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The ABTCP Communication Driver (referred to as the Communication Driver through the remainder of this user’s guide) is a Microsoft® Windows® application program that acts as a communications protocol server. Its user interface is a snap-in Microsoft Management Console (MMC) program, which is part of the Operations Control Management Console (OCMC) suite of utilities.

This Communication Driver allows other Windows application programs access to data in PLCs (also referred to as devices) attached to an Ethernet network or through a Pyramid Integrator module. The Communication Driver requires a TCP/IP package that supports the WinSock interface standard. It can access data directly via the Ethernet in programmable controllers such as SLC-5/05, Ethernet PLC-5, or PLC-5/250 using an Ethernet Interface Module (a Pyramid EI integrator module).

This document describes the ABTCP Communication Driver, and the device and protocol environment in which it works. It includes application-level and bus-level communications protocols, item naming conventions, and Communication Driver features.