Renishaw RGH40 RESR40, Руководство по установке, Страница: 16 / 17

RGH40 RESR installation guide
14
General specifications
Power supply 5 V ± 5% RGH40A, T, D, G and X <120 mA
RGH40N, W, Y and H <150 mA
NOTE: Current consumption figures refer to unterminated readheads.
For digital outputs a further 35 mA per channel pair (e.g. A+, A − ) will
be drawn when terminated with 120
Ω
.
For analogue outputs a further 20 mA will be drawn when terminated
with 120
Ω
.
Power from a 5 V dc supply complying with the requirements for SELV
of standard IEC BS EN 60950-1.
Ripple 200 mVpp@frequency up to 500 kHz maximum.
Temperature
Storage −20 °C to +70 °C
Operating 0 °C to +55 °C
Humidity
95% relative humidity (non-condensing) to EN 60068-2-78
Sealing IP50
Acceleration Operating 500 m/s 2 , 3 axes
Shock
Non-operating 1000 m/s 2 , 6 ms, ½ sine, 3 axes
Vibration Operating 100 m/s
2
max @ 55 Hz to 2000 Hz, 3 axes
Mass
Readhead 50 g
Cable 38 g/m
Cable 12 core, double shielded, outside diameter 4.5 ±0.2 mm.
Flex life >20 × 10
6
cycles at 50 mm bend radius.
The RGH40 series readheads have been designed to the relevant EMC standards, but must be correctly
integrated to achieve EMC compliance. In particular, attention to shielding and earthing arrangements
is essential.
Ring technical specifications
Material 303/304 stainless steel
Coefficient of thermal
expansion
(at 20 °C)
15.5 ±0.5 µm/m/°C
Scale period 40 µm
Available diameters
52 mm, 57 mm, 75 mm, 100 mm, 103 mm, 104 mm, 115 mm,
150 mm, 200 mm, 206 mm, 209 mm, 229 mm, 255 mm, 300 mm,
350 mm, 413 mm, 417 mm, 489 mm, 550 mm
Temperature
Determined by readhead