H420120

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The H420120 encoder is manufactured by Danaher. Part of the Dynapar Encoders series, it offers a resolution range of 1 to 2540 PPR and a frequency response of at least 100 kHz. The device supports input power ranging from 5 to 26 VDC and multiple output options including Open Collector and Push-Pull.

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Product Description:

The Danaher H420120 Shafted Encoder is a precision engineered device manufactured for motion control applications. This encoder provides accurate position and speed feedback for industrial systems. It delivers reliable performance across demanding environments with a compact form factor and robust mechanical structure. It is ideal for OEMs and industrial automation professionals.

This H420120 shafted encoder features a 3/8 inch stainless steel shaft that supports a maximum shaft speed of 7200 RPM. Shaft loading is rated at 80 lbs radial and 80 lbs axial at 0.25 inches from the encoder face. The shaft runout is maintained at 0.001 inches TIR. The moment of inertia of this model is 3.0 x 10⁻⁴ oz-in-sec². It weighs 13 oz that makes it lightweight for easy installation. The housing and cover of this encoder are made of aluminum for durability while the internal disc is constructed from Mylar. This encoder operates with an input voltage range of 5 to 26 VDC and a maximum current draw of 90 mA excluding output loads. This Dynapar series encoder delivers incremental optical output with resolutions ranging from 1 to 600 PPR (pulses per revolution). Accuracy is ± 7.5 arc min in the worst case scenario from one edge to any other edge.

This H420120 shafted encoder is terminated using a 7 pin MS3102E-16S-1P style MS connector. It is compatible with the mating connector style MS3106A-16S-1S (MCN-N5). The robust termination ensures secure and reliable connections in industrial setups. This encoder’s push pull and differential outputs provide enhanced signal integrity over longer cable distances. These outputs also allow direct interface with a wide range of controllers and signal processing units. Its fast signal transition characteristics support accurate detection in dynamic environments.

Enclosure
NEMA12/IP54 or NEMA4/IP66
Frequency Response
min. 100 kHz; 75 kHz ext. temp
Humidity
up to 98% non-condensing
Indexing
180° ±18° electrical
Input Power
5-26 VDC, 80 mA max
Operating Temp (ext)
0 to +85°C
Operating Temp (std)
0 to +70°C
Output Options
OC 40mA; PP 40mA; Diff 40/100mA
Phase Sense
A leads B for CCW rotation (shaft end view)
Quadrature Phasing
90° ±22.5° electrical
Resolution
1 to 2540 PPR
Shaft Loading
≤1024 PPR: 80 lbs; >1024 PPR: 40 lbs
Shaft Size
10 mm, 1/4\", 3/8\"
Shaft Speed
≤1024 PPR: 10,000 RPM; >1024 PPR: 5,000 RPM
Shock
50 G, 11 ms
Signal Format
AB quadrature; opt. Z & complementary outputs
Storage Temp
-40 to +90°C
Symmetry
180° ±18° electrical
Vibration
5-2000 Hz, 20 G
Waveform
Squarewave, rise/fall <1 µs @1000 pF

Frequently Asked Questions about H420120:

Q: What is the maximum shaft speed of the Danaher H420120 Shafted Encoder?

A: The Danaher H420120 Shafted Encoder supports a maximum shaft speed of 7200 RPM. This allows for precise motion control in high-speed industrial applications with stable performance.

Q: What are the termination requirements for the Danaher H420120 Encoder?

A: The Danaher H420120 Shafted Encoder uses a 7-pin MS3102E-16S-1P style connector. It is compatible with the MS3106A-16S-1S connector, ensuring secure connections in industrial environments.

Q: What is the weight of the Danaher H420120 Shafted Encoder?

A: The Danaher H420120 Shafted Encoder weighs only 13 oz. This lightweight design allows for easier installation and integration into various industrial automation systems.

Q: What is the resolution of the Danaher H420120 Shafted Encoder?

A: The Danaher H420120 Shafted Encoder provides incremental optical output with resolutions ranging from 1 to 600 PPR. This allows for highly accurate feedback in diverse motion control applications.

Q: What is the accuracy of the Danaher H420120 Shafted Encoder?

A: The Danaher H420120 Shafted Encoder offers an accuracy of ± 7.5 arc minutes. This precision ensures reliable position feedback even in dynamic and demanding motion control environments.


Internal Product Review

  • ‘‘The Danaher H420120 Shafted Encoder is a top choice for industrial systems. It offers precise feedback with 600 PPR resolution, 7200 RPM max speed, and a 13 oz lightweight design. Its 7-pin MS3102E connector ensures secure termination, while its durable aluminum housing provides reliability in demanding environments.’’

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