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About This File

.NET class library for use in Visual Studio.NET to create HMI/SCADA apps that communicate with A-B ControlLogix, CompactLogix, Micro800 Series, PLC5, SLC500, and MicroLogix PLCs via Ethernet.


  • For .NET Framework 2.0 - 4.8 projects.
  • Does not require OPC, RSLinx, or 3rd party drivers.
  • x86, x64, and Any CPU compatible.
  • Visual Studio.NET 2010, 2012, 2013, 2015, 2017, 2019, and 2022 compatible
  • Supports unsolicited messages.
  • Most .NET Framework targets are supported, including Web, Windows, console, and service apps.
  • Can be configured programmatically or visually
  • Visually design your entire communications configuration without writing a single line of code
  • Extremely high performance - 5~10 mSec typical transaction time
  • Supports ControlLogix family native tag names
  • Supports reading and writing entire ControlLogix family UDTs and PDTs
  • Supports block transfers of up to 250 words per transaction
  • Tag database can be configured via code or visual designer
  • Abstract base classes allow you to write generic code that works with all drivers
  • Synchronous and asynchronous read/write methods
  • Data change notifications
  • Provides common user interface across all driver classes
  • No limit on number of devices or data points
  • Multi-threaded for high data throughput
  • Includes extensive help system
  • Example applications with VB and C# source code included.
  • Easily connect office systems to factory floor.
  • Runtime-free for qualified applications


What's New in Version


Refer to revision history for details.