Rockwell/Allen Bradley ethernet communication Protocol/driver 1.0.0

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About This File

The Allen-Bradley Ethernet Driver provides an easy and reliable way to connect Allen-Bradley Ethernet devices to Client applications, including HMI, SCADA, Historian, MES, ERP and countless custom applications. This driver supports the Allen Bradley SLC 5/05 series, PLC-5 series, ControlLogix, CompactLogix, and MicroLogix PLCs.


  • Interface: TCP/IP Ethernet Port, DHRIO, Net-ENI

  • PLC Supported: AB Controllogix, Compactlogix, Micrologix,  SLC50x, PLC5, via TCP/IP Ethernet built-in or Module port. Any device with Ethernet/IP protocol. 

  • Methods:  Open, Close, RefreshInfo, ClearDataBuffer

  • Events:  OutCome (fires when a communication transaction completes) , RXComplete, TXComplete

  • General: Also Supports unsolicited messages from SLC, Clogix family. Via DHRIO, access SLC & PLC5 data tables for read/write. Read or write most of the AB data types. support for DataQueue reads in SLC and Micrologix

  • Throughput: Reads 100 consecutive registers @ 10Mhz in 40 msec.

This driver can be conviniently used with Visual Studio in development of complete large scale complex HMI/SCADA Systems. It can be used to perform advanced reporting MES, analytics, IoT, Big data type apps. One example is available to download here