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13 Product specification
Measuring standard
Renishaw stainless-steel scale with single track absolute
encoding
Coefficient of thermal expansion
10.1 ±0.2 μm/m/°C
(at 20 °C)
Thermal datum
At centre position (encoder position of 0.5 × measuring
length)
Measuring lengths available (mm)
70, 120, 170, 220, 270, 320, 370, 420, 470, 520, 570,
620, 670, 720, 770, 820, 920, 1020, 1140, 1240, 1340,
1440, 1540, 1640, 1740, 1840, 2040
(mounting spar available – recommended for
> 620 mm length)
Accuracy grades
High grade: ≤ ±3 μm
Standard grade: ≤ ±5 μm
Resolution
1
1 nm, 10 nm, 50 nm
Sub-Divisional Error (typical)
±40 nm
Jitter (RMS)
10 nm
Absolute position serial interface
BiSS Safety
Siemens DRIVE-CLiQ (with external interface)
Encoder electrical connection
Cable connector M12 custom
Controller electrical connection
8‑way M12, 9‑way D‑Type, flying lead
Cable length
See
Power supply
See
44
Set-up LED
See section
Resolution per accuracy grade and serial interface – standard options
1
Accuracy grade
Serial interface
3 µm
BiSS Safety, Siemens DRIVE-CLiQ
5 µm
BiSS Safety, Siemens DRIVE-CLiQ
24
FORTiS-N Functional Safety enclosed encoder system – original instructions
section 16.2
on page
40
section 16.3
on page
42
and
section 16.4
on page
section 15.7
on page
38
Resolution
1 nm
10 nm
50 nm
Maximum speed
4 m/s
Acceleration
< 200 m/s² in measuring direction
(readhead relative to scale)
Moving force
< 4 N
(maximum force required to move
the readhead through the seals)
Vibration (55 Hz to 2 000 Hz)
Readhead: < 300 m/s² to IEC 60068‑2‑6
Housing without mounting spar: < 200 m/s² to IEC 60068‑2‑6
Housing with mounting spar: < 300 m/s² to IEC 60068‑2‑6
Shock 11 ms half-sine
< 300 m/s² IEC 60068‑2‑27
Operating temperature
0 °C to 50 °C
Storage temperature
–20 °C to 70 °C
Environment protection
IP53 when installed correctly, IP64 with air purge
Protection class III
Pollution degree II
Altitude 2000 m
EMC immunity
IEC 61800‑5‑2:2016 Electromagnetic immunity requirement
for safety related systems – Annex E, second environment
Air purge requirements
Air supply pressure = 1 bar at encoder
At correct supply pressure the supplied air connection fitting
restricts the air flow rate to 2 l/min
Air quality: see section 15.8
Weight
0.11 kg + 0.45 kg/m
IMPORTANT: Specifications are subject to the correct installation procedures as set out in this
installation guide. If in doubt, contact your local Renishaw representative.
on page
39
for details
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