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Optical encoder comparison table

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

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

Optical linear readheads

For further information, please refer to the relevant data sheets.

Absolute

Product name

Outputs (resolutions)

Scale options

Scale length

Scale accuracy

Maximum speed

Readhead size
(L x W x H)

RESOLUTE™

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

RTLA30/FASTRACK, RSLA30, RELA30, RKLA30-S


RTLA30: up to 21 m

RSLA30: up to 5 m
RELA30: up to 1.5 m

RKLA30-S: up to 21 m

Up to ±1 µm/m

100 m/s

36 mm x 16.5 mm x 17.2 mm

EVOLUTE™

Digital: N/A
Analogue: N/A
Serial: BiSS C, Mitsubishi, Panasonic, Yaskawa

RTLA50/FASTRACKUp to 10.02 m±10 µm/m

100 m/s

36 mm x 16.5 mm x 17.2 mm

Incremental

Product name

Outputs (resolutions)

Scale options

Scale length

Scale accuracy

Maximum speed

Readhead size

(L x W x H)

QUANTiC™

Digital: RS422 (10 µm to 50 nm)

Analogue: 1 Vpp (40 µm)

Serial: N/A

RTLC40-S,

RTLC40/FASTRACK, RTLC40H-S, RTLC40H/FASTRACK, RKLC40-S/RKLC40H-S

RTLC40-S/RTLC40, RTLC40H-S/RTLC40H: up to 10 m*

RKLC40-S/RKLC40H-S: up to 20 m*

* (longer on request)

RTLC40-S/RTLC40: up to ±15 µm/m

RTLC40H-S/RTLC40H: up to ±5 µm/m

RKLC40-S: ±15 µm/m

RKLC40H-S: ±5 μm/m

24 m/s

35 mm x 13.5 mm x 10 mm

TONiC™

Digital: RS422 (5 µm to 1 nm)

Analogue: 1 Vpp (20 µm)

Serial: N/A

RTLC20-S,

RTLC20/FASTRACK,

RKLC20-S, RELM20, RSLM20

RTLC20-S/RTLC20: up to 10 m*

RKLC20-S: up to 20 m*

RELM20: up to 1.5 m

RSLM20: up to 5 m

RTLC20-S/RTLC20: ±5 μm/m

RKLC20-S: ±5 μm/m

RELM20: ±1 µm/m

RSLM20: up to ±1.5 μm (dependent upon length)

10 m/s

35 mm x 13.5 mm x 10 mm

VIONiC™

Digital: RS422 (5 µm to 2.5 nm)

Serial: N/A

RTLC20-S,

RTLC20/FASTRACK, RKLC20-S, RELM20, RSLM20

RTLC20-S/RTLC20: up to 10 m*

RKLC20-S: up to 20 m*

RELM20: up to 1.5 m

RSLM20: up to 5 m

* (longer on request)

RTLC20-S/RTLC20: ±5 μm/m

RKLC20-S: ±5 μm/m

RELM20: ±1 µm/m

RSLM20: up to ±1.5 μm (dependent upon length)


12 m/s


35 mm x 13.5 mm x 10 mm


ATOM DX™

Digital: RS422 (10 µm to 2.5 nm)

Serial: N/A

RTLF, RCLC, RKLF


RTLF: up to 10 m (longer on request)

RCLC: up to 130 mm

RKLF: up to 10 m

RTLF20/RTLF40H: ±5 μm/m

RTLF40: ±15 μm/m

RCLC: ±3 µm/m

RKLF20/RKLF40H: ±5 µm/m

RKLF40: ±15 μm/m

20 m/s

20.5 mm x 12.7 mm x 10.85 mm

(20.5 mm x 12.7 mm x 7.85 mm for top exit variant)

ATOM™

Digital: RS422 (10 µm to 1 nm)

Analogue: 1 Vpp (20 µm and 40 µm)

Serial: N/A

RTLF, RCLC, RKLF


RTLF: up to 10 m (longer on request)

RCLC: up to 130 mm

RKLF: up to 10 m

RTLF20/RTLF40H: ±5 µm/m

RTLF40: ±15 µm/m

RCLC: ±3 µm/m

RKLF20/RKLF40H: ±5 µm/m

RKLF40: ±15 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)


RGH24

Not recommended for new designs

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

8 m/s

36 mm x 13.5 mm x 14.8mm

RGH34

Not recommended for new designs

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

8 m/s

15 mm x 15 mm x 10.5 mm

RGH40

Not recommended for new designs

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

Not recommended for new designs

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

15 m/s

44 mm x 27 mm x 17.0 mm

RGH45

Not recommended for new designs

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

Optical partial arc readheads

For further information, please refer to the relevant data sheets.

Absolute

Product name

Outputs (resolutions)

Scale options

Scale length

Scale accuracy

Maximum speed

Readhead size
(L x W x H)

RESOLUTE™

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

RKLA30-S

RKLA30-S: 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

Scale accuracy

Maximum speed

Readhead size

(L x W x H)

QUANTiC™

Digital: RS422 (10 µm to 50 nm)

Analogue: 1 Vpp (40 µm)

Serial: N/A

RKLC40-S/RKLC40H-S, RKLR40-S, RKLR40H-S

Up to 20 m (longer on request)

RKLC40-S: ±15 µm/m

RKLC40H-S: ±5 μm/m

RKLR40-S: ±15 µm/m

RKLR40H-S: ±5 μm/m

24 m/s

35 mm x 13.5 mm x 10 mm

TONiC™

Digital: RS422 (5 µm to 1 nm)

Analogue: 1 Vpp (20 µm)

Serial: N/A

RKLC20-S/RKLR20-S

Up to 20 m (longer on request)


±5 μm/m

10 m/s

35 mm x 13.5 mm x 10 mm

VIONiC™

Digital: RS422 (5 µm to 2.5 nm)

Serial: N/A

RKLC20-S/RKLR20-S

Up to 20 m (longer on request)

±5 μm/m


12 m/s


35 mm x 13.5 mm x 10 mm


ATOM DX™

Digital: RS422 (10 µm to 2.5 nm)

Serial: N/A

RKLF40

Up to 20 m (longer on request)

±15 μm/m

20 m/s

20.5 mm x 12.7 mm x 10.85 mm

(20.5 mm x 12.7 mm x 7.85 mm for top exit variant)

ATOM™

Digital: RS422 (10 µm to 1 nm)

Analogue: 1 Vpp (20µm and 40 µm)

Serial: N/A

RKLF40


Up to 20 m (longer on request)

±15 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)


Optical rotary readheads

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 C, FANUC, Mitsubishi, Panasonic, Siemens DRIVE-CLiQ, Yaskawa
(18 bit to 32 bit)

RESA30, REXA30

RESA30: 52 mm to 550 mm

REXA30: 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
(RESA30: up to 36 000 rpm,
RESA30 with RESOLUTE ETR: 18 000 rpm, REXA30: 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/disc size)

Maximum speed
(depending on ring/disc size and resolution)

Readhead size
(L x W x H)

QUANTiC™

Digital: RS422 (10 µm to 50 nm)

Analogue: 1 Vpp (40 µm)

Serial: N/A

RESM40

52 mm to 550 mm

±4.6 to ±0.5 arc seconds

24 m/s

(up to 8 800 rpm)

35 mm x 13.5 mm x 10 mm

TONiC™

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

RESM20, REXM20

RESM20: 52 mm to 550 mm
REXM20: 52 mm to 417 mm

RESx rings: ±4.3 to ±0.5 arc seconds
REXx rings: ±4.3 to ±0.5 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

VIONiC™

Digital: RS422 (5 µm to 2.5 nm)
Serial: N/A

RESM20, REXM20

RESM20: 52 mm to 550 mm

REXM20: 52 mm to 417 mm

RESx rings: ±4.3 to ±0.5 arc seconds
REXx rings: ±4.3 to ±0.5 arc seconds
(typical installed accuracy with 2 readheads: up to ±1 arc second )

12 m/s

(up to 4 400 rpm)

35 mm x 13.5 mm x 10 mm

ATOM DX™

Digital: RS422 (10 µm to 2.5 nm)

Serial: N/A

RCDM, CENTRUM™ CSF40

RCDM: 17 mm to108 mm

CENTRUM CSF40:

Fixing options:

Bolts: 38.4 mm to 120 mm

Clamp: 31 mm to 120 mm

RCDM:

40 µm: ±19.7 to ±3.3 arc seconds
20 µm: ±9.1 to 3.1 arc seconds

CENTRUM CSF40:

40 µm: ±10.6 to ±2.2 arc seconds

20 m/s

(RCDM:

up to 29 300 rpm)

(CENTRUM CSF40:

up to 15 800 rpm)

20.5 mm x 12.7 mm x 10.85 mm

(20.5 mm x 12.7 mm x 7.85 mm for top exit variant)

ATOM™

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

RCDM, CENTRUM CSF40

RCDM: 17 mm to108 mm

CENTRUM CSF40:

Fixing options:

Bolts: 38.4 mm to 120 mm

Clamp: 31 mm to 120 mm

RCDM:
40 µm: ±19.7 to ±3.3 arc seconds

20 µm: ±9.1 to ±3.1 arc seconds

CENTRUM CSF40:
40 µm: ±10.6 to ±2.2 arc seconds

20 m/s

(RCDM:

up to 29 300 rpm)

(CENTRUM CSF40:

up to 15 800 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)

RGH40

Not recommended for new designs

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

RESR40

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