Plug-in IO modules with EtherCAT technology

Beckhoff's EJ7xxx-series of EtherCAT plug-in I/O modules are designed to provide an efficient wiring solution for machines built in large and medium-sized production runs.

05/13/2016


Beckhoff's EJ7xxx-series of EtherCAT plug-in I/O modules are designed to provide an efficient wiring solution for machines built in large and medium-sized production runs. Courtesy: Beckhoff AutomationBeckhoff's EJ7xxx-series of EtherCAT plug-in I/O modules are designed to provide a wiring solution for machines built in large and medium-sized production runs. EJ-series plug-in modules can implement a platform concept for large-volume production runs without sacrificing customization capabilities.

The modules, with electronics based on the EtherCAT I/O system, are directly inserted into an application-specific signal distribution board that transmits signals and power to the 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.

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. The user can also optionally implement vector control for enhanced motion dynamics and reduced power consumption.

The EJ7211-0010 servomotor module has a compact design 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 integrates with motors and offers output current up to 4.5 ARMS. The control technology 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.

Beckhoff Automation

www.beckhoff.com 

- Edited by CFE Media. See more Control Engineering I/O system and module products.



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