Renishaw ATOM User Manual

72
ATOM linear encoder system
Power supply 5V ±10% ATOM readhead typically <50mA
ATOM with ACi typically <100mA
ATOM with Ri typically <100mA
ATOM with Ti typically <200mA
For analogue outputs a further 10mA in total will be drawn when terminated with 120R.
For digital outputs a further 25mA per channel pair (e.g. A+, A−) will be drawn when terminated with 120R.
Power from a 5Vdc supply complying with the requirements for SELV or standard IEC60950-1.
Ripple 200mVpp maximum @ frequency up to 500kHz
Temperature Storage −20°C to +70°C
Installation (RKLF) +10°C to +35°C
1
Operating 0°C to +70°C
Humidity 95% relative humidity (non-condensing) to IEC60068-2-78
Sealing
Cable variant IP40 Ri interface IP20
FPC variant IP20 (with lid tted) Ti interface IP20
Acceleration (scale and readhead) Operating 400m/s², 3axes
Shock (scale and readhead) Operating 1000m/s², 6ms, ½sine, 3axes
Vibration Operating 100m/s² max @ 55Hz to 2000Hz, 3axes
Mass FPC readhead 2.3g Cable readhead 4g
Cable 18g/m ACi 4g
Ri 70g Ti 100g
Readhead cable 10 core, high ex, EMI screened cable
Outside diameter 3.5mm maximum
Flex life >20 × 10
6
cycles at 20mm bend radius
Maximum length 5m
(Extension cable up to 10m when using Renishaw approved extension cable)
UL recognised component
FPC cable 16 core, 0.5mm pitch
Minimum exposed conductor length 1.5mm
Maximum exposed conductor length 2.5mm
Maximum length 1m
Connector options Cable variants Interboard connector compatible with the Ri, Ti and ACi (cablevariant) series interfaces
15-way, D-type connector
FPC
16 core, 0.5mm pitch, compatible with ACi (FPC variant)
Typical sub-divisional error (SDE)
(analogue)
40µm version <±120nm
20µm version <±75nm
General specications
1
To limit maximum tension in the scale (CTE
substrate
− CTE
scale
) × (T
use extreme
− T
install
) ≤550μm/m where CTE
scale
= ~ 10.1μm/m/°C
CAUTION: 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.
NOTE: Current consumption gures
refer to unterminated systems.

Renishaw ATOM Specifications

General

Brand	Renishaw
Model	ATOM
Category	Media Converter
Language	English