FAQ n° 6722
Question
Asked on
9/4/14
If I use the COM2 port for RS-485 communication, what is the maximum number of instruments which I can connect?
Response
Answered on
9/4/14
It depends on the transmitter-receivers and the protocol used. If low-power transmitter-receivers are used, you can communicate with up to 247 instruments via the Modbus protocol.
If high-power transmitter-receivers are used, you can control up to 32 instruments.