62-PMDF-1000-TB Danaher
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MPN: M060378
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The Danaher 62-PMDF-1000-TB is an incremental optical encoder from the Dynapar Encoders series with a resolution of 1000 pulses per revolution and a frequency response of 50 kHz. It features a 5/8 inch diameter single shaft with keyway, supports an axial shaft load of 15 pounds, and a radial shaft load of 45 pounds. The unit has an IP66 enclosure rating and a maximum current draw of 115 mA.
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Product Description:
The 62-PMDF-1000-TB is an incremental optical rotary encoder produced by Danaher for the Dynapar Encoders series. It is designed for closed-loop speed or position feedback in automated machinery. The device converts shaft rotation into two-channel quadrature pulses that a drive or PLC can count for precise motion control.
The encoder delivers a resolution of 1000 PPR, allowing controllers to detect 1,000 pulses during each revolution. Its sensing electronics support an output frequency of up to 50 kHz, providing adequate counting capacity for high-speed applications. Pulse streams are produced by a TC1428 differential line driver that can sink or source 40 mA per channel, supporting noise-resistant transmission over long cable runs. The signal pair uses a two-channel quadrature AB format that supports direction detection and four-times edge multiplication. Internal current consumption does not exceed 115 mA, which limits the load placed on compatible 5 V or 24 V supply rails. Field wiring terminates on a terminal strip, providing direct access to the electrical connections inside control cabinets. The sealed IP66 housing prevents dust and directed water jets from reaching the optical disc and internal electronics.
Installation uses a 5/8-inch stainless-steel shaft supported by bearings rated for a 45 lb radial load and a 15 lb axial load. The keyed shaft interface prevents slippage at the coupling during rotation. At startup, the encoder encounters only 15 oz-in of static friction, allowing light-duty servomotors to accelerate the connected assembly without excessive resistance. Continuous operation is permitted at speeds up to 3600 rpm. The single-shaft design includes an integral keyway that supports secure alignment and helps maintain concentric rotation. The unit weighs 10 lb, allowing it to be mounted on suitable motor or gearbox flanges without placing excessive load on the supporting structure. Its sealed body also protects the bearings from contaminants that could interfere with shaft movement or degrade feedback accuracy over time.
