Encoder characteristics
Incremental
SRP 5080
Absolute
SRP 5010
Measuring standard
OPTODUR circular scale
DIADUR circular scale
Signal periods
30 000
16 384
System accuracy*
±2.5” or ±5”
Position error per signal period
±0.23”
±0.40”
Repeatability
From both directions: 0.3”
From both directions: 0.9”
RMS position noise
Typically 0.007”
Typically 0.020”
Interface
1 VPP
EnDat 2.2
Ordering designation
–
EnDat22
Position values per revolution
28 bits
Clock frequency
Calculation time tcal
≤ 16 MHz
≤ 5 µs
Reference marks
80 (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
1.5 m cable with 8-pin M12 coupling
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
Shaft
Hollow through shaft with 32 mm
Max. permissible axial load2)
200 N (centered load)
Max. permissible radial load2)
60 N
Max. permissible tilting torque2)
2.5 Nm
Contact stiffness
Axial: 303 N/µm
Radial: 181 N/µm
(calculated values)
Resistance to tilt
102 Nm/mrad (calculated value)
Mechanically perm. speed
300 rpm
Max. transferable shaft torque2)
2 Nm
Moment of inertia of rotor
1.16 · 10–3 kgm2
Radial guideway accuracy
Measured at distance h = 55 mm: ≤ 0.20 µm (without load)
Non-reproducible radial guideway accuracy
Measured at distance h = 55 mm: ≤ 0.35 µm (without load)
Axial guideway accuracy
≤ ±0.2 µm
Axial shaft runout*
≤ 5 µm or ≤ 1 µm
Wobble of the axis
0.7”
Vibration 55 Hz to 2000 Hz
Shock 6 ms
≤ 20 m/s2 (EN 60068-2-6)
≤ 100 m/s2 (EN 60068-2-27)
(without load)
Protection EN 605291)
IP40
Operating temperature
Storage temperature
0 °C to 30 °C
0 °C to 50 °C
Relative air humidity
≤ 75 % without condensation
Altitude
< 2000 m
Mass
1.82 kg (without cable or connector)
1) When mounted
2) Purely static load, without additional vibrations or shock load
Motor characteristics
Peak torque
2.70 Nm
Rated torque
0.385 Nm
Stall torque
0.253 Nm
Standstill speed
0.013 rpm
Maximum speed
Torque constant
0.668 Nm/Arms
Back-electromotive force constant
0.397 Vrms/(rad/s)
Motor constant
0.181 Nm/√W
Electrical resistance R20 (at 20 °C)
9.06
Electrical inductance
2.42 mH
Maximum current
4.24 Arms
Rated current
0.688 Arms
Stall current
0.487 Arms
Max. rated power loss
6.94 W
Max. DC-link voltage
DC 48 V
Number of poles
20
Max. cogging torque
< 0.2 % of rated torque
Connection
4-pin M12 (male)
Cable diameter
7.0 mm
≤ 5 m
Number of phases
3
Angle Encoder Modules
SRP 5000 Operating Instructions