EtherCAT® Communication with Beckhoff® Analog IO Slave Devices EL3062 and EL4002. Communicate with EtherCAT devices using the Beckhoff® analog I/O terminals EL3062 ... Hey, I´ve a problem with Beckhoff coupler EK1100. When I create a project with RT-Target and EtherCAT Master and Slave the first time everything runs normally (I can read and write all I/O´s at the Beckhoff). After a couple of restarts the RT can´t establish a connection with the EtherCAT Slave. If I disconnect the plug from the coupler and connects it, nothing happens. But if I disconnect ...First, Beckhoff TwinCAT PLC takes advantage of a PC CPU and memory, which means you can scale up the performance of your system for a fraction of the cost of scaling up to large PLC and PAC systems. Secondly, if you use EtherCAT, you get to scale up your I/O sizes without as much impact on performance or price. Signal distribution board. The EtherCAT plug-in modules can be directly attached to a PCB. This application-specific PCB (signal distribution board) distributes signals and power supply to individual application-specific plug connectors, in order to connect the controller to further machine modules.LAN9252 - 3-Port EtherCAT Slave Controller Evaluation Kit with SPI PDI Interface ( EVB-LAN9252-3PORT ) (Not Recommended for new design) The LAN9252-3PORT EVB is an 3-Port EtherCAT slave controller which addresses our customers’ requests for a standalone platform to develop an EtherCAT slave device with SPI/SQI as the PDI Interface .