RTX HDB User Applications

Real Time eXecutives, Inc.

Allen-Bradley PLC OPC Server

System Requirements


The OPC Server for Allen-Bradley PLCs is an OPC 2.0 compliant server that enables data interchange between the DD-Connect RTXHDB OPC Client and Allen-Bradley PLCs. The OPC Server provides read access to basic and structured PLC register types in PLC-5 and SLC-500 PLCs. Communication occurs using RS-LINX, which controls connections via RS-232, DH+, or Ethernet. Please note that the DD-Connect RTXHDB OPC Client only uses the read access function to store data on the RTXHDB historical database and does not use the write access function. The OPC server is self-optimizing and auto-configuring to provide easy, efficient, and reliable data transfer.




  • Windows 98 / Me / NT 4.0 / 2000 / XP Pro
  • Windows 2000 / XP Pro

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