Mr.Fernandoelec
Thank you very much for your information. I know that the register address is 155(hex). I don't know the entire register.
Please give the details of cable.
The all above softwares are not communicating with the instrument. Also let me know the algorithm for writing my own...
Dear Mr.Macbeth
Thank you very much for your suggestions. The equipment was manufactured by oldham, france. They used JBUS Protocol not modbus.
We are trying to get the data from normal rs232 cable without any interconnect. The instrument has one serial port opened for programming. we don't...
I new to modbus protocol. I like to interface the CGA Unit (Oldham Make, for using in mining industry, the CGA Unit is connected to 16 underground sensors, it has one monitor to display the status of the sensors) with a host computer.
The CGA Unit uses modbus protocol for interfacing. it has a...