VIONiC REXM20/REXT20 installation guide
17
General specifications
Power supply
5 V −5%/+10%
Typically 200 mA fully terminated
Power from a 5 Vdc supply complying with the requirements
for SELV of standard IEC 60950‑1
Ripple
200 mVpp maximum @ frequency up to 500 kHz
Temperature
Storage
−20 °C to +70 °C
Operating 0 °C to +70 °C
Humidity
95% relative humidity (non‑condensing) to IEC 60068‑2‑78
Sealing
IP40
Acceleration
(system)
Operating
400 m/s², 3 axes
Shock
(system)
Operating
500 m/s², 11 ms, ½ sine, 3 axes
Vibration
(system)
Operating
100 m/s² max @ 55 Hz to 2000 Hz, 3 axes
Mass
Readhead 8.6 g
Cable 26 g/m
Readhead cable
Single-shielded, outside diameter 4.25 ±0.25 mm
Flex life > 20 × 10
6
cycles at 30 mm bend radius
UL recognised component
Maximum readhead
cable length
*
3 m
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.
Ring technical specifications
Pitch
20 µm
Material
303/304 stainless steel
Coefficient of thermal expansion
(at 20 °C)
15.5 ±0.5 µm/m/°C
Temperature
Storage:
–20 °C to +70 °C
Operating: 0 °C to +70 °C
*
Extension cables available. Contact your local Renishaw representative for further details.