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TONiC™ encoder series

The TONiC™ series is a compact, non-contact incremental encoder system that offers speeds up to 10 m/s and, when combined with the Ti interface, resolutions down to 1 nm for both linear and rotary applications. Advanced filtering optics within the readhead give TONiC very low jitter, resulting in excellent positional stability and smoother velocity control. This makes TONiC the ideal encoder for applications where movement must be tightly controlled.

The TONiC encoder also features exceptional signal stability with low Sub-Divisional Error (SDE) to help realise superior motion control performance. TONiC features an integrated set-up LED for intuitive and efficient installation.

Additionally, the TONiC™ encoder series offers a variety of external interfaces that can be configured to meet the speed and resolution requirements of the application. With late-stage integration and configuration of the external interface, one versatile TONiC readhead offers many options for end user customisation.

TONiC™ montage

Very low jitter for stable machine positioning

Jitter noise pictogram

The TONiC™ encoder series features Renishaw's market-proven filtering optics and advanced signal processing. Auto Gain Control (AGC) and Auto Offset Control (AOC) technologies reduce analogue signal noise and digital jitter within the readhead. TONiC encoders deliver exceptionally low signal output jitter of <±0.5 nm RMS and low Sub-Divisional Error (SDE) of <±30 nm, enabling systems to hold position better and generate less heat in linear motor applications.


Fine resolution down to 1 nm

High resolution pictogram

When combined with the optional Ti interface, the TONiC™ encoder series offers ultra-fine resolution down to 1 nm. This capability makes TONiC the ideal choice for applications requiring precise velocity and positional control, especially in low speed applications.


Ultra-High Vacuum and Functional Safety variants

UHV pictogram

The TONiC™ encoder offers a single solution for various applications, with the same exceptional metrology capability offered by TONiC UHV, for Ultra-High Vacuum applications, and TONiC FS, for systems requiring Functional Safety certification to SiL2 and PLd.

Find your TONiC scale option

Standard

Linear

Scale type

Scale name

Accuracy

Scale pitch

Thermal expansion
coefficient at 20 °C

Supplied length

Stainless steel tape with track option

RTLC20 FASTRACK scale

RTLC with optional FASTRACK

±5 µm/m

20 µm

10.1 ±0.2 µm/m/°C

Up to 10 m (> 10 m on request)

Narrow stainless steel tape scale

RKLC20 linear scale

RKLC20-S

±5 µm/m20 µm

Matched to substrate material when scale ends are fixed with end clamps

Up to 20 m (> 20 m on request)

ZeroMet spar

RELM RSLM scale

RELM20/RELE20

±1 µm for up to 1 m, then ±1 µm/m20 µm 0.75 ±0.35 µm/m/°C Up to 1.5 m

Stainless steel spar

RELM RSLM scale

RSLM20/RSLE20/RSLC20

±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 m20 µm 10.1 ±0.2 µm/m/°C Up to 5 m

Partial arc

Scale type

Scale name

Accuracy

Scale pitch

Thermal expansion coefficient at 20 °C

Supplied length

Narrow stainless steel partial arc tape

RKLC partial arc scale

RKLC20-S


±5 µm/m

20 µm

Matched to substrate material when scale ends are fixed with end clamps


Up to 20 m (> 20 m on request)

Rotary

Scale type

Scale name

Accuracy (depending on ring diameter)

Scale pitch

Thermal expansion coefficient at 20 °C

Ring diameter

Stainless steel ring

RESM-REST scale

RESM20/REST20



Graduation accuracy: ±3.97 to ±0.38 arc seconds

20 µm

15.5 ±0.5 µm/m/°C

52 to 550 mm

Ultra-high accuracy stainless steel ring

REXM scale (scale page)
REXM20/REXT20

Installed accuracy:

(≥ 100 mm diameter) ±1 arc second
(75 mm diameter) ±1.5 arc seconds
(≤ 57 mm diameter) ±2 arc seconds

20 µm 15.5 ±0.5 µm/m/°C 52 to 417 mm

Ultra-High Vacuum

Linear

Scale type

Scale name

Accuracy

Scale pitch

Thermal expansion
coefficient at 20 °C

Supplied length

Stainless steel tape with track option

RTLC20 FASTRACK scale

RTLC20 with optional FASTRACK

±5 µm/m

20 µm

10.1 ±0.2 µm/m/°C

Up to 10 m (> 10 m on request)

Narrow stainless steel tape scale

RKLC20 linear scale

RKLC20-S

±5 µm/m20 µm

Matched to substrate material when scale ends are fixed with end clamps

Up to 20 m (> 20 m on request)

ZeroMet spar

RELM RSLM scale

RELM20/RELE20

±1 µm for up to 1 m, then ±1 µm/m20 µm 0.75 ±0.35 µm/m/°C Up to 1.5 m

Stainless steel spar

RELM RSLM scale

RSLM20/RSLE20/RSLC20

±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 m20 µm 10.1 ±0.2 µm/m/°C Up to 5 m

Rotary

Scale type

Scale name

Accuracy (depending on ring diameter)

Scale pitch

Thermal expansion coefficient at 20 °C

Ring diameter

Stainless steel ring

RESM-REST scale

RESM20/REST20



Graduation accuracy: ±3.97 to ±0.38 arc seconds

20 µm

15.5 ±0.5 µm/m/°C

52 to 550 mm

Ultra-high accuracy stainless steel ring

REXM scale (scale page)

REXM20/REXT20

Installed accuracy:

(≥ 100 mm diameter) ±1 arc second
(75 mm diameter) ±1.5 arc seconds
(≤ 57 mm diameter) ±2 arc seconds

20 µm 15.5 ±0.5 µm/m/°C 52 to 417 mm

Functional Safety

Linear

Scale type

Scale name

Accuracy

Scale pitch

Thermal expansion
coefficient at 20 °C

Supplied length

Stainless steel tape with track option

RTLC20 FASTRACK scale

RTLC20 with optional FASTRACK

±5 µm/m

20 µm

10.1 ±0.2 µm/m/°C

Up to 10 m (> 10 m on request)

ZeroMet spar

RELM RSLM scale

RELM20/RELE20

±1 µm for up to 1 m, then ±1 µm/m20 µm 0.75 ±0.35 µm/m/°C Up to 1.5 m

Stainless steel spar

RELM RSLM scale

RSLM20/RSLE20/RSLC20

±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 m20 µm 10.1 ±0.2 µm/m/°C Up to 5 m

Rotary

Scale type

Scale name

Accuracy (depending on ring diameter)

Scale pitch

Thermal expansion coefficient at 20 °C

Ring diameter

Stainless steel ring

RESM-REST scale


RESM20/REST20



Graduation accuracy: ±3.97 to ±0.38 arc seconds

20 µm

15.5 ±0.5 µm/m/°C

52 to 550 mm