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Product comparison table

Compare Renishaw's vast range of optical linear and rotary (angle) encoder systems.

For further information and product options, please visit the encoder product configurator.

Optical linear readheads

These tables are available with more details as a printer friendly PDF.

For further information, please refer to the relevant datasheets.

Absolute   

      

Product name

Outputs (resolutions)

Scale options

Scale length

System accuracy

Maximum speed

Readhead size
(L x W x H)

RESOLUTE™

Digital: N/A
Analogue: N/A
Serial: BiSS, Panasonic, Mitsubishi, FANUC, DRIVE-CLiQ
(1 nm to 100 nm)

RSLA, RELA, RTLA/FASTRACK

RSLA: up to 5 m
RELA: up to 1.5 m
RTLA: up to 21 m

Up to ±1 µm/m

100 m/s

36 mm x 16.5 mm x 17.2 mm

Incremental 

 

Product name

Outputs (resolutions)

Scale options

Scale length

System accuracy

Max. speed

Readhead size

(L x W x H)

VIONiC™

Digital: RS422 (5 µm to 20 nm)

Serial: N/A

RTLC-S,

RTLC/FASTRACK,

RELM, RSLM 

RTLC-S/RTLC: up to 10 m

RELM: up to 1.5 m

RSLM: up to 5 m

RTLC-S/RTLC: ±5 μm/m

RELM: ±1 µm/m

RSLM: Up to ±1.5 μm (dependent upon length)

12 m/s

35 mm x 13.5 mm x 10 mm

VIONiCplus™

Digital: RS422 (0.1 µm to 2.5 nm)

Serial: N/A

RTLC-S,

RTLC/FASTRACK,

RELM, RSLM

RTLC-S/RTLC: up to 10 m

RELM: up to 1.5 m

RSLM: up to 5 m

RTLC-S/RTLC: ±5 μm/m

RELM: ±1 µm/m

RSLM: Up to ±1.5 μm (dependent upon length)

3.63 m/s

35 mm x 13.5 mm x 10 mm

ATOM™

Digital: RS422 (10 µm to 1 nm)

Analogue: 1 Vpp (20µm and 40 µm)

Serial: N/A

RTLF: up to 10 m
RCLC: up to 1.3 m

Up to 10 m

Up to ±5 µm/m

20 m/s

20.5 mm x 12.7 mm x 8.35 mm

(20.5 mm x 12.7 mm x 7.3 mm

for FPC version)

TONiC™

Digital: RS422 (5 µm to 1 nm)

Analogue: 1 Vpp (20 µm)

Serial: N/A

RGSZ,

RTLC-S,

RTLC/FASTRACK,

RELM, RSLM

RGSZ: Up to 50 m

RTLC-S/RTLC: Up to 10 m

RELM: Up to 1.5 m

RSLM: Up to 5 m

RGSZ: ±15 µm/m

(±3 µm/m when 2-point compensation is applied)

RTLC-S/RTLC: ±5 μm/m

RELM: ±1 µm/m

RSLM: Up to ±1.5 μm (dependent upon length)

10 m/s

35 mm x 13.5 mm x 10 mm

RGH20

Digital: RS422 (5 µm to 10 nm)

Analogue: 1 Vpp (20 µm)

Serial: N/A

RSLR

Up to 5 m

±1.5 µm up to 1 m, ±2.25 µm up to 2 m, ±3 µm up to 3 m, ±4 µm up to 5 m

8 m/s

36 mm x 13.5 mm x 14.8 mm

RGH20F

Digital: RS422 (5 µm to 5 nm)

Analogue: 1 Vpp (20 µm)

Serial: N/A

RSLR

Up to 5 m

±1.5 µm up to 1 m, ±2.25 µm up to 2 m, ±3 µm up to 3 m, ±4 µm up to 5 m

5 m/s

36 mm x 13.5 mm x 10.5 mm

RGH22

Digital: RS422 (5 µm to 50 nm)

Analogue: 1 Vpp (20 µm)

Serial: N/A

RGS20

Up to 50 m

>50 special order only

±15 µm/m (±3 µm/m when 2-point compensation is applied)

10 m/s

44 mm x 27.0 mm x 16.0mm

RGH24

Digital: RS422 (5 µm to 10 nm)

Analogue: 1 Vpp (20 µm)

Serial: N/A

RGS20

Up to 50 m

>50 special order only

±15 µm/m (±3 µm/m when 2-point compensation is applied)

8 m/s

36 mm x 13.5 mm x 14.8mm

RGH25F

Digital: RS422 (5 µm to 5 nm)

Analogue: 1 Vpp (20 µm)

Serial: N/A

RGS20

Up to 50 m

>50 special order only

±15 µm/m (±3 µm/m when 2-point compensation is applied)

5 m/s

36 mm x 13.5 mm x 10.5 mm

RGH34

Digital: RS422 (10 µm to 50 nm)

Analogue: 1 Vpp (40 µm)

Serial: N/A

RGS40

Up to 50 m

>50 special order only

±15 µm/m (±3 µm/m when 2-point compensation is applied)

8 m/s

15 mm x 15 mm x 10.5 mm

RGH40

Digital: RS422 (10 µm to 50 nm)

Analogue: 1 Vpp (40 µm)

Serial: N/A

RGS40-G

Up to 1.01 m

Up to ±4.2 µm

10 m/s

44 mm x 27 mm x 17 mm

RGH41

Digital: RS422 (10 µm to 50 nm)

Analogue: 1 Vpp (40 µm)

Serial: N/A

RGS40

Up to 50 m

>50 special order only

±15 µm/m (±3 µm/m when 2-point compensation is applied)

15 m/s

44 mm x 27 mm x 17.0 mm

RGH45

Digital: RS422 (10 µm to 0.1 µm)

Analogue: 1 Vpp (40 µm)

Serial: N/A

RTLR40

Up to 20 m

Up to ±15 µm/m

10 m/s

44 mm x 27 mm x 17 mm

SiGNUM™

Digital: RS422 (5 µm to 5nm)

Analogue: 1Vpp (20µm)

Serial: N/A

RELM, RSLM

RELM: Up to 1.5 m

RSLM: Up to 5 m

RELM: ±1 µm/m

RSLM: Up to ±1.5 μm (dependant upon length)

12.5 m/s

36 x 16.5 x 14.8 mm

Optical rotary readheads

These tables are available with more details as a printer friendly PDF.

For further information, please refer to the relevant datasheets.

Absolute    

  

Product name

Outputs (resolutions)
(See relevant datasheet for details of angular resolutions)

Scale options

Ring/disc diameter

System accuracy (depending on ring diameter)

Maximum speed (depending on ring size and resolution)

Readhead size
(L x W x H)

RESOLUTE™

Digital: N/A
Analogue: N/A
Serial: BiSS, Mitsubishi, FANUC, DRIVE-CLiQ
(18 bit to 32 bit)

RESA, REXA

RESA: 52 mm to 550 mm

REXA: 52 mm to 417 mm

RESx rings: ±4.28 to ±0.41 arc seconds  
REXx rings: ±4.28 to ±0.41 arc seconds    
(typical installed accuracy with 2 readheads: up to ±1 arc second )

100 m/s
(RESA: up to 36 000 rpm,
RESA with RESOLUTE ETR: 18 000 rpm, REXA: 8 500 rpm)

36 mm x 16.5 mm x 17.2 mm

Incremental 

 

Product name

Outputs (resolutions)
(See relevant datasheet for details of angular resolutions)

Scale options

Ring/disc diameter

System accuracy
(depending on ring diameter)

Maximum speed
(depending on ring size and resolution)

Readhead size
(L x W x H)

VIONiC™

Digital: RS422 (5 µm to 20 nm)
Serial: N/A

RESM, REXM

52 mm to 550 mm

±4.20 to ±0.40 arc seconds

12 m/s

(up to 4 400 rpm)

35 mm x 13.5 mm x 10 mm

VIONiCplus™

Digital: RS422 (0.1 µm to 2.5 nm)
Serial: N/A

RESM, REXM

 

52 mm to 417 mm

±4.05 to ±0.38 arc seconds
(typical installed accuracy with 2 readheads: up to ±1 arc second )

3.63 m/s

(up to 1 330 rpm)

35 mm x 13.5 mm x 10 mm

ATOM™

Digital: RS422 (10 µm to 1 nm)
Analogue: 1 Vpp (20 µm and 40 µm)
Serial: N/A

RCDM

17 mm to108 mm

40 µm: ±19.61 to ±3.25 arc seconds
20 µm: ±9.10 to 3.08 arc seconds

20 m/s (up to 29 200 rpm)

20.5 mm x 12.7 mm x 8.35 mm
(20.5 mm x 12.7 mm x 7.3 mm
for FPC version)

TONiC™

Digital: RS422 (5 µm to 1 nm)
Analogue: 1 Vpp (20 µm)
Serial: N/A

RESM, REXM

RESM: 52 mm to 550 mm
REXM: 52 mm to 417 mm

RESx rings: ±4.28 to ±0.41 arc seconds
REXx rings: ±4.28 to ±0.41 arc seconds
(typical installed accuracy with 2 readheads: up to ±1 arc second )

10 m/s (up to 3 673 rpm)

35 mm x 13.5 mm x 10 mm

RGH20

Digital: RS422 (5 µm to 10 nm)
Analogue: 1 Vpp (20 µm)
Serial: N/A

RESR

52 mm to 550 mm

±5.6 to ±0.5 arc seconds

8 m/s (up to 2 938 rpm)

36 mm x 13.5 mm x 14.8 mm

RGH20F

Digital: RS422 (5 µm to 5 nm)
Analogue: 1 Vpp (20 µm)
Serial: N/A

RESR

52 mm to 550 mm

±5.6 to ±0.5 arc seconds

5 m/s (up to 1 836 rpm)

36 mm x 13.5 mm x 10.5 mm

RGH40

Digital: RS422 (10 µm to 50 nm)
Analogue: 1 Vpp (40 µm)
Serial: N/A

RESR

52 mm to 550 mm

±6.3 to ±0.6 arc seconds

10 m/s (up to 3 687 rpm)

44 mm x 27 mm x 17 mm

SiGNUM™

Digital: RS422 (5 µm to 5nm)
Analogue: 1 Vpp (20µm)
Serial: FANUC

RESM, REXM

RESM: 52 mm to 550 mm
REXM: 52mm to 417 mm

RESx rings: ±4.28 to ±0.41 arc seconds
REXx rings: ±4.28 to ±0.41 arc seconds
(typical installed accuracy with 2 readheads: up to ±1 arc second )

12.5 m/s (up to 4 591 rpm)

36 mm x 16.5 mm x 14.8 mm