Sealed Encoders Ideal for Harsh Environments

Description

BEI introduces the ES encoder series, a new line of environmentally sealed encoders designed specifically for harsh industrial applications.  Through the use of a magnetic hub, these rugged incremental encoders are completely enclosed and sealed.   The hub is installed on the equipment’s mating shaft, leaving a small air gap between it and the encoder.  This isolates the encoder from high shock and vibration and makes them highly tolerant of shaft misalignment, meaning no more broken couplings!  With an amazing IP67 rating, the ES encoder series are completely protected from environmental fluids, dust, dirt, grime, and even water immersions.  

Environmentally sealed encoders are ideal for applications with heavy wash-downs, temporary water immersions, and excessive shock, vibration or environmental debris. The ES series combines accuracy, repeatability and robustness needed for use in harsh environments and can help reduce costly downtime of your system.

Specs

• Mechanical • Mating Shaft Diameter: 1/4” and metric versions • Magnetic Coupling Cover: Engineered plastic • Starting Torque: 0.5 oz-in max • Enclosure: Aluminum (sealed aluminum castings) • Maximum RPM: 5000 RPM • Moment of Inertia: 62.3 X 10-4 oz-in-sec2 • Maximum Acceleration: 24,000 rad/s/s • Torsional flexibility: 0.37 deg/oz-in • Kinematic Error: 3 arc-minRMS • W eight: 18 oz • Electrical Supply Voltage: 5 to 28 VDC available • Voltage/ Output: 28V/V: Line Driver, 5-28 VDC in, V out = V in 28V/5: Line Drive, 5-28 VDC in, V out = 5, DC 28V/OC: Open Collector, 5-28 VDC in, OC out • Current Requirements: 100 mA typical + output load, 250 mA (max) • Protection Level: reverse, overvoltage and output short circuit • Code: Incremental • Output Format: 2 Channels in quadrature, with ½ cycle index • gated with negative B channel • Cycles per Shaft Turn: 1 to 2,048 (See Table 1) • Frequency Response: 100 KHz
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