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MPH-02, MPB-02, MPD-02
Motor Encoders of Rexroth
Housing Motors
Motor Encoders for Rexroth Kit
Motors and Third-Party
Encoders
Motor Encoder with Gear
DOK-INDRV*-MP*-02VRS**-FK01-EN-P
Motor, Mechanical Axis System, Measuring Systems
For information on encoder evaluation and monitoring see also "Basics on
Measuring Systems, Resolution" and "Monitoring the Measuring Systems"
in section "Measuring Systems"
Rexroth housing motors have integrated position measuring systems:
• HSF encoders for MHD, 2AD and ADF motors of high precision
requirements
• resolver encoders for MKD and MKE motors for lower precision
requirements
They are optionally available as
• relative measuring system ("single-turn motor encoder")
- or -
• absolute measuring system ("multi-turn motor encoders", range of
values ± 4096 motor revolutions).
The measuring systems of Rexroth housing motors support the
commissioning because the data for encoder type and resolution are
stored in the encoder. They are loaded to the controller when the
controller is switched on.
Rexroth kit motors are delivered as individual components and
assembled in the machine to form the motor. It consists of a moving and
a static part, the bearing and the motor encoder.
The following measuring systems can be used as a motor encoder:
• GDS/GDM encoders from Rexroth (rotary single-turn or multi-turn
encoders with housing and shaft)
• incremental encoder with sine signals
(compatible with signal specification of Heidenhain)
• combined encoder of incremental encoder with sine signals
(compatible with signal specification of Heidenhain) and "Hall sensor
box SHL01.1" (Rexroth-compatible signal specification)
• encoder with EnDat interface from Heidenhain
• incremental encoder with square-wave signals
(compatible with signal specification of Heidenhain)
• combined encoder of incremental encoder with square-wave signals
(compatible with signal specification of Heidenhain) and "Hall sensor
box SHL01.1" (Rexroth-compatible signal specification)
Note:
Don´t use incremental encoder with square-wave signals as
motor encoder! Bad drive properties are to be expected!
The mentioned measuring systems can be used as motor encoders for
third-party kit motors and third-party housing motors. The combined
encoders are an exception; they can only be used for Rexroth
synchronous linear motors (see also "Rexroth Kit Motors, Synchronous")!
Note:
For synchronous kit resp. synchronous third-party motors it is
advantageous to use a measuring system, that can be
evaluated in absolute form, as a motor encoder (see also
"Absolute Measuring Systems").
Especially with rotary kit motors it is sometimes impossible to connect the
motor encoder directly to the motor shaft. IndraDrive provides the
possibility to evaluate a motor encoder connected via a gear.
5-71
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Table of Contents
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