General Specifications; Scale Specifications; Rtlf Tape Scale; Rclc Glass Spar Scale - Renishaw ATOM DX Series Installation Manual

General specifications

Power supply
5 V −5 /+10% Typically <200 mA fully terminated
Ripple 200 mVpp maximum@frequency up to 500 kHz
Temperature Storage −20 °C to +70 °C
Operating 0 °C to +70 °C
Humidity
Sealing
Acceleration
Operating 400 m/s², 3 axes
(system)
Shock
Operating 1000 m/s², 6 ms, ½ sine, 3 axes
(system)
Vibration Operating 100 m/s² max @ 55 Hz to 2000 Hz, 3 axes
Mass Standard readhead 3.2 g
Top exit readhead 2.9 g
Cable 18 g/m
Cable
Cabled connector options
Top exit readhead connector
Typical Sub-Divisional
20 µm version <±75 nm
Error (SDE)
40 µm version <±120 nm
Renishaw encoder systems have been designed to the relevant EMC standards but must be correctly
integrated to achieve EMC compliance. In particular, attention to shielding arrangements is essential.
ATOM DX
linear installation guide
Power from a 5 V dc supply complying with the requirements
for SELV of standard IEC BS EN 60950-1
95% relative humidity (non-condensing) to EN 60068-2-78
IP40
10 core, high flex, EMI screened cable, outside diameter
3.5 mm maximum
Flex life >20 × 10 6 cycles at 20 mm bend radius,
maximum length 3 m
(Extension cable up to 25 m when using Renishaw approved
extension cable)
UL recognised component
Top exit cables available in lenghts from 0.5 m to 3 m
with 15 way D-type or 10 way JST (SH) connector options.
9 way D-type
15 way D-type (standard and alternative pin out)
10 way JST (SH)
10 way JST (SUR)

Scale specifications

RTLF tape scale

Material Hardened and tempered martensitic stainless steel fitted with a self-adhesive
backing tape
Form 0.41 mm × 8 mm (including adhesive)
(H × W)
Datum fixing Adhesive datum clamp (A-9585-0028) secured with Loctite
Reference mark Auto-phase optical reference mark repeatable to unit of resolution throughout
specified speed and temperature range.
Customer de-selectable reference marks at 50 mm spacing
Reference mark in the centre of scale for lengths <100 mm
Accuracy
(at 20 °C)
Scale pitch
20 µm
40 µm (high accuracy)
40 µm
Coefficient of thermal 10.1 ±0.2 μm/m/°C
expansion
(at 20 °C)
Length
10 mm to 90 mm in 10 mm increments
100 mm to 10 m in 50 mm increments (>10 m available on request)
Measuring length = Overall length L − 3 mm
Mass 12.2 g/m

RCLC glass spar scale

Material Soda lime glass fitted with a self-adhesive backing tape
Form 1.1 mm × 6.35 mm (including adhesive)
(H × W)
Datum fixing Fillet of adhesive (A-9531-0342) on one side of the scale
Reference mark Auto-phase optical reference mark repeatable to unit of resolution throughout
specified speed and temperature range.
Either mid or one end of travel; determined by orientation of the readhead
Accuracy
(at 20 °C)
Scale pitch
20 µm
40 µm
Coefficient of thermal ~8 μm/m/°C
expansion
Length
Overall length L (mm)
Measuring length (mm)
Mass
13.9 g/m
*
For information on scale and readhead part numbers refer to the ATOM DX data sheet.
435
®
Scale part number *
Accuracy
±5 µm/m A-9406-xxxx
±5 µm/m A-9408-xxxx
±15 µm/m A-9407-xxxx
Scale part number *
Accuracy
±3 µm A-9404-2xxx
±3 µm A-9404-4xxx
10 18 30 55 80 100 105
7 15 27 52 77 97 102
130
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