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RESOLUTE™ encoder series

The RESOLUTE series is a true-absolute fine-pitched optical encoder system that has excellent dirt immunity, and an impressive specification that breaks new ground in position feedback. It is the world's first absolute encoder capable of 1 nm resolution up to 100 m/s for linear systems, and 32-bit resolution up to 36 000 rpm for rotary systems. Ultra low Sub-Divisional Error and jitter result in a linear encoder system that outperforms any other encoder in its class.

Additionally, it is available in 3 more application-specific variants:

  • RESOLUTE UHV (Ultra-High Vacuum) brings absolute encoder technology to ultra-high vacuum applications up to 10-10 Torr, allowing customers to achieve higher throughput, reduce risks of damage and increase dependability.
  • RESOLUTE ETR (Extended Temperature Range) is a true-absolute fine-pitched optical encoder system that is able to operate in environments with extreme high and low temperatures.
  • RESOLUTE FS (Functional Safety) is certified to SIL2 and PLd for Functional Safety applications.

RESOLUTE is compatible with the optional Advanced Diagnostic Tool ADTa-100 and ADT View software: these provide real-time encoder data feedback to aid encoder installation and in-field fault finding.

Website cameo: RESOLUTE readhead

Find your RESOLUTE scale option

Standard

Linear

Scale type

Scale name

Accuracy

Scale pitch

Thermal expansion coefficient at 20 °C

Supplied length

RTLA FASTRACK scale

Stainless steel tape with track option


RTLA30 with optional FASTRACK™

±5 µm/m

30 µm

10.1 ±0.2 µm/m/°C

Up to 21 m


Narrow stainless steel tape

RKLA linear scale

RKLA30-S

±5 µm/m

30 µm

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

Up to 21 m

ZeroMet™ spar

RELA scale

RELA30 ±1 µm for up to 1 m, then ±1 µm/m

30 µm

0.75 ±0.35 µm/m/°C

Up to 1.5 m

Stainless steel spar

RELA scale

RSLA30

±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

30 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

RKLA partial arc scale

RKLA30-S

±5 μm/m


30 µm

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

Up to 21 m

Rotary

Scale type

Scale name


Accuracy

(depending on ring diameter)

Scale pitch

Thermal expansion coefficient at 20 °C

Ring diameter

Stainless steel ring

RESA scale (scale page)

RESA30


Graduation accuracy: 4 to 0.4 arc seconds

30 µm

15.5 ±0.5 µm/m/°C

52 to 550 mm


Ultra-high accuracy stainless steel ring

REXA scale (scale page)

REXA30

Installed accuracy:

(≥100 mm diameter)

±1 arc second
(75 mm diameter)

±1.5 arc seconds
(≤57 mm diameter)

±2 arc seconds

30 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

RTLA FASTRACK scale

Stainless steel tape with track option


RTLA30 with optional FASTRACK™

±5 µm/m

30 µm

10.1 ±0.2 µm/m/°C

Up to 21 m


ZeroMet™ spar

RELA scale

RELA30 ±1 µm for up to 1 m, then ±1 µm/m

30 µm

0.75 ±0.35 µm/m/°C

Up to 1.5 m

Stainless steel spar

RELA scale

RSLA30

±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

30 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

RESA scale (scale page)

RESA30


Graduation accuracy: 4 to 0.4 arc seconds

30 µm

15.5 ±0.5 µm/m/°C

52 to 550 mm


Ultra-high accuracy stainless steel ring

REXA scale (scale page)

REXA30

Installed accuracy:

(≥100 mm diameter)

±1 arc second
(75 mm diameter)

±1.5 arc seconds
(≤57 mm diameter)

±2 arc seconds

30 µm

15.5 ±0.5 µm/m/°C

52 to 417 mm

Extended Temperature Range

Rotary

Scale type

Scale name


Accuracy

(depending on ring diameter)

Scale pitch

Thermal expansion coefficient at 20 °C

Ring diameter

Stainless steel ring

RESA scale (scale page)

RESA30


Graduation accuracy: 4 to 0.4 arc seconds

30 µm

15.5 ±0.5 µm/m/°C

52 to 550 mm


Ultra-high accuracy stainless steel ring

REXA scale (scale page)

REXA30

Installed accuracy:

(≥100 mm diameter)

±1 arc second
(75 mm diameter)

±1.5 arc seconds
(≤57 mm diameter)

±2 arc seconds

30 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

RTLA FASTRACK scale

Stainless steel tape with track option


RTLA30 with optional FASTRACK™

±5 µm/m

30 µm

10.1 ±0.2 µm/m/°C

Up to 21 m


ZeroMet™ spar

RELA scale

RELA30 ±1 µm for up to 1 m, then ±1 µm/m

30 µm

0.75 ±0.35 µm/m/°C

Up to 1.5 m

Stainless steel spar

RELA scale

RSLA30

±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

30 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

RESA scale (scale page)

RESA30


Graduation accuracy: 4 to 0.4 arc seconds

30 µm

15.5 ±0.5 µm/m/°C

52 to 550 mm


Ultra-high accuracy stainless steel ring

REXA scale (scale page)

REXA30

Installed accuracy:

(≥100 mm diameter)

±1 arc second
(75 mm diameter)

±1.5 arc seconds
(≤57 mm diameter)

±2 arc seconds

30 µm

15.5 ±0.5 µm/m/°C

52 to 417 mm

Optional Advanced Diagnostic Tool ADTa-100

Advanced Diagnostic Tool ADTa-100

RESOLUTE encoder readheads (marked with the ADT symbol) are compatible with the Advanced Diagnostic Tool ADTa-100 and ADT View software. They provide comprehensive real-time encoder data feedback to aid more challenging installations and diagnostics. The intuitive software interface can be used for:

  • Remote calibration
  • Signal optimisation over the entire axis length
  • Digital readout of encoder position (relative to the scale)
  • Exporting and saving data
  • Setting zero