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Magnetic Encoders EMS22A

Magnetic Encoders EMS22A

Product catalog summary

Overview: The EMS22A is a non-contacting absolute encoder designed for various applications including material handling, robotics, automotive, and industrial automation. It features a compact design, high resolution, and long operational life.

Key Features:

Voltage supply options of 3.3 VDC and 5 VDC.
Non-contacting magnetic technology.
Resolution of 1024 positions.
CMOS and TTL compatible.
High operating speed and repeatability.
Sealed option available.

Electrical Characteristics:

Resolution: 1024 positions.
Insulation Resistance: 1,000 megohms at 500 VDC.
Supply Voltage: 5.0 VDC ±10%, 3.3 VDC ±10%.
Supply Current: Maximum 20 mA.
Output Voltage: Low - Vss+0.4 V max, High - Vdd-0.5 V min.
Output Current: 4 mA max at 4.5 VDC, 2 mA max at 3.0 VDC.
Rise/Fall Time: 500 ns max.
Shaft RPM: 10,000 rpm max.
Linearity: 0.5%.
Accuracy: ±0.7° nominal, ±1.4° worst case.

Environmental Characteristics:

Operating Temperature: -40 ºC to +125 ºC.
Storage Temperature: -55 ºC to +125 ºC.
Humidity: MIL-STD-202, Method 103B, Condition B.
Vibration: 15 G.
Shock: 50 G.
Rotational Life: 100,000,000 revolutions for S Bushing, 50,000,000 for T & W Bushings.
IP Rating: IP 65.

Mechanical Characteristics:

Mechanical Angle: 360° Continuous.
Torque: Starting - 43 ±21 g-cm, Running - 29 ±14 g-cm.
Mounting Torque: 203 N-cm.
Shaft End Play: 0.30 mm max.
Shaft Radial Play: 0.12 mm max.
Weight: 11 gms.
Terminals: Axial, radial, or ribbon cable.

Applications: Suitable for material handling equipment, brushless DC motor commutation, robotics, automotive, industrial automation, petroleum refinery, medical, office equipment, and audio/broadcast equipment.

Ordering Information: The encoder can be customized with different shaft lengths, voltage supplies, output types, terminal configurations, resolutions, shaft styles, and bushing designators. Consult the factory for additional options.

Catalog excerpts

Specifi cations are subject to change without notice. Customers should verify actual device performance in their specifi c applications. EMS22A - Non-Contacting Absolute Encoder Output Type Waveform and Variant Table Applications ¡ Material handling equipment ¡ Brushless DC motor commutation ¡ Robotics ¡ Automotive ¡ Industrial automation ¡ Petroleum refi nery ¡ Medical ¡ Offi ce equipment ¡ Audio and broadcast equipment CSn CLK D0 t CSn 500 ns min. t CLKFE 500 ns t D0 Tristate 100 ns min. T CLK/2 500 ns 0 7 15 0 Angular Position Data Status Bits Parity Bit t D0 active t D0 valid 375 ns 100 ns...

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BOURNS EMS22 22 MM NON-CONTACTING ABSOLUTE ENCODER E M S 2 2 A 5 0 - B 2 8 - L S 6 SHAFT LENGTH DESIGNATOR* Code 16 20 28 25 Description 1/2 " Long 5/8 " Long 7/8 " Long 25 mm Long (Available with D Bushing Only) VOLTAGE SUPPLY Code 3 5 Description 3.3 VDC 5 VDC OUTPUT TYPE Code A B Description CW Absolute CCW Absolute Notes See Note 1 below See Note 2 below TERMINAL CONFIGURATION** Code L M W Description Axial, Multi- Purpose Pin Rear Ribbons Cable with Connector Rear Ribbons Cable - No Connector RESOLUTION Code 6 States 1024 SHAFT STYLE Code B C D R M Available With Bushings (Code) S S T, W...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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