L-9517-9563-06-A_Data_sheet_ATOM_en.pdf - 第3页

3 A TOM miniature encoder system • 20µm and 40µm readheads with high-ex cable: For gener al pur pose applications. Superior quality cable tested to 20million e x cycles. • 20µm and 40µm readheads with FPC cable: S…

2 ATOM miniature encoder system

• Need higher speed?

ATOM is the fastest encoder in its class, with maximum speeds up to 20m / s and arange of high-speed

interpolation options fordigitalversions.

• Need higher accuracy?

ATOM offers linear tape scales with specied overall accuracy to ±5µm / m at 20°C, without theneed for 2-point

compensation that competitor encoders require.

• Need improved positional stability and repeatability?

ATOM has low noise (jitter), allowing users to increase servo-loop gain without instability, whilst reaping other

dynamic performance benets such asfaster settling times and higher acceleration.

• Need smoother velocity control?

Reduce velocity ripple, improve scanning performance, reduce blur on vision systems and image capturing – all

thanks to ATOM’s superior optical scheme and integral AOC.

System features

High performance

Lissajous stability

ATOM features a miniaturized version of Renishaw’s unique ltering optics that are usedin the TONiC

™

encoderrange.

This optical scheme is tuned to a specic spatial frequency, so it rejects other harmonics, including those caused

by dirt or other contaminants. The result is a Lissajous with high purity, that retains its delity even when thescale

isexposed to contamination: ideal for applications where reliability is critical.

3 ATOM miniature encoder system

• 20µm and 40µm readheads with high-ex cable:

For general purpose applications. Superior quality cable tested to 20million ex cycles.

• 20µm and 40µm readheads with FPC cable:

Side exit FPC cable allows the smallest overall package size.

• Stainless steel tape scale (RKLF):

Linear scale that can be wrapped around drums, arcsorshafts with radii down to26mm.

• Stainless steel tape scale (RTLF):

High-accuracy linear scale with graduations directly marked onto the steel tape surface. Available on reels for cut-to-suitexibility.

• Glass linear spars (RCLC):

Conventional glass spars, available in lengths up to 130mm.

• Glass discs (RCDM):

High-accuracy rotary scales with outer diameters down to17mm.

Product range

Stainless steel tape scale (RKLF)

Glass discs (RCDM)Stainless steel tape scale (RTLF)

20µm and 40µm readheads with FPC cable

4 ATOM miniature encoder system

ATOM interface options

ATOM readheads are available in three versions all giving industry standard analogue output:

• High ex cable terminated with a 15-way D-type connector for high-volume users requiring analogue outputs.

NOTE: A CAL button is not included on this option. Refer to the installation guide for details on how to calibrate.

• High-ex cable terminated with a T-type interboard connector for use with ACi / Ri / Ti interfaces.

• FPC connector for use with ACi interface or direct connection to user electronics.

Ti interfaces are designed for applications that require higher

speed, lower SDE, digital interpolation down to1nm resolution

and include a CAL button. Clocked outputs have been optimised

for speed and performance at all resolutions for industry-standard

controllers. Analogue variants are also available.

Ri interfaces are contained within an industry standard

15-wayD-type connector shell, including CAL button. Theyoffer

digital interpolation down to 50nm (clocked) and 0.5µm

(non-clocked). Analogue variants are also available.

ACi interfaces are a range of high performance, miniature,

open interpolator subsystems. They bring unparalleled

price-performance benets to today’s motion systems that need

ne resolution coupled to high speed performance in anultra

compact, open format, small footprint solution and have provision

for calibrating the system. Digital interpolation down to 10nm

at up to 40MHz clocked output is available. FPC or cable input

versions available.