RMB28 RLS, RMB28 Datasheet

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RMB28

Manufacturer Part Number
RMB28
Description
Angular Magnetic Encoder Module
Manufacturer
RLS
Datasheet
1.RMB28.pdf (10 pages)
Data sheet
RMB28D01_04
Issue 4, 14
RMB28 angular magnetic encoder module
The RMB28 encoder
module is designed for
direct integration to high
volume OEM applications.
The low cost 28 mm square
PCB can also be provided
with a connector for easy
installation.
The encoder module consists of a
magnetic actuator and a separate
sensor board. Rotation of the
magnetic actuator is sensed by a
custom encoder chip mounted on
the sensor board, and processed
to give the required output format.
Output signals are provided
in industry standard absolute,
incremental, analogue or linear
formats.
The RMB28 can be used in a
wide range of OEM applications
including motor control and industrial
automation.
th
January 2009
RMB28MD - Sine/Cosine + Absolute
RMB28IB - Incremental, Open
RMB28IE - Incremental, Open
RMB28IC - Incremental, RS422A, 5 V
RMB28SC - Absolute binary synchro-
RMB28SI - Absolute binary synchro-
RMB28V - Linear voltage output, 5 V
serial (SSI) + Incremental,
RS422A, 5 V
Collector, 24 V
Collector, 5 V
serial, RS422A, 5 V
binary synchro-serial +
Incremental, 5 V
A
●
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28 mm square module
Low cost for OEM integration
24 V and 5 V power supply
versions
High speed operation to
60,000 rpm
Absolute - to 13 bit resolution
(8,192 counts per revolution)
Industry standard absolute,
incremental, analogue and
linear output formats
Accuracy to ±0.5°
RoHS compliant (lead free)
associate company
®

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RMB28 Summary of contents

Page 1

... RMB28IE - Incremental, Open Collector RMB28IC - Incremental, RS422A RMB28SC - Absolute binary synchro- serial, RS422A RMB28SI - Absolute binary synchro- serial (SSI) + Incremental, RS422A RMB28V - Linear voltage output ® square module ● ● Low cost for OEM integration ● ...

Page 2

... Data sheet RMB28D01_04 RMB28 installation drawing PCB RMB28 component area component area 2 magnetic actuator magnet Ø4×4 ±0.2 28 0.2 0.2 Clockwise (CW) rotation of magnet ...

Page 3

... RMB28MD – Sine/Cosine + Absolute binary synchro-serial (SSI) + Incremental Complex feedback device for absolute position at start-up as well as during operation + incremental outputs Power supply ± Resolution 8 bit + 64 ppr (256 cpr) + one period per revolution Power consumption 13 mA – incremental and SSI (not ...

Page 4

... Worst case within operational parameters including magnet position and temperature. Connections RMB28IB GND RMB28IE – Incremental, Open Collector Low cost alternative for ball bearing encoders Power supply ± Resolution 32, 64 ppr (128, 256 cpr) Power consumption 13 mA (not loaded) ...

Page 5

... Worst case within operational parameters including magnet position and temperature. Connections RMB28IC - 32, 64 positions per revolution (128, 256 cpr GND Timing diagram Complementary signals not shown ...

Page 6

... Data sheet RMB28D01_04 RMB28SC – Absolute binary synchro-serial (SSI), RS422A Alternative for optical encoders Power supply ± Power consumption 13 mA for 8 bit resolution 35 mA for all other resolutions SSI output code Natural binary Data outputs Serial data (RS422A) ...

Page 7

... RMB28SI – Absolute binary synchro-serial (SSI) + Incremental, RS422A Complex feedback device for absolute position at start up as well as during operation + incremental outputs. Both the incremental and the SSI output always have the same fixed resolution. Power supply = 5 V ± Power consumption ...

Page 8

... VD CCW NOTE: Not all combinations are valid. * For sample quantities of RMB28 supplied with a magnet please add “KIT” to the end of the required RMB28 part number, eg. RMB28IC09BS10KIT 8 IC 08B S 10 Special requirements special requirements (standard Extended operating temperature (for ...

Page 9

Magnetic actuator and magnet ordering information Actuator for integration onto shaft magnet Shaft = Ø*h7 Fixing: Grub screw provided Actuator for integration into shaft magnet with N-pole marker Hole = Ø6G7 Fixing: Glue (recommended – LOCTITE 648) Magnet for direct ...

Page 10

... T +81 3 5366 5316 E france@renishaw.com E japan@renishaw.com RLS d.o.o. has made considerable effort to ensure the content of this document is correct at the date of publication but makes no warranties or representations regarding the content. RLS d.o.o. excludes liability, howsoever arising, for any inaccuracies in this document. , minor amendments x The Netherlands Sweden ...

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