HS35R1024H57401

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The HS35R1024H57401 incremental optical encoder offers a resolution of 1024 PPR, supports two-channel quadrature with optional Index (Z) outputs, and operates with an electrical input between 5 to 26 VDC. Part of the Dynapar Encoders series by Danaher, it accommodates shaft speeds up to 5,000 RPM and features NEMA12/IP54 enclosure ratings for durability.

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Product Description:

Danaher produces the HS35R1024H57401 Incremental Encoder for industrial automation. The encoder enables accurate measurement by using optical sensing technology. The encoder system produces 1024 pulses during one revolution. This makes it effective for the control of precise movements.

The HS35R1024H57401 incremental encoder generates two-channel output signals (A and B). alongside the option to produce index and complementary signal outputs. Channel A leads Channel B in both clockwise and counterclockwise directions when viewed from the shaft end. Quadrature phasing is maintained at 90 degrees ±22.5 degrees electrical for reliable signal separation. The encoder accepts input power from 5 to 26 VDC under its wide operating voltage range. The maximum consumption reaches 80 mA of current when counting output loads. The HS35R1024H57401 incremental encoder delivers output options as 7273 open collector at 40 mA sink. It also delivers 7272 push-pull at 40 mA sink/source, as well as a differential line driver from 40 to 100 mA. The minimum specified frequency response of this device reaches 100 kHz. The index signals maintain a rated frequency of 75 kHz throughout extended temperature ranges. The encoder allows operation using either 1/4-inch or 3/8-inch shaft diameters. The encoder can handle 35 pounds of radial and 40 pounds of axial shaft load, which extends to 0.25 inches from the face. The encoder accepts 5,000 RPM as its upper speed limit.

The encoder model HS35R1024H57401 incremental encoder functions in temperatures spanning from 0°C to +70°C. Its extended version extends up to +85°C. Standard enclosures of this product bear the NEMA12 and IP54 ratings. However, the enhanced versions match NEMA4 and IP66 rating standards. The specified ratings make it possible for operation in tough industrial settings. The encoder features a combination of mechanical strength combined with flexible electrical interface capabilities.

Electrical Input
5–26 VDC; 80 mA max (excl. outputs)
Enclosure Rating
Std NEMA12/IP54; Enhanced NEMA4/IP66
Encoder Type
Incremental optical
Frequency Response
≥100 kHz (index 75 kHz in ext temp)
Max Shaft Speed
5,000 RPM
Operating Temperature
0–70°C (std); 0–85°C (extended)
Output Options
7273 OC sink 40 mA; 7272 PP 40 mA; Diff LD 40–100 mA
Phase Sense
A leads B in CW/CCW (viewed from shaft end)
Quadrature Phasing
90°±22.5° electrical
Resolution
1024 PPR
Shaft Loading
35 lb radial; 40 lb axial @ 0.25"
Shaft Size
1/4" or 3/8"
Signal Format
Quadrature A/B; optional Z & complementary
Starting Torque
1.0 oz‑in (HA525); 2.5 oz‑in (HA625)

Frequently Asked Questions about HS35R1024H57401:

Q: Why is optical sensing used in the HS35R1024H57401 incremental encoder?

A: Optical sensing provides high resolution and noise immunity. This enables consistent and reliable performance in industrial environments.

Q: How does the quadrature phasing benefit the HS35R1024H57401 encoder system?

A: Quadrature phasing ensures precise signal timing and direction detection. It enhances motion control accuracy in automation systems using the HS35R1024H57401.

Q: How does the push-pull output enhance the HS35R1024H57401 encoder?

A: Push-pull outputs allow both sourcing and sinking currents. This flexibility supports a wide range of input interfaces for the HS35R1024H57401.

Q: What is the benefit of using a differential line driver in HS35R1024H57401?

A: The differential line driver provides high noise immunity and longer transmission distances. It's ideal for demanding signal integrity requirements in the HS35R1024H57401 encoder.

Q: Why is the HS35R1024H57401 encoder equipped with both radial and axial load capacity?

A: Handling both radial and axial loads improves mechanical durability. It ensures stable operation under shaft misalignment in the HS35R1024H57401 encoder.


Internal Product Review

  • ‘‘The HS35R1024H57401 incremental encoder by Danaher is a solid performer in precision automation. It has a 100 kHz frequency response, robust load handling, dual shaft compatibility, and multiple signal outputs. This makes it deliver reliability and flexibility. Its environmental ratings further enhance usability.’’

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