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 RESM angle encoder offers accuracy, resolution, and repeatability at high speed and high temperature. It also offers ultra-low cyclic error and the IN-TRAC™ optical reference mark. The RESM angle encoder offers performance to suit the most demanding precision applications.
The TONiC incremental encoder range includes a variety of 'standard' special products which are designed to match the demands of particular rotary applications. Furthermore, Renishaw can provide a number of customer-specific modifications to meet your needs, please contact your local representative to discuss custom options.
TONiC™ is also available as a linear encoder. RESM ring features and benefits
 The RESM ring is a one-piece stainless steel ring with 20 µm scale marked directly on the periphery, which features the IN-TRAC™ auto-phase optical reference mark. The low profile RESM is available in a wide range of sizes (Ø52 mm to Ø550 mm) and line counts, all of which feature a large internal diameter for flexible integration.
- IN-TRAC™ auto-phase optical reference mark, bi-directionally repeatable at operational speeds over 3,600 rev/min (Ø52 mm) and up to 70°C
- A wide range of diameters and line counts provide compatibility with industry standard controllers (Ø52 mm to Ø550 mm with line counts from 8,192 to 86,400)
- Patented taper mount minimizes installation errors and simplifies integration
- Graduation accuracy to ±0.5 arc second and system repeatability to 0.02 arc second (20 nm TONiC™ system with a Ø413 mm ring)
- 10 mm x 10 mm small cross section ring
- Low mass, low inertia design enhances system accuracy and dynamic performance
- One piece stainless steel ring withstands vibration, mechanical and thermal shock, and thermal overload
- For even higher acceleration and deceleration, and faster settling times, extra-low inertia 'B' section rings are available
- For partial arc applications, customer positioned, dual optical limits are available
TONiC™ T2000 readhead & Ti interface features and benefits
 Cyclic error of ±30 nm, offering ‘fine pitch’ encoder performance- Compact dimensions - 10.0 mm x 35.0 mm x 13.5 mm (H x L x W)
- Excellent signal stability in conditions unsuitable for most open optical encoders
- User selectable gain control (AGC) maintains 1 Vpp analogue signal amplitude
- Capable of operation up to 10 m/s and 70 °C
- New! Low noise (jitter) filtering optics for improved positional stability
- Industry standard analogue and digital outputs
- Integral LEDs on readhead and interface for optimum set-up and system diagnosis
- High flex UL approved cable – up to 10 m between readhead and interface
- Fully RoHS compliant
Technical specifications
| Readhead dimensions |
10.0 mm x 35.0 mm x 13.5 mm (H x L x W) |
| Outputs (resolution) |
RS422: 5 µm, 1 µm, 0.5 µm, 0.2 µm, 0.1 µm, 50 nm, 20 nm, 10 nm, 5 nm, 1 nm
Analogue: 1Vpp |
| Reference mark |
IN-TRAC™ auto-phase optical |
| Maximum speed |
3,600 rev/min |
| Ride height tolerance |
2.1 ±0.15 mm |
| Scale types |
RESM & REXM rotary (also available with linear RGSZ gold tape scale, RELM Invar spar, RSLM stainless steel linear) |
| Vacuum compatible |
No | System accuracy - 20 µm pitch RESM and TONiC™ | Nominal outside diameter (mm) | System accuracy (arc second) | | 52 | 4.28 | | 57 | 3.91 | | 75 | 2.97 | | 100 | 2.23 | | 101 | 2.21 | | 103 | 2.16 | | 104 | 2.14 | | 115 | 1.94 | | 150 | 1.49 | | 200 | 1.11 | | | Nominal outside diameter (mm) | System accuracy (arc second) | | 206 | 1.08 | | 209 | 1.07 | | 229 | 0.97 | | 255 | 0.87 | | 300 | 0.74 | | 350 | 0.64 | | 413 | 0.54 | | 417 | 0.53 | | 489 | 0.46 | | 550 | 0.41 | | Note: system error is graduation error plus sub-divisional error (SDE). Effects such as eccentricity influence installed performance; for application advice please contact Renishaw. |
