62-PMEF-0050-T0 Danaher
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MPN: M060025
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The Danaher 62-PMEF-0050-T0 is an incremental optical encoder from the Dynapar Encoders series, featuring a resolution of 50 PPR and a shaft diameter of 5/8 inch. It supports an axial shaft load of 15 pounds and radial shaft load of 45 pounds overhung, with an enclosure rating of NEMA 12 / IP54. The housing is constructed from aluminum and the total weight is 10 pounds.
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Product Description:
The 62-PMEF-0050-T0 is an optical incremental encoder manufactured by Danaher for the Dynapar Encoders series. It mounts on a machine shaft and provides position feedback for closed-loop motion tasks on conveyors, packaging lines, and general machinery. The encoder emits evenly spaced pulse trains that automation controllers translate into speed or angular position data.
This model delivers a resolution of 50 PPR, so one complete shaft revolution produces fifty evenly spaced pulses that a counter or PLC can interpret with x1, x2, or x4 decoding. The shaft accepts couplings sized for a 5/8 in diameter, and its integral keyway measures 0.188 × 0.094 in to prevent slippage. A NEMA 12 / IP54 enclosure protects the internal components from airborne oil, dust, and moderate splashing, while the aluminum housing keeps the overall mass at 10 lb. Output wiring terminates on an internal terminal strip that carries a two-channel quadrature (AB) waveform. When the phase-shifted signals are decoded, the controller receives direction information in addition to the pulse count. The unit supports continuous operation at speeds up to 3600 RPM, making it suitable for many direct motor-shaft applications. Rotor inertia is limited to 285 gm-cm², which reduces the additional load placed on the connected machine shaft.
The encoder tolerates an axial thrust load of 15 lb and an overhung radial load of 45 lb; keeping the loads within these limits helps prevent premature bearing wear. Startup friction is modest, with a required drive torque of only 15 oz-in, so small servo motors can turn the encoder without substantial resistance. The output stage is single-ended, providing TTL-level signals suitable for short cable runs or systems that do not use differential reception. The keyed shaft helps prevent rotational slippage between the encoder and its coupling. Proper shaft alignment also limits unnecessary radial stress during continuous machine operation.
