RMB20 rotary magnetic module

RMB20 rotary magnetic module

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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.

RMB20AC – Analogue sinusoidal outputs
Outputs Signal amplitude 2 ± 0.2 Vpp
Signal offset   Vdd/2 ± 5 mV
Maximum speed 60,000 rpm
Internal serial impedance 720 Ω
RMB20BC – Analogue complementary sinusoidal outputs
Outputs Signal amplitude 0.5 ± 0.1 Vpp
Signal offset   Vdd/2 ± 5 mV
Maximum speed 60,000 rpm
Internal serial impedance 100 Ω
RMB20IC – Incremental output  
Output signals A, B, Z, A-, B-, Z- (RS422)
RMB20PC – Absolute binary parallel interface
Output code Natural binary
Output voltage VH ≥ 4 V at -IH ≤ 3 mA
VL ≤ 1 V at IL ≤ 3 mA
Resolution 9 bit (512 positions per revolution)
Hysteresis 0.45°
Accuracy ±0.7°
Repeatability ≤ 0.07°
Data outputs D0 (LSB) - D8 (MSB)
Data input LE - latch enable input signal, active high
Maximum sampling rate 500 kHz
Maximum speed 60,000 rpm
RMB20SC – Absolute binary synchro-serial interface (SSI)
Output code Natural binary
Repeatability ≤ 0.07°
Data output Serial data (RS422)
Data input Clock (RS422)
RMB20V – Linear voltage output
Output voltage 0 V to Vdd
Nonlinearity 1 %
Maximum speed 30,000 rpm
RMB20AC – Analogue sinusoidal outputs
Power supply Vdd = 5 V ± 5%
Power consumption 20 mA
RMB20BC – Analogue complementary sinusoidal outputs
Power supply Vdd = 5 V ± 5%
Power consumption 20 mA
RMB20IC – Incremental output  
Power supply Vdd = 5 V ± 5%
Power consumption 35 mA
RMB20PC – Absolute binary parallel interface
Power supply Vdd = 5 V ± 5%
Power consumption 20 mA without load
RMB20SC – Absolute binary synchro-serial interface (SSI)
Power supply Vdd = 5 V ± 5%
Power consumption 23 mA for 9 bit resolution
35 mA for all other resolutions
RMB20V – Linear voltage output
Power supply Vdd = 5 V ± 5%
Power consumption 26 mA typical
RMB20AC – Analogue sinusoidal outputs
Temperature
Operating and storage
-40 °C to +125 °C
RMB20BC – Analogue complementary sinusoidal outputs
Temperature
Operating and storage
-40 °C to +85 °C
RMB20IC – Incremental output  
Temperature
Operating and storage
-40 °C to +125 °C
RMB20PC – Absolute binary parallel interface
Temperature
Operating and storage
-40 °C to +125 °C
RMB20SC – Absolute binary synchro-serial interface (SSI)
Temperature
Operating and storage
-40 °C to +125 °C
RMB20V – Linear voltage output
Temperature
Operating and storage
-40 °C to +125 °C

 

Features

  • 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)

Buy products by choosing the specifications

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Delivery time up to: 10 days

Total price:

$13.67

Availability: In stock

More than 10 pcs or need technical assistance? Contact for quote.