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The EtherNet/IP Adapter DLL Kit (EIPA) provides EtherNet/IP Adapter Class functionality for applications developed on PC / Windows™ platforms. The EIPA package consists of a user-mode DLL, COM (ActiveX) component for use of the EIPA DLL with VB, sample Adapter/Server source code (demonstrates use the EIPA DLL), sample STC andEDS files, reference manuals and application notes.

The EIPA DLL provides an Application Programming Interface (API) for using Common Industrial Protocol (CIP) via the TCP/IP (WinSock) interface. The EIPA library can be statically or dynamically linked with the target application software.

The EIPA (EtherNet/IP Adapter Class Protocol Stack) acts as a connection target / server for a variety of I/O connections based on the connection configuration specified by the user. The EIPA also provides unconnected message client andserver capability.

Features
Supported Objects
Version 3.7.0 Updates

Features

• EtherNet/IP Adapter andMessage Class implementation
• UCMM (unconnected) explicit message client and server
• Class 3 (connected) explicit message server
• Class 1 (I/O) implicit connection server
• All resources are initialized at startup; no dynamic memory or thread allocation
• Runs on a single thread!
• Dynamic registration of additional objects for client application processing 
• Compatible with Windows XP/2000/NT
• The EIPA package includes the EIPA DLL, Getting Started Guide, Developer Reference Manual, COM Server ActiveX Component for use with Visual Basic, EIPA COM Server Reference Manual, sample Adapter/Server application source code andApplication Notes

EIPA Supported Objects

• Message Router
• Connection Manager
• Identity
• Ethernet Link
• TCP/IP
• Discrete Output Point
• Assembly 

Version 3.7.0 Updates

• Support for ODVA Conformance Test A5 including .stc files for Conformance Test A5, dated 11/9/07
• Added support for 32-bit logical segments.
• Support for multiple Port Object instances to accommodate multiple network cards for Unconnected Sends through different (internal) NICs
• Added support for replying to Multiple Service request
• Added EtIPStartRequestGroup() and EtIPStopRequestGroup() to make sending a Multiple Service request easier (with example)
• Added support for Large Forward Open
• Added support for "Backplane" Port Object instance.
• Added support to have platform set TCP/IP attributes.
• Added examples using Visual Studio 2005.
• Added EtIPSendEPATHUnconnectedRequest to COM object.
• Updated File Object
• Updated Logix Tag Read and Write Demo
• Added support for RPI of 0 for certain connection types (To support conformance test)
• Updated sample EDS file per EDS Authenticator

The EADK is distributed under a royalty-free site license.