Encoder characteristics
Incremental
MRP 8080
Absolute
MRP 8010
Measuring standard
OPTODUR circular scale
DIADUR circular scale
Signal periods
63 000
32 768
System accuracy*
±1” or ±2”
Position error per signal period
±0.10”
±0.20”
Repeatability
From both directions: 0.2”
From both directions: 0.5”
RMS position noise
Typically 0.003”
Typically 0.010”
Interface
? 1 VPP
EnDat 2.2
Ordering designation
–
EnDat22
Position values per revolution
–
29 bits
Clock frequency
Calculation time tcal
–
? 16 MHz
? 5 µs
Reference marks
150 (distance-coded)
–
Cutoff frequency –3 dB
? 500 kHz
–
Electrical connection
1.5 m cable with 15-pin D-sub connector; interface electronics integrated into the connector
15-pin header; adapter cable with quick connector as accessory
Cable length
? 30 m (with HEIDENHAIN cable)
Supply voltage
DC 5 V ±0.25 V
DC 3.6 V to 14 V
Power consumption (max.)
5.25 V: ? 950 mW
3.6 V: ? 1.1 W
14 V: ? 1.3 W
Current consumption (typical)
175 mA (without load)
5 V: 140 mA (without load)
* Please select when ordering
Bearing properties
Incremental
MRP 8080
Absolute
MRP 8010
Shaft
Hollow through shaft D = 100 mm
Max. permissible axial load3)
300 N (centered load)
Max. permissible radial load3)
100 N
Max. permissible tilting torque3)
6 Nm
Contact stiffness
Axial: 684 N/µm
Radial: 367 N/µm
(calculated values)
Resistance to tilt
1250 Nm/mrad (calculated value)
Mechanically perm. speed
300 rpm
Moment of friction
? 0.2 Nm
Starting torque
? 0.2 Nm
Max. transferable shaft torque3)
10 Nm
Moment of inertia of rotor
2.8 · 10–3 kgm2
Radial guideway accuracy
Measured at distance h = 124 mm: ? 0.15 µm
Non-reproducible radial guideway accuracy
Measured at distance h = 124 mm: ? 0.20 µm
Axial guideway accuracy
? ±0.15 µm
Axial runout of the shaft
? 4 µm
Wobble of the axis
0.5”
Vibration 55 Hz to 2000 Hz
Shock 6 ms
? 200 m/s2 (EN 60068-2-6)
? 100 m/s2 (EN 60068-2-27)
(without load)
Protection EN 605292)
IP20
IP001) or IP40
Operating temperature
Storage temperature
0 °C to 50 °C
0 °C to 50 °C
Relative air humidity
? 75 % without condensation
Mass
2.15 kg (without cable or connector)
1) Electromagnetic compatibility must be ensured in the complete system through appropriate installation measures
2) When mounted
3) Purely static load, without additional vibrations or shock load
