Search results

Hello, I have a set up with 3 heatpumps with modbus protocol. First of all i have to name that i am a new bee in modbus (did some online studies) I have 3 heat pump (in Cascade) all with slave ID 1 Tot communicate with these 3 units each need to have there own ID my questions 1 -Is it poseble...

Hello hope some one can help me as a newbee in modbus i have (3) heatpumps (for cascade) but i do not get acces to the heat pump data. I have set up a dell laptop with a usb to RS 485 interface. I dont know what i do wrong. I get back two messages: 1-Modbus error exception respons from slave...