User Manual

Typical circuit diagrams
15.11 Dahlander / multispeed motor
SIRIUS 3RW30 / 3RW40
Manual, 10/2010, 535199502000 DS 03
207
15.11.2 3RW40 2 to 3RW40 4 and Dahlander motor starting
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Figure 15-33 Wiring of the 3RW40 2 to 3RW40 4 control circuit and the 3RW40 2 to 3RW40 7 main circuit
(1) For the permissible values for the main and control voltage (dependent on the MLFB),
refer to chapter Technical data (Page 127) .
WARNING
(2) Automatic restart.
Can result in death, serious injury, or property damage.
The start command (e.g. issued by the PLC or switch S1) must be reset prior to issuing a
RESET command because the motor attempts to restart again automatically following this
RESET command if a start command is still present. This particularly applies if the motor
protection has tripped. For safety reasons, you are advised to integrate the group fault
output (terminals 95 and 96) in the controller.