Optical encoder comparison table

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

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

100 m/s

36 mm x 16.5 mm x 17.2 mm

Product name

Outputs (resolutions)

Scale options

Scale length

Scale accuracy

Maximum speed

Readhead size

(L x W x H)

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

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

Product name

Outputs (resolutions)

Scale options

Scale length

Scale accuracy

Maximum speed

Readhead size

(L x W x H)

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)

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

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)

Digital: RS422 (10 µm to 50 nm)

Analogue: 1 Vpp (40 µm)

Serial: N/A

52 mm to 550 mm

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

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