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HTx25K Brochure en

Product catalog summary

General Overview
The HTx25K series by MEGATRON Elektronik GmbH & Co. KG consists of robust Hall effect kit encoders designed for harsh environments with limited space. These encoders are housed in a Ø25 mm aluminium casing, offering features such as magnetic signal evaluation, digital signal processing, and IP68 protection. They operate within a temperature range of -30 to 85°C and support a measurement range up to 360° singleturn and 72000° multiturn. The encoders are programmable and available with various output options, including analogue, PWM, and digital outputs like SPI, SER, or SSI.

Output Variants

Singleturn Absolute Encoders: Provide analogue voltage or current loop output with 12-bit resolution, PWM output, and digital outputs with absolute linearity up to 0.6%.
Programmable Multi-/Singleturn Absolute Encoders: Offer similar outputs but are not true-power-on and support up to 200 revolutions.
Incremental Encoders: Feature 1 to 1024 impulses per revolution with TTL, Push-Pull, or Open Collector outputs.

Technical Specifications
The HTx25K series encoders are designed for precise alignment with magnets and feature digital signal processing based on Hall sensor technology. They offer high interference immunity against temperature fluctuations and EMC influences. The modular system allows for customer-specific adjustments, including shaft geometries, signal output functions, and cable lengths.

Electronics and Order Codes
The document provides detailed order codes for various encoder models, including HTA25K, HTA25KX, HTP25K, and HTS25K, each with specific features like redundant outputs, programmable angles, and different supply voltage options. The encoders can be customized with different electrical connections and installation variants.

Mechanical Data and Compliance
The encoders comply with relevant standards and offer various mechanical configurations to suit different applications. They are designed for easy integration into existing systems with options for precise alignment and custom configurations.

Accessories
A range of accessories is available to complement the HTx25K series encoders, ensuring optimal performance and integration into various applications.

HTP25K Series - PWM Output

Features a PWM signal output with a constant frequency of 244 Hz.
Duty cycle varies from 10% to 90% depending on the rotating angle (0° to 360°).
Supply voltage is 5 VDC ±10%, with a power consumption of ≤ 10 mA.
Resolution is 12 Bit, and the output load is ≥ 5 kOhm.
Order code example: HTP25K 6,35x12 5PWM CW 360 M8.

HTS25K Series - Digital Output

Offers SER, SPI, and SSI interfaces with different resolutions and update rates.
Supply voltage varies: 5 VDC for SER and SPI, 24 VDC for SSI.
Features include optional UVW signal outputs for motor commutation.
Order code example: HTS25K 6x12 24SSI PG.

HTS25KX Series - Redundant SPI Output

Provides redundant SPI output with independent signal processing.
Supply voltage is 2 x 5 VDC ±10%, with galvanically insulated connections.
Resolution is 14 Bit, with an update rate of 200 µs.
Order code example: HTS25KX 6x12 05SPI M8R.

HTI25K Series - Incremental Output

Features TTL, Push-Pull, or Open Collector electronics.
Maximum number of pulses per channel is 1024, with options for differential signal output.
Supply voltage ranges from 5 VDC to 30 VDC, depending on the configuration.

General Notes

Specifications are subject to change without notice.
For detailed information on zero point definition and output programming, refer to page 26.

Technical Specifications
The document outlines the specifications for the HTx25K series of rotary encoders. The operating temperature range for fixed cables is -30 to +85°C, and for cables in movement, it is -10 to +85°C. The storage temperature range is -30 to +105°C. The protection grade for the front side is IP67, and for the rear side, it is IP68 with cable ends excluded. Vibration resistance is specified as ±1.5 mm / 30 g / 10 to 2000 Hz / 16 frequency cycles (3x4 h), and shock resistance is 400 m/s² / 6 ms / half sine (100±5) shocks. The housing diameter is Ø 25 mm, with depth varying based on the electrical connection position.

Mounting and Materials
Standard mounting uses M4 screws, allowing a rotation of +/- 7.5° to find the zero point. Two variants for mounting are available: Variant S (standard) and Variant P (pre-installed pins). The materials used include stainless steel for the shaft and cable gland, aluminium for the housing, and CuZn nickel-plated for the M8 connector.

Signal Definition and Zero Position
Custom rotation angles less than 360° are programmable, with the remaining range divided equally into high and low. The zero position output varies by model: HTA25K outputs 0% full scale, HTP25K has a 10% duty cycle, HTS25K outputs 0% full scale, and HTI25K outputs the index signal.

Order Codes and Variants
The document provides a comprehensive overview of order codes for different series and variants, including HTA25K, HTP25K, HTS25K, and HTI25K. It details the electronics supply voltage, output signals, sense of rotation, effective electrical angle, electrical connection options, and installation variants.

Accessories
Accessories for the HTx25K family include LS7083/4N and LS7166 counter ICs for incremental encoders and a programmer for the HTA25KPM encoder.

Catalog excerpts

Output variants Analogue voltage or current loop output (12 bit resolution) Analogue PWM output (12 bit resolution) Digital outputs SPI (also redundant), SER or SSI Absolute linearity up to 0.6% Programmable Multi- or singleturn Analogue voltage or current loop output (12 bit resolution) absolute encoders Not True-Power-On, max. 200 revolutions (72000°) 1 to 1024 Impulses per revolution (ppr.) Outputs TTL, Push-Pull, Open Collector MEGATRON Elektronik GmbH & Co. KG ▪ Hermann-Oberth-Strasse 7 ▪ 85640 Putzbrunn / Munich Tel.: +49 89 46094-0 ▪ www.megatron.de ▪ [email protected] Specifications are subject to change without notice Technical Data Incremental encoders Singleturn absolute encoders In addition to many standard options, the modular system of the HTx25K encoders enables optimal adaptation to the respective requirements of the application. In addition, the concept also allows timely customer-specific adjustments (even in small series) based on a clearly structured price model. Typical modifications are, for example, customer-specific shaft geometries, custom signal output functions, special cable lengths or individually assembled electrical connection cables. The HTx25K is the smallest metal-housed kit encoder in the MEGATRON product range. They feature a solid aluminium housing, a high IP protection and can be precisely aligned with the magnet in the application. The signal processing is digital and based on latest Hall sensor technology that ensure reliable magnetic recording of measured values. The gradient-based evaluation ensures high interference immunity, e. g. against temperature fluctuations and EMC influences. The kit encoders of the HTx25K series are specially designed for applications in rough environments with limited space, where the rotation or angular position of externally mounted components are measured. The rugged contactless encoders in the Ø25 mm metal housing can be precisely matched to the respective area of application thanks to their numerous electronic and mechanical options. Whether as incremental or absolute value encoders, they cover a wide range of applications and, depending on the output electronics, are used in plant engineering, special machinery, and automated guided vehicles (AGVs), for example. HTx25K encoders – robust and versatile Ø25 mm aluminium metal housing Maximum life time expectation Magnetic, gradient-based signal evaluation Digital signal processing Protection IP68 Operating temperature range -30..85°C Measurement range up to 360° singleturn, 72000° multiturn Programmable signal output function (factory or fieldprogrammable/teach-in) Cable/connector outlet radial or axial Electrical connections M8 plug or round ca

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v. Redundant Serial Output SPI – HTS25KX c. Programmable Multi-/Singleturn Encoders with Analogue Output – HTA25KPM 4. MECHANICAL DATA, COMPLIANCE AND ENVIRONMENTAL SPECIFICATIONS 5. ORDER CODES – FULL OVERVIEW MEGATRON Elektronik GmbH & Co. KG ▪ Hermann-Oberth-Strasse 7 ▪ 85640 Putzbrunn / Munich Tel.: +49 89 46094-0 ▪ www.megatron.de ▪ [email protected] Specifications are subject to change without notice Technical Data iv. Serial output SPI, SPI or SSI – HTS25K iii. Pulse Width Modulation (PWM) – HTP25K ii. Redundant Analogue Voltage Output – HTA25KX...

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Series overview >>Please refer to the following sections for details Digital absolute Digital absolute Analogue absolute Analogue absolute Analogue absolute Effective electrical angle of rotation 0-10° to 0-72000° (programmable by user) factory programming 0 to 3600° Output type Push-Pull, open collector Supply voltage Output type Supply voltage Supply voltage(s) Output type Supply voltage MEGATRON Elektronik GmbH & Co. KG ▪ Hermann-Oberth-Strasse 7 ▪ 85640 Putzbrunn / Munich Tel.: +49 89 46094-0 ▪ www.megatron.de ▪ [email protected] Specifications are subject to change without notice Technical...

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Absolute Encoders with Current Loop or Voltage Output Key features HTA25K: Analogue outputs 0 to 5 V, 0 to 10 V, 4 to 20 mA Redundant versions available – see separate section Several factory programming possibilities Supply voltages: 5 VDC ±10%, 15 to 30 VDC, 9 to 30 VDC Electrical data Output signal Update rate Supply voltage Output load Power consumption (no load) Wire colour/pin assignment Option PG(R) Plug M8 (R) – pin assignment for 3-pin connector If you need a defined orientation of the cable outlet, please choose our housings with radial cable outlet and use straight mating connectors....

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Absolute Encoders with Current Loop or Voltage Output 1 m round cable, axial 1 m round cable, radial Plug M8, axial Connector M8, radial Round cable, customer-specific cable length [X,XX m], axial Round cable, customer-specific cable length [X,XX m], radial Installation variant/drilling pattern: Standard version S (Pins for exact alignment optional and not included) Variant P, pins pre-installed on the rotary encoder for precise alignment Overview PG PGR M8 M8R PGX,XX PGRX,XX Electrical connection, cable length: Order example HTA25K Requirements: VSUP=5 V / OUT=0 to 5 V, sense of rotation CW,...

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Absolute Encoders with Redundant Voltage Output Series HTA25KX – singleturn, analogue output, redundant Key features HTA25KX : Independent signal processing. The HTA25KX rotary encoder electronics are based mainly on one Hall IC in which two semiconductor dies independently capture, evaluate and output the measured values Supply voltage, signal output and ground are galvanically insulated => separate electrical connections Supply voltages: 2 x 5 VDC or 2 x 15 to 30 VDC Signal outputs: 2 x 0 to 5 V or 2 x 0 to 10 V Electrical data HTA25KX – singleturn, analogue output, redundant Output signal...

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Absolute Encoders with Redundant Voltage Output 1 m round cable, axial 1 m round cable, radial Plug M8, axial Connector M8, radial Round cable, customer-specific cable length [X,XX m], axial Round cable, customer-specific cable length [X,XX m], radial Overview PG PGR M8 M8R PGX,XX PGRX,XX Installation variant/drilling pattern: Standard version S (Pins for exact alignment optional and not included) Variant P, pins pre-installed on the rotary encoder for precise alignment Electrical connection, cable length: Rotation angle* in [°]: 360 320 270 180 90 Custom rotation angle (≥7°, positive integer)...

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HTx25K Brochure en

HTx25K Brochure en

Catalog excerpts

All MEGATRON Elektronik GmbH & Co. KG catalogs and technical brochures