Overview
Hengstler is a prominent manufacturer of industrial components such as encoders, counters, relays, printers, and cutters. The company is recognized for its innovative products and global reach, with headquarters in Aldingen, Germany, and facilities in Slovakia, the USA, China, Brazil, and Japan.
Product Range- Encoders: Hengstler offers incremental, absolute, and motor feedback encoders, available in explosion-proof and stainless steel versions for applications in CNC machines, motors, and medical technology.
- Industrial Counting and Control Components: Includes mini-counters, control counters, multifunction counters, position indicators, timers, and tachometers.
- Printers and Cutters: Solutions for info points, ticket dispensers, and POS systems, with accessories like winders and cutters.
- Relay Technology: A range of safety relays, including bistable, isolation, high-voltage, and mini switching relays.
Technical Specifications
Hengstler encoders feature advanced technology with high protection against electromagnetic interference, self-monitoring, and fault detection. They come in various configurations, including different flange and shaft sizes, resolutions, and protection classes up to IP 67.
Quality and Innovation
Hengstler emphasizes high-quality materials and processes, with certifications from VDE, UL, CL, and TÜV. The company is DQS-certified to ISO 9001, ensuring reliability and quality in its products.
Customer Service
Hengstler offers extensive customer support through its global network, providing technical assistance, quick response to queries, and a 48-hour repair service. The company also offers flexible manufacturing and short delivery times to meet customer needs.
Conclusion
Hengstler is a reliable partner in industrial components, offering a wide range of products and solutions tailored to customer needs. Their commitment to innovation, quality, and customer service makes them a preferred choice for businesses worldwide.
Incremental EncodersIncremental encoders generate signals in response to rotary movement and can measure linear movement with mechanical conversion devices. They are used in applications like door closing devices for trains, desktop robots, lens grinding machines, plotters, and testing machines for optical waveguides.
Technical Specifications- Supply Voltage: DC 5 V / DC 10 - 30 V
- Current Consumption: 40 mA (DC 5 V), 30 mA (DC 24 V), 60 mA (DC 10 V)
- Frequency Response: 300 kHz (RS 422), 200 kHz (push-pull)
- Protection: Short circuit protection for push-pull outputs
- Temperature Range: -40° to +100°C
Mechanical Data- Shaft Diameter: 5 mm, 6 mm, 6.35 mm, 10 mm, 12 mm
- Max Shaft Load: Radial 10 N, Axial 5 N
- Max Speed: 10,000 min-1
- Protection Class: Housing IP 64, Bearings IP 64
- Material: Aluminium housing
Electrical Data- Incremental Signals: A, B, N
- Absolute Accuracy: ±35"
- Repeatability: ±7"
- Max Frequency: 500 kHz
Special Features- Harmonic distortion less than 1%
- Self-monitoring and error compensation
- Secure against short-circuit and overload
Applications
These encoders are suitable for CNC machines, manipulators, motors, medical technology, textile machines, and other industrial applications requiring high pulse frequencies and protection against environmental factors.
Connection and Mounting- Available with synchro flange, pilot flange, and various connector options
- Pin assignments and cable specifications provided for different output types
ACURO Absolute Shaft Encoders
These encoders are designed for precise position measurement in industrial applications, offering high precision and reliability with different interface options.
Mechanical Specifications- Housing diameter: 58 mm or 110 mm
- Protection classes: IP 50 to IP 67
- Flange types: Synchro, clamping, and square flanges
- Shaft diameters: 6 mm to 50 mm
- Max speed: Up to 10,000 min-1 continuous, 12,000 min-1 short-term
- Operating temperatures: -40°C to +85°C
Electrical Specifications- Supply voltage: DC 10-30 V
- Current consumption: 220 mA to 250 mA
- Interfaces: RS 485, Profibus DP, CANopen, DeviceNet, Interbus
- Resolutions: Up to 29 Bit (17 Bit ST, 12 Bit MT)
Special Features- Diagnostic LEDs, compact design, and options for a "tico" display
- Explosion-proof models with ATEX certification
Applications
Used in packaging, ship equipment, offshore applications, and more, designed to withstand high vibration and shock resistance.
Motor Feedback Systems
Hengstler offers a range of motor feedback systems, including modular miniature incremental encoders and absolute encoders for various motor types. These systems are designed for high precision and dynamics, with features like OptoAsic technology and BiSS interface.
Specifications- Operating Frequency: Up to 200 kHz for most models, with some supporting up to 500 kHz.
- Resolution: Varies from 512 lines/rev to 10,000 ppr depending on the model.
- Shaft Diameter: Ranges from 1.5 mm to 50 mm, accommodating various motor sizes.
- Max Speed: Typically up to 12,000 min-1, with some models supporting continuous operation at lower speeds.
- Operating Temperature: Generally between -40°C to +120°C, ensuring functionality in diverse environments.
Mechanical Data- Protection Class: Varies from IP40 to IP67, indicating different levels of dust and water resistance.
- Mounting: Options include direct mounting, clamping flange, and stator coupling, with mounting depths ranging from 20 mm to 50.5 mm.
- Material: Housings are typically made of aluminum, providing durability and lightweight characteristics.
Electrical Data- Supply Voltage: DC 5 V ±10% or DC 10-30 V, depending on the model.
- Output: Includes RS 422, push-pull, and NPN-O.C. configurations, supporting various signal types like square wave and sinus-cosinus.
- Current Consumption: Ranges from 10 mA to 120 mA without load, with additional specifications for incremental and commutation signals.
Special Features- Encoders are designed for easy installation with features like flexible hollow shaft concepts and short mounting depths.
- Some models include integrated diagnostic systems and are compatible with resolver mounting.
- Applications include positioning drives, motors, machine tools, packaging machines, and more.
Applications
These encoders are suitable for use in motors, machine tools, packaging machines, robots, and automated SMD equipment, providing precise feedback and control in various industrial applications.
General Information
The document provides technical specifications and details for various types of encoders used in motor feedback systems for AC synchronous and BLDC motors. These encoders are designed to offer high performance and reliability in demanding applications such as CNC precision machining and professional printing.
Type F18 Encoder
The F18 encoder is designed for stepper and servo motor controls, offering high performance and cost-effective feedback. It features a compact design with a pluggable pin header and a compliant tether for easy mounting. The encoder uses optically-generated signals for higher accuracy and reliability, eliminating hysteresis found in units with hall effect sensors. It supports a range of pulse counts and optional commutation signals.
Technical Data - F18- Supply Voltage: 5 V ±10%
- Max Current: 150 mA (incremental), 175 mA (incremental + commutation)
- Resolution: Up to 10,000 ppr
- Output Frequency: 250 kHz up to 1,024 ppr, 500 kHz > 1,024 ppr
- Signal Level: TTL differential (RS422)
Type AD36 Encoder
The AD36 is an absolute encoder with a geared multiturn and optical sensing technology. It features a through hollow shaft and is compatible with resolver size 15. The encoder provides fully digital position data up to 19 Bit (Singleturn) and 12 Bit (Multiturn) over the BiSS interface. It includes an integrated diagnostic system for maximum motor uptime.
Technical Data - AD36- Supply Voltage: DC 5 V or DC 10-30 V
- Resolution: Singleturn up to 19 Bit, Multiturn up to 12 Bit
- Max Speed: 10,000 rpm continuous, 12,000 rpm short term
- Protection Class: IP 40
Type AD58 Encoder
The AD58 encoder is designed for high-speed, all-digital applications. It offers a geared multiturn and optical sensing technology, suitable for integration into BLDC servo motors. The encoder provides fully digital position data up to 22 Bit (Singleturn) and 12 Bit (Multiturn) over the BiSS interface.
Technical Data - AD58- Supply Voltage: DC 5 V
- Resolution: Singleturn up to 22 Bit, Multiturn up to 12 Bit
- Max Speed: 10,000 rpm continuous, 12,000 rpm short term
- Protection Class: IP 40
Type S21 Encoder
The S21 encoder is designed for a wide operating temperature range and offers high signal quality with excellent immunity to interference. It features a sine-wave signal output and is suitable for smaller sized motors.
Technical Data - S21- Supply Voltage: DC 5 V ±10%
- Max Current: 120 mA
- Number of Pulses: 2,048
- Max Frequency Output: 500 kHz
- Protection Class: IP 40
Motor Feedback Systems - Sine-wave for AC Synchronous & BLDC Motors
Type S21 encoders are designed for high positional accuracy with servo axes. They feature a tapered solid shaft with mounting support and are available with a tapered hollow shaft upon request. The encoders provide precise feedback for motor control applications.
Resolvers - Modular and Housed
Resolvers offer accurate, absolute position feedback and are robust enough to withstand high shock and vibration levels. They operate in extreme temperatures up to 220°C and are maintenance-free. Applications include servo drives, medical technology, robots, and military engineering. Housed resolvers are brushless, maintenance-free, and suitable for harsh environments with high reliability and precision.
Position Indicator - Signo 727 SSI
The Signo 727 SSI is a position indicator for absolute encoder connections, featuring a large LED display, programmable limit values, and relay outputs. It supports synchronous serial interfaces and is suitable for various applications, including machine position indication and totalizing values. The device is programmable with three operating levels and offers protection against unauthorized programming.
Flexible Couplings
Flexible couplings are used to protect shaft encoders from mechanical stresses due to misalignments. Various types of couplings, including helical, plastic, isolated disk, and bellows couplings, are available, each with specific torque, speed, and misalignment specifications. These couplings are suitable for different encoder types and applications.
Mounting and Connectors
Various mounting options and adapters are available for encoders, including synchro flange adapters and clamping eccentrics. Connectors are designed with a numbering system for easy installation and compatibility with different encoder types.
Overview: This document provides detailed technical specifications and guidelines for various types of connectors, extension cables, measuring wheels, and encoder basics. It includes information on connector types, ordering codes, and application recommendations.
Connectors: The document categorizes connectors into plugs, couplings, and general connectors, each defined by their threading and contact types. Specific connectors are listed with their corresponding ordering codes, suitable for different encoder housings and cables. The document also details connectors for downstream logic circuits and mounting accessories.
Extension Cables: Extension cables are described with specifications such as pin color, lead size, and ordering codes. The document provides details on cable lengths and matching connectors for various encoder models, including those with SSI and parallel interfaces.
Measuring Wheels: Guidelines for selecting measuring wheels are provided, emphasizing minimizing slip and choosing appropriate tread materials based on application. The document lists different tread types and their applications, along with ordering data for various wheel dimensions.
Encoder Basics: The document explains the function of incremental encoders, detailing signal generation and evaluation methods. It covers output signals, maximum speed calculations, and protection classes. The document also includes mounting examples for shaft encoders with different flange types.
Encoder Basics
Encoders are devices used to convert mechanical motion into electrical signals. They are categorized based on their mounting and shaft types, including pilot flange, square flange, synchro flange, hollow shaft, and solid shaft encoders. Each type has specific installation methods, such as using fastening threads, angle brackets, or clamping eccentrics. Solid shaft encoders require couplings to compensate for misalignment and axial movements.
Incremental Encoders
Incremental encoders provide output signals that indicate the position of a rotating shaft. They use RS 422 and TTL outputs, with specifications for pulse shape, duty factor, phasing, symmetry, and output frequency. The encoders are equipped with short circuit protection and pole protection, depending on the voltage range. Cable length affects the output frequency, with specific recommendations for different voltage levels.
Push-Pull Outputs
Push-pull outputs are available in different configurations, including complementary outputs. These outputs are characterized by their pulse shape, duty factor, phasing, symmetry, and maximum output frequency. They offer short circuit protection and pole protection, with cable length affecting the output frequency.
Alarm Outputs
Encoders with alarm outputs have an electronic monitoring system to report malfunctions. The alarm output can be connected to an optical display or control system. Malfunctions are categorized into three types: damaged disks, overtemperature, and voltage range issues. Each category has specific corrective actions.
Sine-Wave Encoders
Sine-wave encoders use OptoAsic technology to provide high-quality signals with low harmonic distortion. They are suitable for applications requiring precision at low speeds without compromising speed. Typical applications include machine tools, printing machines, and gearless elevators.
Absolute Encoders
Absolute encoders provide position information without the need for reference runs. They are available in single-turn and multi-turn versions, with compact designs and high reliability. The ACURO series offers advanced interface technology, including CAN, Suconet K1, and DeviceNet, making them suitable for motor feedback and automation engineering.
Overview of ACURO Absolute Encoders
The ACURO absolute encoders are designed for high reliability and long service life, utilizing advanced semiconductor technology. They are user-programmable and offer advantages such as easy data processing and mechanical system optimization. These encoders are suitable for determining angular positions in automated systems, eliminating the need for reference runs after power interruptions. They are also highly compatible with electromagnetic environments and offer a good price/performance ratio.
Interface Options- INTERBUS: Integrated in a compact housing, it offers real-time data transfer with reduced wiring costs and noise sensitivity. It supports up to 256 subscribers and ensures data integrity with a 16-bit CRC.
- SSI (Synchronous-Serial Interface): Designed for environments with mechanical and electrical stresses, it offers data transfer rates up to 1.5 megabits per second with minimal components and cabling.
- BiSS: A bidirectional digital sensor interface that supports up to 8 sensors, offering high-speed data transmission and synchronization precision.
- Profibus DP: Supports programmable encoder profiles.
Technical Specifications- INTERBUS supports a maximum cable length of 13 km for remote buses and 10 m for peripheral buses, with a transmission speed of 500 kBit/s.
- SSI offers data transfer with a defined number of clock pulses and supports ring-register mode for repeated polling.
- BiSS protocol allows for clock rates up to 10 Mbit/s and supports various data sections for different sensor applications.
Applications
ACURO encoders are versatile, suitable for medical technology, elevators, printing, paper processing, metal-processing machinery, and dynamic drives.
Diagnostic and Configuration
INTERBUS provides a sophisticated diagnostic system with centralized error display and self-acting fault detection. The BiSS interface allows for easy configuration with XML-descriptive files and compensates for line delays to optimize performance.
Overview of CAN Protocol and CANopen Communication
The document discusses the CAN protocol, highlighting its high transmission reliability with a Hamming distance of 6. The Intel 82527 CAN-Controller used in encoders is compatible with both basic and full-CAN specifications, supporting CAN 2.0 part B with 11-bit and 29-bit identifiers. The AC 58 encoder can record and signal the position of machine parts to control systems via the CAN bus.
CANopen Communication Model and Profile
CANopen, developed under the Steinbeis Transfer Centre for Automation, is a streamlined version of the CAN Application Layer (CAL) optimized for real-time data transfer. It supports auto-configuration, device synchronization, and both cyclical and event-controlled data processing. CANopen uses four communication objects: Process Data Objects (PDO), Service Data Objects (SDO), Network Management (NMT), and predefined objects for synchronization and emergency messages.
CANopen Encoder Device Profile (CiA DSP 406)
The CANopen profile for encoders defines a manufacturer-independent interface, detailing standard (C1) and extended (C2) categories of functions. The profile allows for an open bus system, with device parameters stored in an object directory.
Data Transfer and COB Identifier
Data transfer in CANopen is managed through PDOs for real-time data and SDOs for parameter transfer. The priority of messages is determined by the COB identifier, with lower identifiers having higher priority. The 11-bit identifier includes a function code and node number, set via DIP switches.
DeviceNet Overview
DeviceNet, developed by Allen-Bradley, is a network protocol for industrial automation, supporting up to 64 nodes per network. It reduces cabling and installation efforts and allows for device configuration over the network. DeviceNet uses a linear bus topology with 24VDC power and supports high-speed I/O and diagnostics.
Profibus-DP General Information
Profibus-DP is an open field bus standard for quick data exchange in automation, supporting up to 126 devices per bus. It allows for cyclical data transfer and powerful diagnostic functions. The system supports mono- and multimaster configurations, with different device types including DP master classes 1 and 2, and DP slaves.
Profibus-DP Basic Functions and Configuration
Profibus-DP supports cyclical user data transfer, dynamic activation of DP slaves, and powerful diagnostic functions. It allows for flexible system configurations with a maximum of 246 bytes of input and output data per DP slave. Diagnostic functions include station-related, module-related, and channel-related diagnostics.
Document Overview: This document provides information about Hengstler's range of products including encoders, counters, indicators, relays, printers, and cutters. It includes contact details for Hengstler's international offices and agents across various countries.
Specifications: The document mentions that it is printed on environmentally friendly paper from chlorine- and acid-free production, indicating a commitment to sustainable practices.
International Presence: Hengstler has a global presence with offices and agents in numerous countries including Argentina, Australia, Brazil, China, France, Germany, India, Japan, and the USA, among others. Each location provides specific contact information including telephone, fax, and email addresses.
Quality Standards: Hengstler GmbH is DQS certified according to DIN EN ISO 9001, Reg. No. 1540-01, ensuring adherence to international quality management standards.
Product Focus: The document specifically highlights that certain information is relevant only for printers and cutters, suggesting specialized content for these products.