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RM58 - up to 13 bit encoder base unit

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RM58 - up to 13 bit encoder base unit

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The RM58 encoder-sensor base unit is designed for integration on to electric motors or other devices for shaft position and velocity measurement. A Hall sensor ASIC is moulded into the solid metal housing to achieve the highest IP ratings, high EMC immunity, extended operating temperature range and the best possible shock and vibration resistance.

 

Available output options are 13 bit absolute SSI and/or 8192 cpr incremental. Many other options can also be provided including analogue sine/cosine, linear voltage as well as redundant functionality.

 

With the provided magnet a system accuracy of 0.5 degrees is achievable. A range of magnetic actuators for easy integration onto or into the shaft is also offered for easy system integration.

RM58AC – Analogue sinusoidal outputs, 5 V
Outputs

Signal amplitude 1.1 ± 0.2 Vpp

Signal offset         3/5Vdd ± 5 mV
Max. cable length  3 m
Maximum speed 60,000 rpm
Connections
Function Wire colour
Shield -
Vdd  Red
GND Orange 
VA Black 
VB Brown 
RM58IE - Incremental, open collector, 5 V
Output signals A, B, Z
Accuracy Typ. ±0.5°
Hysteresis 0.18°
Resolution 80 to 2,048 pulses per revolution (320, 400, 500, 512, 800, 1,000, 1,024, 1,600, 2,000, 2,048, 4,096, 8,192 counts per revolution)
Maximum speed 30,000 rpm
Max. cable length 20 m
Connections
Function Wire colour
Shield  -
Vdd  Red
GND  Blue 
A+ Grey 
A-  Pink 
B+ Green
B-  Yellow 
Z+ White 
Z-  Brown 
RM58IC - Incremental, RS422, 5 V
Output signals A, B, Z, A-, B-, Z- (RS422)
Accuracy Typ. ±0.5°
Hysteresis 0.18°
Resolution 80 to 2,048 pulses per revolution (320, 400, 500, 512, 800, 1,000, 1,024, 1,600, 2,000, 2,048, 4,096, 8,192 counts per revolution)
Maximum speed 30,000 rpm
Max. cable length 50 m
Connections
Function Wire colour
Shield -
Vdd Red
GND Blue
A+ Grey
B+ Green
Z+ White
A- Pink
B- Yellow
Z- Brown

RM58SC - Absolute binary synchro-serial (SSI), RS422, 5 V
SSI output code Natural binary
Data outputs Serial data (RS422)
Data inputs Clock (RS422)
Accuracy Typ. ±0.5°
Hysteresis 0.18°
Resolution 80 to 2,048 pulses per revolution (320, 400, 500, 512, 800, 1,000, 1,024, 1,600, 2,000, 2,048, 4,096, 8,192 counts per revolution)
Maximum speed 30,000 rpm
Max. cable length 100 m (at 1 MHz)
Connections
Function Wire colour
Shield -
Vdd Red
GND Blue
Clock+ White
Data+ Green
Clock- Brown
Data- Yellow
RM58SI - Absolute binary synchro-serial (SSI) + Incremental, RS422, 5 V
SSI output code Natural binary
Data outputs Serial data (RS422)
Data inputs Clock (RS422)
Incremental outputs A, B, Z, A-, B-, Z- (RS422)
Accuracy Typ. ±0.5°
Hysteresis 0.18°
Resolution 80 to 2,048 pulses per revolution (320, 400, 500, 512, 800, 1,000, 1,024, 1,600, 2,000, 2,048, 4,096, 8,192 counts per revolution)
Maximum speed 30,000 rpm
Max. cable length 50 m
Connections
Function Wire colour
Shield -
Vdd Red
GND Blue
A+ Grey
B+ Green
Z+ White
A- Pink
B- Yellow
Z- Brown
Clock+ Black
Data+ Grey/Pink
Clock- Violet
Data- Red/Blue
RM58Vx - Linear voltage output, 5 V
Nonlinearity 1 %
Max. cable length 20 m
Maximum speed 30,000 rpm
Connections
Function Wire colour
Shield -
Vdd Red
GND Orange
VOUT Black
Output type and electrical variant
φFS 360° 180° 90° 45°
CW VA VB VC VD
CCW VE VF VG VH
RM58IA - Incremental, push-pull, 24 V
Output signals A, B, Z, A-, B-, Z- (RS422)
Accuracy Typ. ±0.5°
Hysteresis 0.18°
Resolution 80 to 2,048 pulses per revolution (320, 400, 500, 512, 800, 1,000, 1,024, 1,600, 2,000, 2,048, 4,096, 8,192 counts per revolution)
Maximum speed 30,000 rpm
Max. cable length 20 m
 Connections
Function Wire colour
Shield  -
Vdd  Red
GND  Blue 
A+ Grey 
A-  Pink 
B+ Green
B-  Yellow 
Z+ White 
Z-  Brown 
RM58IB - Incremental, open collector NPN, 24 V
Output signals A, B, Z
Accuracy Typ. ±0.5°
Hysteresis 0.18°
Resolution 80 to 2,048 pulses per revolution (320, 400, 500, 512, 800, 1,000, 1,024, 1,600, 2,000, 2,048, 4,096, 8,192 counts per revolution)
Maximum speed 30,000 rpm
Max. cable length 20 m
Connections
Function Wire colour
Shield  -
Vdd  Red
GND  Blue 
A+ Grey 
A-  Pink 
B+ Green
B-  Yellow 
Z+ White 
Z-  Brown 
RM58IG - Incremental, push-pull, RS422 (5 V), 24 V 
Output signals A, B, Z, A-, B-, Z- (5 V RS422)
Accuracy Typ. ±0.5°
Hysteresis 0.18°
Resolution 80 to 2,048 pulses per revolution (320, 400, 500, 512, 800, 1,000, 1,024, 1,600, 2,000, 2,048, 4,096, 8,192 counts per revolution)
Maximum speed 30,000 rpm
Max. cable length 20 m (5 V)
Connections
Function Wire colour
Shield  -
Vdd  Red
GND  Blue 
A+ Grey 
A-  Pink 
B+ Green
B-  Yellow 
Z+ White 
Z-  Brown 
RM58Ux – Commutation + incremental output
Accuracy ±0.5°
Incremental outputs A, B, Z, A-, B-, Z- (RS422)
Incremental resolution 256, 320, 400, 500, 512, 800, 1,000, 1,024, 1,600, 2,000, 2,048, 4,096, 8,192 cpr
Commutation outputs U, V, W (±24 mA output drive)
Number of poles for commutation outputs 2, 4, 6, 8, 10, 12, 14, 16
RM58Wx – Commutation with line driver + incremental with line driver
Accuracy ±0.5°
Incremental outputs A+, B+, Z+, A–, B–, Z– (RS422)
Incremental resolution 32, 64, 128, 256, 512, 1,024, 12,048, 4,096  8,192  cpr
Commutation outputs U, V, W, U–, V–, W– (RS422)

Number of poles for commutation outputs

 2, 4, 6, 8, 10, 12, 14, 16
RM58DC - Absolute encoder with BiSS‒C interface 
Output code Natural binary
Clock input MA (RS422)
Data output SLO (RS422)
Accuracy Typ. ±0.5°
Hysteresis 0.18°
Resolution 320, 400, 500, 512, 800, 1,000, 1,024, 1,600, 2,000, 2,048, 4,096, 8,192 positions per revolution
Maximum speed 30,000 rpm
Connections
Function Wire colour
Shield  -
Vdd  Red
GND  Blue 
MA+ White 
MA-  Brown 
SLO+ Green
SLO-  Yellow 
RM58AC – Analogue sinusoidal outputs, 5 V
Power supply Vdd = 5 V ± 5%
Current consumption 13 mA
RM58IE - Incremental, open collector, 5 V
Power supply Vdd = 5 V ± 5%
Current consumption 35 mA (not loaded)
Maximum output load 20 mA
RM58IC - Incremental, RS422A, 5 V
Power supply Vdd = 5 V ± 5%
Current consumption 35 mA

RM58SI - Absolute binary synchro-serial (SSI) + Incremental, RS422A, 5 V
Power supply Vdd = 5 V ± 5%
Current consumption 35 mA

RM58SC - Absolute binary synchro-serial (SSI), RS422A, 5 V
Power supply Vdd = 5 V ± 5%
Current consumption 35 mA

RM58Vx - Linear voltage output, 5 V
Power supply Vdd = 5 V ± 5%
Current consumption 26 mA (not loaded)
Output voltage 0 V to Vdd
Output loading Max. 10 mA

RM58IA - Incremental, push-pull, 24 V
Power supply Vdd = 8 V to 26 V
Current consumption 50 mA 
Max. output load 30 mA

RM58IB - Incremental, open collector NPN, 24 V
Power supply Vdd = 8 V to 26 V
Current consumption 50 mA
Max. output load 20 mA

RM58IG - Incremental, push-pull, RS422 (5 V), 24 V
Power supply Vdd = 8 V to 26 V
Current consumption 50 mA 
Max. output load 30 mA
RM58Ux – Commutation + incremental output
Power supply Vdd = 5 V ± 10 %
Current consumption 30 mA (not loaded)

RM58Wx – Commutation with line driver + incremental with line driver
Power supply Vdd = 5 V ± 10 %
Current consumption 30 mA (not loaded)

RM58DC – Absolute encoder with BiSS‒C interface
Power supply Vdd = 5 V ± 5 %
Current consumption Max. 50 mA
All output types
Cable

Outside diameter 5 mm
Mass

Encoder unit 1 m cable (no connector) IP64 112 g, IP68 129 g. Magnetic actuator <2 g
All output types
EMC compliance EN 61326
Environmental sealing IP64 (IP68 optional) EN 60529
Operating temperature

-40 °C to +125 °C (IP64)

-40 °C to +85 °C (IP68)

Features

  • Easy to install - with self locating design
  • Low cost for OEM integration
  • Fully sealed to IP68
  • High reliability from proven non-contact sensing technology
  • Available with 5 V or 24 V power supply
  • Incremental & absolute (SSI/BISS) available
  • RoHS compliant (lead free)

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Lead time up to: 10 working days

About RLS

We design, produce and supply advanced rotary and linear motion sensors to meet growing global market demands. Our experience and knowledge combined with innovative ideas enable us to offer custom product solutions to match customer's needs.

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