Incremental Encoder Interface provides analog/digital signals.

Press Release Summary:

Suited for applications requiring one or more operations to be synchronized with motion axis, TONiC(TM) Dual Output (DOP) encoder interface provides simultaneous digital quadrature and analog 1 Vp-p signals via 26-way D-type connector. Total encoder system comprises TONiC readhead, DOP interface, as well as various linear and rotary scales. Compatible with range of scale options, it reduces system complexity and interpolation with CORDIC algorithms boosts system performance.

Original Press Release:

News from Renishaw - New Dual Output Incremental Encoder Interface Simultaneously Provides Analogue and Digital Signals

Designed for applications requiring one or more operations to be synchronised with a motion axis, Renishaw's TONiC(TM) Dual Output (DOP) encoder interface provides simultaneous digital quadrature and analogue 1 Vpp signals via a 26-way D-type connector. Typically, the interface is connected so that the analogue signals are wired to the motion controller, whilst the digital signals (with resolutions to 5 nm) are routed to the timing circuit of a synchronised operation, such as a camera flash on an inspection machine.

TONiC DOP allows the assembly of relevant systems to be significantly less complex, yet boosts performance thanks to high-speed interpolation with advanced CORDIC algorithms. When combined with the TONiC encoder's low-noise optical scheme and dynamic signal processing, the system provides higher speed, reduced jitter, improved repeatability and enhanced velocity control.

The total encoder system comprises a TONiC readhead, a DOP interface which includes the interpolation electronics to match the fit and form of Renishaw's SiGNUM(TM) Si interface, and a variety of high-performance linear and rotary scales to suit a wide range of applications.

TONiC incremental linear encoders are compatible with a range of scale options, including gold tape scale with integral optical reference marks, Invar® spars with "zero" thermal expansion and ±1 µm accuracy on lengths up to 1130 mm, and robust stainless steel spars for very high accuracy on long axes. The latest addition to the range is the new FASTRACK(TM) RTLC linear encoder scale system, designed for ruggedness, easy installation and rapid scale replacement, combined with ±5 µm/m accuracy.

Rotary/angle encoder options are also well served, with RESM rings available in a range of standard diameters from 52 mm to 550 mm, with even larger sizes available as special order items. Furthermore, ultra-high accuracy REXM rings have a total installed accuracy better than ±1 arc second on ring diameters greater than 100 mm, when used with dual readheads.

As with all Renishaw encoders, TONiC incremental encoders are backed by a truly responsive global sales and support network. Furthermore the product satisfies the highest environmental standards, with both WEEE and RoHS compliance.

Invar® is a registered trademark of Arcelor Mittal.

For more information about Renishaw's full range of encoder products visit

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