5. Design and function
© Festo Didactic GmbH & Co. KG • 544305
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Actual motor speed can be compared with desired speed by means of the
incremental encoder, and can then be regulated with a PID controller via the I/O
circuit board.
DC motor (GR 42x25)
Unit of measure
Nominal voltage
V DC
24
Nominal speed
RPM
3600
Nominal torque
Ncm
3.8
Nominal current
A
0.9
Starting torque
Ncm
20
Starting current
A
4
No-load speed
RPM
4200
No-load current
A
0.17
Demagnetisation current
A
6.5
Mass moment of inertia
gcm2
71
Motor weight
gr.
390
Planetary gear unit (PLG 42 S)
Single-stage, Nm:
3.5
Single-stage, i:
4 :1 – 8 :1
2-stage, Nm:
6
2-stage, i:
16 :1 – 64 :1
3-stage, Nm:
14
3-stage, i:
100 :1 – 512 :1
All-way roller, driven (ARG 80)
Diameter Ø
80 mm
Maximum carrying capacity
40 kg
Motor performance data
Gear unit
All-way roller
