EPM50 Series Absolute Single-Turn Rotary Autonics Encoders

EPM50 Series

23-bit (8,388,608) total resolution
10-bit single-turn (1,024 divisions)
13-bit multi-turn (8,192 revolutions)
Zero-point reset with single-turn data reset and multi-turn count reset functions Position memory backup
CW / CCW direction setting function
Overflow alarm (OVF) function
Latch function (Parallel output type only)
IP64 protection structure (IEC standard)

Model	EPM50S8-1013-B-PN-24-□	EPM50S8-1013-B-S-24-□
Resolution	• Single-turn: 1024 division, 10 bit • Multi-turn: 8192 revolution, 13 bit
Rotation limit when power OFF ⁰¹⁾	± 90°
Output code	Binary 2 code	24 bit, Binary 2 code
Output signal	Single-turn data, Multi-turn count, Overflow alarm (OVF) ⁰²⁾
Control output	Parallel NPN open collector output	SSI (Synchronous Serial Interface) Line driver output
Inflow current	≤ 32 mA	≤ 20 mA
Residual voltage	≤ 1 VDCᜡ	≤ 0.5 VDCᜡ
Outflow current	–	≤ -20 mA
Output voltage	–	≥ 2.5 VDCᜡ
Output logic	Negative logic output	–
Response speed ⁰³⁾	≤ 1 ㎲	–
Single-turn data reset ⁰⁴⁾ Multi-turn count reset ⁰⁵⁾ Direction Clear	Input level: 0 – 1 VDCᜡ Input logic: Low Active, OPEN or HIGH in common use Input time: ≥ 100 ms
Latch	Input level: 0 – 1 VDCᜡ Input logic: Low Active, OPEN or HIGH	–
Latch		Input level: 5 VDCᜡ ± 5% Input frequency: 100 kHz to 1 MHz
Max. response freq.	50 kHz	–
Max. allowable revolution ⁰⁶⁾	3,000 rpm
Starting torque	≤ 0.0069 N m
Inertia moment	≤ 40 g·cm² (4 × 10^-6 kg·m²)
Allowable shaft load	Radial: 10 kgf, Thrust: 2.5 kgf
Unit weight (packaged)	≈ 475 g (≈ 560 g)	≈ 324 g (≈ 409 g)
Approval	ᜢ ᜫ

Power supply	12 – 24 VDCᜡ ± 5% (ripple P-P: ≤ 5%)
Current consumption	Parallel NPN open collector output: ≤ 100 mA (no load) SSI Line driver output: ≤ 150 mA (no load)
Insulation resistance	Between all terminals and case: ≥ 100 MΩ (500 VDCᜡ megger)
Dielectric strength	Between all terminals and case: 750 VACᜠ 50 / 60 Hz for 1 minute
Vibration	1 mm double amplitude at frequency 10 to 55 Hz (for 1 minute) in each X, Y, Z direction for 2 hours
Shock	≲ 50 G
Ambient temp.	-10 to 70 ℃, storage: -25 to 85 ℃ (no freezing or condensation)
Ambient humi.	35 to 85%RH, storage: 35 to 90%RH (no freezing or condensation)
Protection rating	Axial cable type: IP64 (IEC standard), Radial cable type: IP50 (IEC standard)
Connection	Axial / Radial cable type model (cable gland)
Cable spec.	Ø 6 mm, 2 m, shield cable Parallel NPN open collector output: 17-wire × 2, SSI Line driver output: 10-wire
Wire spec.	AWG28 (0.08 mm), insulator diameter: Ø 0.8 mm Parallel NPN open collector output: 17-core, SSI Line driver output: 19-core