HR52505000011

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The HR52505000011 encoder is an incremental, optical, shafted device with a resolution range of 1 to 1024 PPR, a frequency response of 100 kHz, and shaft speed up to 10,000 RPM. Part of the Dynapar Encoders series produced by Danaher, it supports 1/4” or 3/8” shafts and features a robust radial shaft loading capacity of 80 lbs.

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Product Description:

The HR52505000011 is a precision Encoder from Danaher's HR25 series that is designed to resist electrically demanding environments and provide motion control systems with dependable incremental feedback. The HR25 series is part of an encoder from Danaher that is designed to meet the functional requirements of automation and control systems.

Consistent signal output is guaranteed by the HR52505000011 encoder's resolution of 500 pulses per revolution. The electrical configuration of the output type is open collector, and it is single-ended. The encoder lacks index markings and commutation traces. The shaft, which is single-ended and lacks a shaft seal, is supported by internal bearings. This mounting setup terminates with a side mount connector and is shafted. The encoder does not come with the mating connector. The optical sensing encoder can function reliably from 0 to 70 °C, according to its specifications. The encoder is NEMA 12 rated and protects against dust and light moisture. Because of its specifications, the HR525 encoder is ideal for applications needing precise feedback in industrial automation.

The HR52505000011 Encoder is limited to incremental feedback operations as it lacks commutation capabilities. Due to its two incremental channels, the encoder is capable of detecting signals in both directions. The input voltage range it can handle is 5 to 26 VDC, and the output voltage it can produce is also within that range. It also lacks an integrated status indicator that requires external monitoring for operational status. The encoder functions reliably within the controlled operating parameters and across the specified voltage range. Accurate position tracking in motion systems is supported by the encoder's 500 PPR output and bidirectional signal detection. The encoder is designed to assure consistency and precision.

4469 Differential Line Driver
100 mA
7272 Differential Line Driver
40 mA
7272 Push-Pull
40 mA
7273 Open Collector
40 mA
Complementary Outputs
Available
Encoder Type
Incremental, Optical, Shafted Encoder (Dynapar™ Series HR25)
Frequency Response (AB)
100 kHz minimum
Frequency Response (Z)
75 kHz minimum (extended temp)
Index Output
Optional (Z)
Index Specification
180° ± 18° electrical (gated with B low)
Input Power
5 to 26 VDC at 80 mA max (excluding output loads)
Output Channels
Quadrature AB
Phase Sense
A leads B for clockwise rotation (viewed from shaft end)
Quadrature Phasing
90° ± 22.5° electrical
Resolution
1 to 1024 PPR
Shaft Loading
80 lb radial, 80 lb axial at 0.25 in from face
Shaft Size
0.25 in or 0.375 in
Shaft Speed
10,000 RPM max
Waveform Characteristics
Squarewave, rise/fall <1 µs into 1000 pF

Frequently Asked Questions about HR52505000011:

Q: How does HR52505000011 ensure voltage compatibility range?

A: It operates on a 5-26 VDC input and output range that ensures compatibility with multiple system voltage requirements.

Q: Why is HR52505000011 built without a shaft seal?

A: The encoder lacks a shaft seal, which simplifies mechanical design and is intended for protected environments without liquid exposure.

Q: Do bearings in HR52505000011 improve shaft stability?

A: Yes, internal bearings provide mechanical stability that supports accurate signal generation during shaft rotation.

Q: Does HR52505000011 include a commutating feature?

A: No, it does not support commutation, which limits it to standard incremental feedback rather than motor winding alignment.

Q: Why is HR52505000011 rated to the NEMA 12 standard?

A: The NEMA 12 rating offers protection against dust and limited moisture that ensures performance in enclosed control cabinets.


Internal Product Review

  • ‘‘The HR52505000011 encoder from Danaher HR25 Series offers accurate bidirectional feedback and stable 500 PPR resolution. It supports optical sensing and operates within a 0-70 °C range. The open collector output and NEMA 12 rating make it reliable for sealed, dust-protected enclosures.’’

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