Parameters
4.2 Motor control
SIMOCODE pro - Parameterize
Operating Manual, 04/2017, A5E40507630002A/RS-AA/001
93
"Dahlander reversing starter" control function
Description
This control function can be used to change the direction of rotation of a motor at both
speeds.
●
Start with "ON >" activates contactor control QE2 (CW-SLOW)
●
Start with "ON >>" first activates contactor control QE3 (star contactor
FAST) and then immediately activates contactor control QE1 (CW-FAST)
●
Start with "ON <" activates contactor control QE4 (CCW-SLOW)
●
Start with "ON <<" first activates contactor control QE3 (star contactor
FAST) and then immediately activates contactor control QE5 (CCW-FAST)
●
with "OFF" deactivates the contactor controls.
The control commands can be issued to SIMOCODE pro from any control stations (see also
the description of "control stations"). Thus, the inputs (plugs) must be connected to the
corresponding sockets, preferably to the "Enabled control command" sockets. It does not
matter in what order the control commands are given. Every fault message causes the
contactor control to be deactivated.
Switching the direction of rotation
The direction of rotation can be switched once the "Status - ON >" or "Status - ON <" signal
has expired (motor is switched off)
the interlocking time has elapsed:
● Via the OFF control command
● Directly when "Saving change-over command" is activated.
SIMOCODE pro prevents both contactors from switching on at the same time. Switching
from one direction of rotation to the other can be delayed via the "interlocking time."
The speed can be switched once the "Feedback ON" signal has expired (motor is switched
off)
on change-over from "FAST" → "SLOW" after the change-over pause has elapsed:
● Via the OFF control command
● Directly when "Saving change-over command" is activated.
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