DM542S USER MANUAL
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The effects of regeneration voltage:
When the stepper motor is working, it also keeps the characteristics of the generator. At deceleration, the kinetic
energy accumulated by the load is converted into electric energy, which will be superimposed on the drive circuit
and the input power. In application, attention should be paid to the setting of acceleration and deceleration time
to prevent the protection of the drive or power supply.
When the drive is powered off, similarly, the drive LED indicator will be on if the load is increased to allow the
motor to move
3.3 Motor connection
The matching motor of the DM 542S drive is the low resistance and low inductance hybrid stepper motor.
The common 2-phase stepper motor’s lead number are 4, 8 and 6.
There is only one connection mode for 4 leads motor.
Series and parallel connection mode are used by 8 leads motor:
When series used, the winding inductance increased. The set of drive current should be about 0.7times than
before. This is suitable for low speed required.
When parallel used, the winding inductance decreased. The set of drive current should be about 1.4times than
before. This is suitable for high speed required.
Parallel and central tapping connection mode are used by 6 leads motor:
When parallel used, all the winding connected, and the inductance was higher. This is suitable for low speed
required.
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