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EP50S Series Product Details

Part Number
EP50S Series
Diameter 50mm Shaft type Absolute Rotary encoder
Manufacturer: Autonics
Technical Specification

6, 8, 10, 12, 16, 20, 24, 32, 40, 45, 48, 64, 90, 128, 180, 256, 360, 512, 720, 1024
PNP open collector output
Output voltage : Min. (Power supply-1.5)VDC, Load current : Max. 32mA
Response time(Rise/Fall)
Ton=800nsec, Toff=Max. 800nsec(Cable length : 2m, I sink = 32mA)
Power supply
5VDC 5%(Ripple P-P : Max. 5%) 12-24VDC 5%(Ripple P-P : Max. 5%)
Insulation resistance
Min. 100M(at 500VDC megger between all terminals and case)
Cable type(Cable gland)
Moment of inertia
4Max. 40gcm(410-6 kgm)
Max. allowable revolution2
Approx. Max. 50G
Ambient humidity
35 to 85%RH, storage: 35 to 90%RH
Output code
BCD Code Binary Code Gray Code BCD Code Binary Code Gray Code
NPN open collector output
Load current : Max. 32mA, Residual voltage : Max. 1VDC
Max. Response frequency
Current consumption
Max. 100mA(disconnection of the load)
Dielectric strength
750VAC 50/60Hz for 1 minute(Between all terminals and case)
Starting torque
Max. 40gfcm(0.004Nm)
Shaft loading
Radial : 10kgf, Thrust : 2.5kgf
1.5mm amplitude or 300m/s2 at frequency of 10 to 55Hz(for 1 min.) in each of X, Y, Z directions for 2 hours
Ambient temperature
-10 to 70, storage : -25 to 85
IP64(IEC standard)

EP50S Series Description

50mm Shaft type Absolute Rotary encoder with EP50S Series realizes high resolution up to 1024 divisions and various output codes including BCD, Binary and Gray Code with compact design. It is mostly applied to industrial precision instruments, textile machineries, robots and parking facilities.

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