HS202540454B7PS

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The Danaher HS202540454B7PS encoder is part of the Dynapar Encoders Series and offers a resolution of up to 2540 pulses per revolution. It features two-channel quadrature signal formatting with optional index outputs. The device supports shaft speeds up to 10,000 RPM and operates within a range of 0 to +85°C.

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Product Description:

The Danaher HS202540454B7PS Sealed Hollowshaft Encoder offers a compact solution suitable for installations where space is limited. This model supports both high speed operation and environmental resilience.

This HS202540454B7PS sealed hollowshaft encoder features a resolution range of 1 to 2540 pulses per revolution (PPR) for applications that require both low and high resolution feedback. The shaft design of this model is electrically isolated. With a shaft speed capacity of up to 6000 RPM, this encoder can handle fast rotational systems. Its squarewave output waveform provides rise and fall times under one microsecond into 1000 pF load capacitance. The hollowshaft configuration simplifies mechanical integration by eliminating the need for additional couplings or brackets. Shaft bore tolerances are specified at +0.0002"/+0.0008" (+0.005/+0.020 mm) to ensure a precise fit. This encoder also includes an indexing feature of 180° with electrical gating at +18°/-135° relative to the B channel low state. The required shaft length is a minimum of 0.80" (20 mm) and the allowable shaft runout is ±0.005" (±0.13 mm) with axial endplay limited to ± 0.050" (±1.27 mm). The bearing life of this encoder’s shaft under maximum tether loading reaches up to 5×10⁹ revolutions for the standard tether and 8×10⁹ revolutions with the slotted tether.

The HS202540454B7PS sealed hollowshaft encoder operates within an input voltage range of 4.5 V DC to 26 V DC at a maximum current draw of 100 mA. This encoder includes comprehensive electrical protection, guarding against reverse voltage, overvoltage and short circuit conditions. Its compact form factor supports installations with limited mounting space especially where other designs might be impractical. The mechanically sealed structure of this Dynapar series encoder further adds to its durability.

Axial shaft load
80 lbs at 0.25″ from face
Compatible shaft sizes
1/4″ and 3/8″ shafts
Extended operating temp
0 to +85 °C
Frequency response
≥100 kHz
Index channel response
≥75 kHz (extended temp)
Index pulse
180° ±18° gated with B low
Input power
5–26 VDC, up to 100 mA
Max shaft speed
10,000 RPM
Output types
Push-Pull, Differential, Open Collector (40 mA)
Phase sense
A leads B for CCW rotation (hub end view)
Quadrature phasing
90° ±22.5° electrical
Radial shaft load
80 lbs at 0.25″ from face
Resolution
Up to 2540 PPR
Signal format
Quadrature AB, optional Z & complementary outputs
Standard operating temp
0 to +70 °C
Storage temperature
–40 to +90 °C
Symmetry
180° ±18° electrical
Waveform
Squarewave, tr/tf <1 µs into 1000 pF

Frequently Asked Questions about HS202540454B7PS:

Q: What is the resolution range of the HS202540454B7PS Sealed Hollowshaft Encoder?

A: The Danaher HS202540454B7PS offers a resolution range of 1 to 2540 PPR. This makes it suitable for both low and high-resolution applications requiring precise feedback.

Q: How fast can the HS202540454B7PS Sealed Hollowshaft Encoder handle rotational systems?

A: The HS202540454B7PS supports shaft speeds up to 6000 RPM. This high-speed capacity makes it ideal for fast rotational systems in demanding environments.

Q: What are the mechanical integration advantages of the Danaher HS202540454B7PS Sealed Hollowshaft Encoder?

A: The hollowshaft design of the HS202540454B7PS simplifies mechanical integration. It eliminates the need for additional couplings or brackets, saving space and reducing installation complexity.

Q: How does the HS202540454B7PS Sealed Hollowshaft Encoder protect against electrical faults?

A: The Danaher HS202540454B7PS features comprehensive electrical protection. It guards against reverse voltage, overvoltage, and short circuit conditions ensuring reliable operation in harsh environments.

Q: What are the bearing life specifications for the Danaher HS202540454B7PS Sealed Hollowshaft Encoder?

A: The bearing life of the Danaher HS202540454B7PS reaches up to 5×10⁹ revolutions with the standard tether. With the slotted tether, it extends to 8×10⁹ revolutions, ensuring long-lasting performance.


Internal Product Review

  • ‘‘The Danaher HS202540454B7PS Sealed Hollowshaft Encoder is an optimal choice for high-speed applications requiring precision. With a resolution range of 1-2540 PPR, it offers exceptional accuracy. The encoder supports up to 6000 RPM, provides electrical isolation, and includes robust protection against reverse voltage and short circuits.’’

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