HS35R0250H34E

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The HS35R0250H34E encoder offers a resolution of 1 to 2500 PPR, a frequency response of at least 100 kHz, and a maximum shaft speed of 3600 RPM. Part of the Dynapar Encoders series by Danaher, it features IP66/NEMA4 enclosure rating and operates in temperatures from -40°C to +70°C for standard models.

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Product Description:

The product HS35R0250H34E Dynapar Encoder is built by Danaher for Industrial automation. This device delivers resolution outputs from 1 to 2500 pulses per every shaft revolution. Two-channel quadrature output exists in the encoder although an optional index can be added. The product provides additional output signals which improve signal precision.

The HS35R0250H34E Dynapar encoder supports two output configurations such as 7273 Open Collector and 7272 Push-Pull type. It supports noise-immune operation with 4469 Differential Line Driver among other available types. The signal output of Channel A precedes Channel B when the shaft spins clockwise. The rotation direction determination occurs through observation of the shaft clamp end view. The device accepts voltages between 4.5 VDC and 26 VDC as the maximum. This encoder performs both rise and fall transitions below 1-microsecond duration while connected to a 1000 pF load. A minimum response frequency of 100 kHz serves as the specified requirement. The motor generates 3600 revolutions per minute shaft speed. The bearing can support radial loads up to 40 lbs while axial loads do not exceed 30 lbs. The 3600 RPM operation cycle of this bearing achieves an 80,000-hour life expectancy. When operating at 1800 RPM the bearing accomplishes 128,000 hours of operational life.

The operating temperature range of HS35R0250H34E Dynapar encoder is broad. Standard models operate from –40°C to +70°C. Standard operations of extended models extend between 0°C and +100°C but require derating when operating above 1800 RPM. The device draws no more than 100 milliamps from each output when it operates without attached devices. Fast transition timing exists in the square-wave outputs generated by the encoder. The complete weight of the unit reaches 16 oz. The protective housing of this unit fulfills NEMA4 in combination with IP66 specifications for environmental sealing against dust and water ingress.

Bearing life at 1800 RPM
128,000 hours
Bearing life at 3600 RPM
80,000 hours
Enclosure rating
NEMA 4 / IP66
Extended operating temperature
0°C to +100°C (derated above 1800 RPM)
Frequency response
≥100 kHz
Input voltage
4.5–26 VDC
Max shaft speed
3600 RPM
Output current per channel
≤100 mA (excl. loads)
Output drive options
7273 open-collector; 7272 push-pull; 4469 differential
Output signals
Quadrature A/B with optional Z
Phase sense
A leads B for CW shaft rotation (viewed from clamp end)
Resolution
1–2500 PPR
Rise/fall time
<1 µs (1,000 pF load)
Shaft axial load
30 lbs
Shaft radial load
40 lbs
Standard operating temperature
–40°C to +70°C
Waveform type
Squarewave
Weight
≤16 oz

Frequently Asked Questions about HS35R0250H34E:

Q: What advantage does the encoder€™s 100 kHz minimum response frequency offer?

A: It ensures accurate pulse detection at high speeds, crucial for precise motion control. This supports dynamic industrial applications with rapid shaft movements.

Q: How does the HS35R0250H34E encoder handle load capacitance effects?

A: With fast rise/fall transitions under 1μs on a 1000 pF load, the encoder ensures precise signal timing. This reduces signal distortion even under capacitive loads.

Q: How does the 16 oz weight of HS35R0250H34E impact its mounting options?

A: Its relatively low weight eases mounting and reduces strain on motor assemblies. This allows integration in compact or vibration-sensitive systems.

Q: Why is high RPM derating necessary for extended temperature models of HS35R0250H34E?

A: Derating at high RPM prevents overheating in extended temperature models. It preserves long-term performance and component reliability under extreme conditions.

Q: What role does the 4469 Differential Line Driver play in HS35R0250H34E encoder?

A: The 4469 Line Driver enhances noise immunity and signal transmission over long distances. It's ideal for electrically noisy environments where signal degradation is a concern.


Internal Product Review

  • ‘‘The HS35R0250H34E encoder stands out with 7272 Push-Pull output, 4469 differential line driver, and a 100 kHz response frequency. With IP66/NEMA4 protection and high-speed 3600 RPM capability, it ensures long-term reliability. Its 1μs transition performance makes it ideal for precision control systems.’’

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