General Specifications - Renishaw TONiC DOP Installation Manual

General specifications

Power supply 5 V ±10% Readhead only <100 mA
System <275 mA
NOTE: Current consumption figures refer to
unterminated systems.
For digital outputs a further 25 mA per channel pair
(eg A+, A-) will be drawn when terminated with 120 Ω.
For analogue outputs, a further 20 mA in total will be
drawn when terminated with 120 Ω.
Power from a 5 V dc supply complying with the
requirements for SELV of standard EN (IEC) 60950.
Ripple 200 mVpp maximum @ frequency up to 500 kHz
Temperature Storage -20 °C to +70 °C
(system)
Operating 0 °C to +70 °C
Sealing IP40
(readhead)
IP30
(interface)
Acceleration Operating 500 m/ s
(readhead)
(IEC 68-2-7:1983)
Shock Non-operating 1000 m /s
(system)
(IEC 68-2-27:1987)
Vibration Operating 100 m/ s
(system)
(IEC 68-2-6:1995)
Mass Readhead 10 g
Interface
Cable
Environmental Compliant with EU Directive 2002/95/EC (RoHS)
Readhead cable
Double shielded, outside diameter 4.25 ±0.25 mm.
Flex life >20 x 10
UL recognised component
Maximum cable length
Readhead to interface 10 m
Interface to controller
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.
2 BS EN 60068-2-7:1993
2 , 6 ms, ½ sine BS EN 60068-2-27:1993
2 , 55 Hz to 2000 Hz BS EN 60068-2-6:1996
205 g
26 g/m
6
cycles at 20 mm bend radius.
Receiver clock Maximum
frequency (MHz) cable length (m)
40 to 50 25
<40 50
analogue 50
Speed
Minimum receiver
DOP DOP
DOP
clock frequency
0004 0020 0040
(MHz)
5 µm 1 µm 0.5 µm
50
10 10 10
40 10 10 10
25 10 10 8.10
20 10 10 6.75
12 10 9 4.50
10
10 8.10 4.05
8 10 6.48 3.24
6 10 4.50 2.25
4
10 3.37 1.68
1 4.2 0.84 0.42
Analogue output
Angular speed depends on ring diameter - use the following equation to convert to rev/min.
V x 1000 x 60
Angular speed (rev/min) = Where V = maximum linear speed (m/s) and D = external diameter of RESM or REXM (mm)
π
D
Maximum speed (m/s)
DOP DOP DOP DOP DOP
0100 0200 0400 1000 2000
0.2 µm 0.1 µm 50 nm 20 nm 10 nm
6.48 3.24 1.62 0.648 0.324
5.40 2.70 1.35 0.540 0.270
3.24 1.62 0.810 0.324 0.162
2.70 1.35 0.675 0.270 0.135
1.80 0.900 0.450 0.180 0.090
1.62 0.810 0.405 0.162 0.081
1.29 0.648 0.324 0.130 0.065
0.90 0.450 0.225 0.090 0.045
0.67 0.338 0.169 0.068 0.034
0.16 0.084 0.042 0.017 0.008
10 (-3dB)
DOP DOP DOP
4000 10KD 20KD
5 nm 2 nm 1 nm
0.162 0.065 0.032
0.135 0.054 0.027
0.081 0.032 0.016
0.068 0.027 0.013
0.045 0.018 0.009
0.041 0.016 0.0081
0.032 0.013 0.0065
0.023 0.009 0.0045
0.017 0.0068 0.0034
0.004 0.0017 0.0008