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You are here: Home > OPC Download Center > OPC Products > A-B Unsolicited Ethernet

Allen Bradley Unsolicited Ethernet OPC Server

Kepware's 32 bit Allen Bradley Unsolicited Ethernet device driver works in conjunction with the OPC/DDE Server, KEPServerEX to provide data exchange between OPC & DDE Clients and Allen Bradley PLC-2 compliant PLCs via Ethernet. The Unsolicited driver allows an OPC client application to appear as 1 to 256 AB devices on the network. The slave mode allows the server to receive data by exception from an AB master. As with any slave device, the AB Unsolicited driver will only transfer data when being read or written by a master. KEPServerEX automatically optimizes your data acquisition based on client demand. Data integrity is ensured with our extensive error handling.

Specific Driver Features:

Acts as a single simulated Allen-Bradley PLC-2.
Up to 256 devices may connect to the simulated PLC-2 at any time.
Sockets used by incoming connections are aged according to activity level.
All major memory and data types supported.

Vendor: Kepware Technologies

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Kepware is the world leader in communication software for automation and offers unique experience in both OPC and embedded device communications. Since 1995, Kepware has focused on the development of communication drivers to automation controllers, I/O and field devices. Kepware's unique driver architecture combined with industry and third party vendor standards ensure Kepware's ability to deliver state of the art and ideal fit solutions for industry leading automation suppliers. Today, with over 100 communication protocols, and through the efforts of our direct sales, distribution and embedded partners, Kepware is the leading provider of communications with annual shipments exceeding 100,000 units. Our mission is to become the de facto standard for third party connectivity. Kepware genuine OPC software products are known worldwide for quality, reliability and ease of use. Kepware's responsiveness to customer needs and strong partnerships with other leading automation suppliers ensure that your next application will be a success. Ask around and you'll hear why automation professionals everywhere consider Kepware Technologies "Automation's Best Friend".

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