• DOK-DIAX02-DDS02.1*ANA-ANW1-EN-E1,44 • 12.96
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2. The digital intelligent AC servo drive with ANALOG interface
Digital AC servo motors MDD... digital AC servo motors are supplied in the following feedback
versions.
– Motors with "digital servo feedback" (DSF)
– Motors with "digital servo feedback and multi-turn encoder"
(DSF + MTG)
– Motors with "resolver feedback" (RSF)
– Motors with "resolver feedback and multi-turn encoder" (RSF + MTG)
Motors are used for different applications in accordance with their
properties:
Properties
Fig. 24: Properties of available feedback versions
Digital Resolver
servo feedback feedback
Three-phase transformer
Sensor principle Optical scanning with angle-dependent
of a code disk coupling ratio
Maximum 256 x 2
13
= 2 097 152 3 x 2
13
= 24 576
position resolution increments/revolution increments/revolution
System accuracy ± 0,5 angular minutes ± 7 angular minutes
Multi-turn version, 4096 rotor revolutions 4096 rotor revolutions
sensing range
Available on MDD 065 to MDD 021 to
motor series: MDD 117 MDD 117
High demands on – Low demands on
Suitable for dynamic control response, synchronism,
applications with: synchronism, absolute accuracy;
absolute accuracy – Extreme impact
and vibration
stresses
Range of Servo applications in: Handling applications,
applications: – machine tool feed axes, low-cost
axes applications etc.
– robot applications
– handling systems
– assembly equipment
– wood-working
machines
– packaging machines
– textile machines
– printing machines
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