rmb20 RLS, rmb20 Datasheet

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rmb20

Manufacturer Part Number
rmb20
Description
Angular Magnetic Encoder Module
Manufacturer
RLS
Datasheet
1.RMB20.pdf (8 pages)
Data sheet
RMB20D01_08
Issue 8, 14
RMB20 angular magnetic encoder module
The RMB20 encoder module
provides the functionality
of the RM22 encoder in
a compact component
format for simple customer
integration. With a PCB
diameter of only 20 mm the
module fits into miniature
designs.
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 RMB20 can be designed into
equipment used in a wide range of
applications including marine, medical,
print, converting, industrial automation,
motor control and instrumentation.
th
January 2009
RMB20AC - Single ended analogue
RMB20BC
RMB20IC
RMB20PC
RMB20SC
RMB20V
-
-
range of variants
Linear voltage output in a
-
-
-
Incremental with 80
to 2,048 pulses per
revolution (320 to 8,192
counts per revolution with
x 4 evaluation)
sinusoidal outputs with a
single sine/cosine cycle
per revolution
interface with 512
positions per revolution
(9 bit)
(SSI) with 320 to 8,192
positions per revolution
Absolute parallel
Synchro serial interface
Complementary
analogue outputs with a
single sine/cosine cycle
per revolution
A
●
●
●
●
●
●
●
20 mm diameter circular module
5 V power supply
High speed operation to
30,000 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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rmb20 Summary of contents

Page 1

... Output signals are provided in industry standard absolute, incremental, analogue or linear formats. The RMB20 can be designed into equipment used in a wide range of applications including marine, medical, print, converting, industrial automation, motor control and instrumentation. RMB20AC - Single ended analogue ...

Page 2

... Data sheet RMB20D01_08 RMB20 installation drawing : For the accuracy specified the center line of the magnet NOTE needs to be square to the chip within 2° and aligned within the center of the board ±0.1 mm (mid point between the 2 mounting holes). 2 component area PCB RMB20 ...

Page 3

... Operating Storage Maximum speed 30,000 rpm Internal serial impedance 720 Ω Connections RMB20AC Cos Sin GND V dd RMB20BC – Analogue complementary sinusoidal outputs 2 channels V and V differential sinusoids in quadrature (90° phase shifted Power supply ± Power consumption 20 mA Outputs ...

Page 4

... Worst case within operational parameters including magnet position and temperature. Connections RMB20IC - 9 bit resolution only RMB20PC – Absolute binary parallel interface Parallel absolute position measurement Output code Natural binary Power supply ± Power consumption 20 mA without load ...

Page 5

... RMB20SC – Absolute binary synchro-serial interface (SSI) Serial encoded absolute position measurement Output code Natural binary Power supply ± Power consumption 23 mA for 9 bit resolution 35 mA for all other resolutions Repeatability ≤ 0.07° Data outputs Serial data (RS422A) Data inputs ...

Page 6

... CCW NOTE: Not all combinations are valid. * For sample quantities of RMB20 supplied with a magnet please add “KIT” to the end of the required RMB20 part number, eg. RMB20IC09BC1KIT 6 RMB20 IC 09B 45° Special requirements None (standard) ...

Page 7

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 8

... Document issues Issue Date Page Amendments done 2005 - New document 02 16. 11. 2005 2, 3 RMB20BC output and information on resolutions above 9 bit added 03 6. 12. 2005 1 New installation drawing 04 12. 1. 2006 3 Magnet information added and minor changes in ordering information done 05 10. 4. 2006 1 New installation drawing 06 2 ...

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