Festo MTRE-ST42-48S Serie Instrucciones De Utilizacion página 32

MTRE−ST42−48S−..
of it. Small deviations from the "critical" step frequency usually show good
results.
Make the acceleration ramps steeper.
S
The stepping motor is "pulled" through the critical areas quickly and so does
not tend so quickly to oscillate.
Increase the friction (emergency solution)
S
Friction dampens the entire system, but useful torque is lost.
Stepping motor MTRE−ST−...
Stepping motor MTRE−ST−... serves for driving spindle and toothed belt axes of
series DGE−... .
By means of digital inputs, the direction of movement as well as the step can be
specified. Motor MTRE−ST42−48S−AB also has a brake.
Performance characteristics:
Bipolar chopper driver
Input voltage 24 V DC to 48 V DC
Phase current can be set up to 1.2 A in 8 steps
Automatic current reduction to 30 %
Full, half, quarter, fifth, eighth and tenth of a step possible
Step frequency max. 40 kHz
Protective function against excess temperature and short circuit
Controller part
Communication with higher−order controllers, e.g. programmable logic controllers
(PLC) takes place via inputs and outputs.
The inputs are completely electrically isolated from each other. These inputs can
be actuated with either 5 V or 24 V. (See section User interfaces).
Final output stage
The integrated final output stage can control up to 1.2 A string current. The string
current can be set with dip switches. (see section Direction input).
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Festo MTRE−ST42−48S−.. 0407a English