing - loaded
Compressor - reciprocat-
ing - unloaded
Compressor - screw - loa-
ded
Compressor - screw -. un-
loaded
Conveyor - horizontal
Conveyor - inclined
Conveyor - vertical (buck-
et)
Crusher - cone
Crusher - jaw
Crusher - rotary
Debarker
Fan - axial (damped)
Fan - axial (undamped)
Fan - centrifugal (damped)
Fan - centrifugal (undam-
ped)
Fan - high pressure
Mill - ball
Mill - hammer
Pump - bore
Pump - centrifugal
Pump - hydraulic
Pump - positive displace-
ment
62 | Danfoss A/S © 2020.12
Start mode
Start
ramp
time [s]
Constant current
5
Constant current
1
Constant current
1
Constant current
1
Constant current
1
Constant current
1
Constant current
1
Constant current
5
Constant current
2
Constant current
2
Constant current
1
Constant current
1
Constant current
1
Constant current
1
Constant current
1
Constant current
1
Constant current
1
Constant current
1
Constant current
1
Constant current
1
Constant current
1
Adaptive control (ear-
3
ly acceleration)
Adaptive control (ear-
10
ly acceleration)
Constant current
2
Adaptive control (con-
10
stant acceleration)
Initial cur-
Current
Stop mode
rent
limit
(%FLC)
(%FLC)
100
400
Coast to stop
200
450
Coast to stop
200
450
Coast to stop
200
450
Coast to stop
200
400
Coast to stop
200
400
Coast to stop
200
350
Coast to stop
200
400
TVR soft stop
200
450
Coast to stop
200
450
Coast to stop
200
350
Coast to stop
200
450
Coast to stop
200
400
Coast to stop
200
350
Coast to stop
200
350
Coast to stop
200
450
Coast to stop
200
350
Coast to stop
200
450
Coast to stop
200
450
Coast to stop
200
450
Coast to stop
200
450
Coast to stop
n/a
500
Adaptive control
(late deceleration)
n/a
500
Adaptive control
(late deceleration)
200
350
Coast to stop
n/a
400
Adaptive control
(constant decelera-
tion)
AQ262141844215en-000401 / 175R1174
Operation
Stop time
[s]
n/a
n/a
n/a
n/a
n/a
n/a
n/a
10
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
3
15
n/a
10
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