Angle encoder modules: MRP 2000 series

Specifications

Encoder characteristics	Incremental MRP 2080	Absolute MRP 2010
Measuring standard	DIADUR circular scale
Signal periods	2048
System accuracy*	±7”
Position error per signal period	±1.5”
Repeatability	From both directions: 3”
RMS position noise	Typically 0.07”	Typically 0.01”
Interface	 1 VPP	EnDat 2.2
Ordering designation	–	EnDat22
Position values per revolution	–	25 bits
Clock frequency Calculation time tcal	–	≤ 16 MHz ≤ 7 µs
Reference marks	1	–
Cutoff frequency –3 dB	≥ 210 kHz	–
Electrical connection	14-pin header; adapter cable with quick connector as accessory	12-pin
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: ≤ 700 mW	3.6 V: ≤ 0.6 W 14 V: ≤ 0.7 W
Current consumption (typical)	Without load: IP = 60 mA; max. 120 mA With load: max. 130 mA	5 V: 85 mA (without load)
* Please select when ordering

Bearing properties	Incremental MRP 2080	Absolute MRP 2010
Shaft	Hollow through shaft D = 10 mm
Max. permissible axial load3)	50 N (centered load)
Max. permissible radial load3)	45 N
Max. permissible tilting torque3)	0.8 Nm
Contact stiffness	Axial: 54 N/µm Radial: 153 N/µm (calculated values)
Resistance to tilt	2.16 Nm/mrad (calculated value)
Mechanically perm. speed	2000 rpm
Moment of friction	≤ 0.020 Nm
Starting torque	≤ 0.010 Nm
Max. transferable shaft torque3)	0.3 Nm
Moment of inertia of rotor	3.5 · 10–6 kgm2
Radial guideway accuracy	Measured at distance h = 52 mm from the ball race: ≤ 0.60 µm
Non-reproducible radial guideway accuracy	Measured at distance h = 52 mm from the ball race: ≤ 0.70 µm
Axial guideway accuracy	≤ ±0.3 µm
Axial runout of the surface	≤ 8 µm
Wobble of the axis	2.5”
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)	IP001)
Operating temperature Storage temperature	0 °C to 50 °C 0 °C to 50 °C
Relative air humidity	≤ 75 % without condensation
Mass	0.12 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