ShortBus is a freeware Visual Studio .NET (3.5, 4.0 and 4.5) dll that provides master functionality (Modbus RTU and Modbus TCP/IP) and slave functionality (Modbus RTU only). Supported master and slave function codes include 0, 1, 3, 4, 5, 6, 15 and 16. Also included are additional functions to post-process results into various formats and full text logging capabilities. ShortBusCE (Modbus RTU only, no logging) is also provided for .NET 2.0 and 3.5 compact frameworks and was tested using Windows Embedded CE 6.0.
ShortBus Modbus Scanner is a free Modbus RTU and Modbus TCP/IP master utility with full text logging capabilities. ShortBus Modbus Scanner allows reading and writing in multiple formats and has automated write options to help test slave devices. ShortBus Modbus Scanner uses the ShortBus dll for all Modbus master functionality. CURRENT VERSION - 2.5
ShortBus Modbus Server is a free Modbus RTU slave utility with full text logging capabilities. ShortBus Modbus Server can simulate up to 65535 registers on multiple slaves or can respond to all slave requests in test mode by setting node to 0. ShortBus Modbus Server uses the ShortBus dll for all Modbus slave functionality. CURRENT VERSION - 2.0