AB DF1 Protocol RS232 driver for Micrologix, SLC500, PLC 5. Written in Visual Basic 2005. Demo (ABUtilities) uses the protocol to read/write data tables, monitor tables, change mode, sync clock, save/rewrite data tables, up/download program. Free HMI


  • Added Support for MicroLogix 1100 and 1400
  • Asynchronous and Synchronous Reads

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Intended Audience


User Interface

Win32 (MS Windows), Non-interactive (Daemon)

Programming Language

Visual Basic .NET