Commissioning
6.2 Switching on for the first time
3RW44 soft starters
50 Manual, 03/2017, NEB535219502000/RS-AB/008
6.2 Switching on for the first time
WARNING
Before switching the device on for the first time, verify that the main/control side is wired
properly. Make sure that the line and control voltages comply with the device-specific
requirements (refer to chapter Technical data (Page 253)).
6.2.1 Recommended procedure for commissioning 3RW44
Suggested
setting
Startup parameters Stopping parameters
Startup mode: voltage ramp and current limiting (U+ current
limiting)
Coasting method
Parameters
Starting
voltage %
Starting
time s
Current limiting
value
Breakaway pulse Coast-
down
time s
Stopping
torque %
Application
Conveyor
belts
70 10 Deactivated Deactivated (0 ms) Torque control 10 10
Roller
conveyors
60 10 Deactivated Deactivated (0 ms) Torque control 10 10
Compressor 50 10 4 x I
e
Deactivated (0 ms) Coasting down X X
Small fans 30 10 4 x I
e
Deactivated (0 ms) Coasting down X X
Pump 30 10 4 x I
e
Deactivated (0 ms) Pump stop 10 10
Hydraulic
pumps
30 10 4 x I
e
Deactivated (0 ms) Coasting down X X
Stirrers 30 30 4 x I
e
Deactivated (0 ms) Coasting down X X
Centrifuges 30 30 4 x I
e
Deactivated (0 ms) Coasting down X X
Milling
machines
30 30 4 x I
e
Deactivated (0 ms) Coasting down X X
Large fans 30 60 4 x I
e
Deactivated (0 ms) Coasting down X X
Mills 50 60 4 x I
e
80 %/300 ms Coasting down X X
Crushers 50 60 4 x I
e
80 %/300 ms Coasting down X X
Circular
saws/band
saws
30 60 4 x I
e
Deactivated (0 ms) Coasting down X X
Note
This table provides example settings. They are intended for information purposes only and
are not binding. Set values depend on the application in question and must be optimized
during commissioning.
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