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 function codes include 0, 1, 3, 4, 5, 6, 15 and 16. Supported slave function codes include 3, 4, 6, and 16. Also included are additional functions to post-process results into various formats. ShortBusCE (Modbus RTU only) 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. 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.