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Schanzenfeldstr. 2
35578 Wetzlar
Encodermodule
Sensitec Encodermodule - Magnetoresitive Messsysteme für den Encoderbereich
Sensitec GmbH
Schanzenfeldstr. 2
35578 Wetzlar
Sensitec Encodermodule - Magnetoresitive Messsysteme für den Encoderbereich
Sensitec’s encoder modules consist of one or more sensor chips combined with signal and evaluation electronics. The raw sensor signals are prepared on the encoder modules and processed in such a way that they can ideally be used directly on a control system.
Depending on the version, the encoder modules provide different output signals and therefore cover a wide range of uses in a wide variety of end applications.
The latest, axial-measuring TMR FixPitch sensors enable a flat design and singleturn resolutions over 23 bit.
Magnetic sensor for high-speed applications and high temperatures, precise, robust, compatible with SmCo ring.
Below you will find a further selection of different sensor modules.
The EBI7901 sensor modules consist of an AMR sensor and an ASIC with interpolation function and provide two phase-shifted square-wave signals A and B when used with magnetic measuring scales. The EBI7901ZAx module is suitable for measuring scales from 2 mm pole length, while the EBI7901CAx module was developed for 1 mm pole length.
AMR-FixPitch sensor for 1 mm pole length
Technical documents
• Data sheet
AMR-FixPitch sensor for pole lengths greater than 2 mm
Technical documents
• Data sheet
Advantages
Applications
Product details
The sensor modules in this series consist of an AMR-FixPitch sensor and a 13-bit interpolation ASIC. When used with a magnetic measuring scale with a pole length of 1 mm, the modules provide two square-wave signals A and B that are phase-shifted by 90°. The modules have additional protective diodes at the outputs and the supply voltage.
The resolution can be set to up to 8192 measuring steps per pole. The modules are calibrated during production and therefore offer increased accuracy.
AMR-FixPitch sensor for 1 mm pole length/one reference pole per pole
Technical documents
• Data sheet
AMR-FixPitch sensor for 1 mm pole length/additional protective diodes
Technical documents
• Data sheet
Advantages
Applications
Product details
The EMI7913 sensor module has been specially developed for use in linear motors. The module can be adapted to the magnetic pitch of the linear motor and the motor magnets are used as a measuring scale for the sensor module. The sensor module is equipped with additional signal processing with an A/B quadrature output or a 1 Vpp interface. Two different module sizes are available to increase the accuracy of the module. This ensures optimum adaptation to the motor magnets.
Sensor module especially for linear motors
Technical documents
• Data sheet
Advantages
Applications
Product details
With one exception, the compact and high-resolution sensor modules in the EBI7914 series consist of AMR fixed-pitch sensors and an interpolation ASIC. When used with a magnetic measuring scale with different pole lengths, the modules provide two differential square-wave signals A and B, phase-shifted by 90°. The module has an automatic auto-calibration function for optimum measurement results.
Compared to the EBI7914, the EBR7914 variant is equipped with an additional circuit board with a reference sensor based on the GMR effect. The signals from the reference sensor are processed in the ASIC together with the incremental signals. The modules therefore provide 3 differential output signals (A/B/Z).
Another special variant for measurement at the shaft end is equipped with a TA903 sensor based on the TMR effect. This can be used in combination with a dipole magnet for absolute 360° measurement.
Modular incremental sensor module with optional reference
Technical documents
• Data sheet
Modular incremental sensor module with optional reference
Technical documents
• Data sheet
Advantages
Applications
Product details
The PAM7941 sensor kit consists of the 360-degree absolute sensor and a two-track axial magnetic disk. This system enables a true “true power-on” position measurement system with a resolution of up to 21 bits and a standard SPI interface (optional SSI or BiSS-C). Thanks to its flat design, the system is ideal for robot applications and flat motors.
The PAM7943 encoder also contains a 360-degree encoder and a dual-track magnetic disk, but both parts are assembled and calibrated directly in bearings. This enables resolutions of up to 24 bits. Both systems offer high accuracy and reliability thanks to MR sensor technology and integrated correction algorithms.
360° axial absolute encoder
Technical documents
• Data sheet
Advantages
Applications
Product details
The EBR7915 from Sensitec is a high-precision magnetic sensor specially developed for industrial applications. It uses the magnetoresistive principle to perform accurate measurements of position and speed. The sensor offers excellent resolution and reliability, is compact and robust. In combination with an SmCo ring, it is ideal for high-speed applications or environments with high temperatures. With flexible mounting options and high temperature resistance, it can be used in a wide range of applications, for example in motor control, robotics or automation technology. The EBR7915 impresses with its powerful signal processing and simple integration into existing systems.
Enclosed module for spindle applications
Technical documents
• Data sheet
Advantages
Applications
Product details
Incremental sensor module for ferromagnetic tooth structures with digital output
Technical documents
• Data sheet
Incremental sensor module for ferromagnetic tooth structures with analog output
Technical documents
• Data sheet
Incremental sensor module for ferromagnetic tooth structures with digital output and additional reference sensor
Technical documents
• Data sheet
Incremental sensor module for ferromagnetic tooth structures with analog output and additional reference sensor
Technical documents
• Data sheet
Advantages
Applications
Product details
The “FOCUS” programming and calibration tool was specially developed to easily recalibrate the EBR7811 sensor modules in the customer application and also to change settings on the module.
The tool offers an automatic calibration process and also a logging function for the calibration process using clear PC software – this is particularly suitable if the module is calibrated in production or in customer service.
Calibration system for the EBx7811 encoder modules
Software
• USB-Treiber(CP2102)
• GUI
Advantages
Applications
Product details
