Requirements on the Encoder of the Third-Party Motor
Motor Encoder of Asynchronous Third-Party Motor
Asynchronous motors can also be controlled by Rexroth IndraDrive Cs con‐
trollers in "open-loop" operation (without motor encoder). In "closed-loop" op‐
eration (with motor encoder), a relative measuring system is sufficient for
asynchronous motors.
Motor Encoder of Synchronous Third-Party Motor
For fail-safe drives with synchronous third-party motors at
Rexroth IndraDrive Cs controllers, the following possible combinations or re‐
strictions have to be taken into account when selecting the measuring sys‐
tem:
Drive range
Motor measuring system
Synchronous third-party
motor
Rexroth IndraDrive Cs
Absolute
■
Relative
□
■
Advantageous combination
□
Combination is possible (restrictions specific to application),
commissioning may be more complicated!
Tab. 4-10:
Possible Combinations of Synchronous Third-Party Motor and Motor
Measuring System
The drive controller can evaluate measuring systems as motor
encoder when they are contained in "P-0-0074, Encoder type 1
(motor encoder)".
For information on absolute and relative measuring systems, see
section "Measuring Systems" of firmware documentation!
Motor Encoder Resolver - Notes on Selection
Resolvers must first be checked as to whether they are suited as motor en‐
coders. To check whether they can be evaluated by the drive controllers, the
following resolver data are required:
●
Data of resolver system to be compared must be available at 8 kHz
●
Ratio
●
Current consumption
●
DC resistance of stator
●
Number of poles
●
Phase shift
By means of the resolver data, check whether the supply voltage of the en‐
coder interface and the signal levels of the encoder tracks are sufficient.
Notes on Selection and Commissioning
Selecting the Controller as Regards Continuous Current
The drive controller required for the respective motor is determined by com‐
paring the motor data to the device data.
Bosch Rexroth AG
DOK-INDRV*-HCS01******-PR05-EN-P
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Rexroth IndraDrive CsDrive Systems with HCS01
Combining the individual components
Содержание Rexroth IndraDrive CsDrive System with HCS01
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