Beckhoff: System-integrated overcurrent protection with EtherCAT
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Aircraft component manufacturing automation

A large sensor and measuring instrument manufacturer offers an innovative factory automation capability for industrial manufacturers and warehouse distribution centers. Optimizing efficiency and increasing productivity through mechanization and industrial innovation is the goal.

An industrial production company creating aircraft parts received a plan from a factory automation integrator to streamline a floor process in the warehouse. The specific assembly process was responsible for etching numbers onto finished parts and readying them for shipment.

Included in the assembly, the sensor manufacturer′s laser marking machine etches part numbers onto the completed projects. A robotic arm then receives each etched piece and packs it properly for shipping. This configuration is integrated and controlled by a PLC, PC application and Comtrol′s DeviceMaster UP 2-Port 2E with its DualConnectPlus feature. This manufacturer needed to connect the raw/ ASCII laser marker over serial RS-232 to an EtherNet/IP enabled PLC.

Conversion to EtherNet/IP

The laser marker is connected to the DeviceMaster UP via RS-232 serial. Data is transmitted from the laser marker through the DeviceMaster UP where conversion to EtherNet/IP takes place to route the data to the PLC.

The DualConnectPlus feature was utilized to ensure that connection between the laser marker and the DeviceMaster UP was operating correctly, before moving on to troubleshoot the connection between the DeviceMaster UP and the PLC.

DualConnectPlus technology connects raw/ ASCII devices (serial and/or Ethernet) to PLCs and/or applications simultaneously. String, RFID, and barcode data filtering eliminates redundant data while extracting the RFID and barcode parameters. It opens communication to the SCADA system and can provide troubleshooting information for individual steps of the communication process.

This information can determine PLC, device and sensor health, along with helping to yield consistent communication and successful integration. The manufacturer was able to correctly identify where the communication process in this system was initially failing by using DualConnectPlus and the company′s engineering technical support team.

The DeviceMaster UP DB9M 2-Port 2E Ethernet gateway operates in a -37 to 74C temperature range and variable power input eliminates the need for power converters.

DeviceMaster UP technology provides EtherNet/IP, Modbus, and PROFINET IO connectivity to a wide variety of devices. It can enable you to quickly connect PLCs, SCADA, OPC servers and applications to devices such as barcode scanners, RFID readers, weigh scales, vision systems, printers, encoders, HVAC and sensors.

Application story by Comtrol.


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