[ MODBUS ] was developed by Modicon in the 70s. It is a simple way to build a Master/Slave connection to an IED (Intelligent End Device).
MODBUS has spread strongly worldwide.
MODBUS is used as a simple transmission protocol to terminal devices (RTUs oder IEDs). It has general abilites within the context of SCADA applications.
The messages are generally transmitted through serial connections.
COMPROTware:Testtool offers in this protocol:
MODBUS TCP/IP is intended for connections through the TCP internet protocol. It has the same Application Layer message format but a different Link Layer frame format as MODBUS serial.
COMPROTware:Testtool offers in this protocol:
Any questions regarding CPTT? Please contact us:
e-mail cptt@realthoughts.de