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You are here: Home / Networking + IoT / I/O / Beckhoff debuts EtherCAT Plug-in I/O modules with compact drive technology

Beckhoff debuts EtherCAT Plug-in I/O modules with compact drive technology

May 10, 2016 By Miles Budimir Leave a Comment

EJ-series EtherCAT plug-in I/O modules provide an efficient wiring solution for machines built in large and medium-sized production runs. With new EJ7xxx motion modules, space-saving compact drive technology from Beckhoff is seamlessly integrated into a plug-in module concept, enabling extremely compact I/O and motion solutions. These include modules for servo, stepper and DC motor types.

EJ-series plug-in modules make it easy to implement a platform concept for large-volume production runs without sacrificing customization capabilities. The modules, with electronics based on the popular EtherCAT I/O system, are directly inserted into an application-specific signal distribution board that transmits signals and power to individual connectors. Connections via pre-configured cable harnesses replace the expensive installation of individual wires, reducing per-unit costs and minimizing the risk of faulty wiring because the EJ components are clearly coded.

Already available in a Bus Terminal I/O form factor for years, compact drive technology is now also available from Beckhoff as a plug-in I/O module concept. In combination with a broad portfolio of Beckhoff motors and planetary gear units, three new EJ7xxx EtherCAT plug-in modules now enable especially compact and cost-effective drive solutions.

EtherCAT

The EJ7047 stepper motor module was designed for applications in the medium performance range. The device features two inputs for limit switches; the second input can alternatively be configured by the user as an output. This makes it possible to install a holding brake, for example. In conjunction with stepper motors from the Beckhoff AS10xx series, the user can optionally implement vector control, delivering enhanced motion dynamics and reduced power consumption.

The EJ7211-0010 servomotor module features high performance in an exceptionally compact design. This is, in large part, enabled by the integrated One Cable Technology (OCT), which combines the motor cable and an absolute feedback system into a single cable. The EtherCAT plug-in module seamlessly integrates with motors from the Beckhoff AM8100 series, offering output current up to 4.5 ARMS. The system reads the identification plate of the AM81xx motors electronically, minimizing wiring and commissioning time. The fast control technology, based on a field-oriented current and PI speed control system, is suitable for demanding, highly dynamic positioning tasks.

The EJ7342 2-channel DC motor output stage is designed for direct operation of two DC motors, and offers galvanic isolation from the E-bus. Speed and position are set by the automation device via a 16-bit value, so a simple servo axis can be implemented by connecting an incremental encoder.

For more information, visit the Beckhoff site here.

 

Filed Under: I/O, Networking + IoT Tagged With: Beckhoff

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