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HS28C Datasheet

Product catalog summary

Application
HS28C encoder modules are suitable for use with stepping motors, BLDC motors, coreless motors, automated equipment, X-Y and linear stages, and factory automation robots.

Features
The modules are characterized by low cost, small size, easy mounting, and high resolution. They include an integrated blue LED with power control to adjust LED strength and reduce aging effects. The design features low-noise signal amplifiers with high EMI tolerance, low-jitter outputs, and low optical crosstalk due to unique assembly technology. The design ensures stable disc mounting with no swing during rotation, and includes tools for easy assembly.

Resolution
Available resolutions include 200, 250, 256, 400, 500, 512, 800, 1000, 1024, 1600, 2000, 2048, 3200, 3600, 4000, and 4096 P/R.

Electrical Specifications
The output circuit is Z□LT with a supply voltage of 4.5 ~ 5.5V and a maximum supply current of 100mA. Signal outputs include A+, A-, B+, B-, Z+, Z- with a rise/fall time of 10ns max and a frequency of 1.85MHz max. Output voltage is 2.4V min for "H" and 0.4V max for "L", with a max output current of 20mA.

Mechanical Specifications
The hollow diameter options are Φ 4, 5, 6, 6.35, 8 mm, with housing material made of PC. The maximum RPM is 25000, and the net weight is 30g.

Environmental Specifications
Operating and storage temperatures range from -40 to +100℃, with a maximum operating humidity of 85% RH non-collecting. The module can withstand shocks of 490 m/s² and vibrations of 1.2mm, 10~55KHz. It has an IP 40 protection rating.

Connection
Signal connections include A+, A-, B+, B-, Z+, Z- with UL2517, AWG26 or AWG28, 8pin + Shield. The Molex connector is 5023860970.

Output Waveform
The shaft rotation is counterclockwise (CCW) with A leading B.

Output Circuit
The line driver used is AM26C31.

Ordering Information
Details on ordering include mechanical drawing specifications and resolution types.

Cable Introduction
Cable lengths available are 305mm and 500mm.

Setting Dimension
Includes axial assembly tolerance, radial assembly tolerance, and concentric angle tolerance.

Catalog excerpts

Encoder modules ● Application ‧Stepping Motor ‧BLDC motor ‧Coreless motor ‧Automated Equipment ‧X-Y and linear stages ‧Factory automation robots ● Feature ‧Low cost、Small Size、Easy Mounting、high resolution. ‧Integrated blue LED with power control, auto adjustment the strength of LED to avoid the effect from LED light ageing. ‧Low-noise signal amplifiers with high EMI tolerance. ‧Provide low-jitter outputs due to improved signal contrast. ‧The unique assembly technology of the blue LED emitter and sensors results in low optical crosstalk. ‧Strong and stable design to paste the disc on the hub Completely, no any swing of the disc when it rotating. ‧Suitable space tool and centering tool to make the assembly easier. ● Electrical Spec Z□LT Output circuit Supply voltage Supply current (Max.) Signal Rise/fall time (Max.) Frequency(Max.) Output voltage Copyright © 2019 HONEST SENSOR Version 2

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● Mechanical Spec Hollow Diameter Operating Temp. Housing material Storage Temp. Operating Humidity ● Connection Signal：A+, A-, B+,B-,Z+,Z- (UL2517、AWG26 or AWG28、8pin + Shield) Molex：5023860970 Red ● Output Waveform Shaft rotation CCW A lead B ● Output Circuit Line driver(AM26C31) Copyright © 2019 HONEST SENSOR Version 2.3 [email protected] ww

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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