C
Hello all,
I am new to this site but not new to the topic. However there is something I am dealing with that I don't have a lot of expertise in. I have a need to control air temperature in a room. I have installed a 3HP ventilation fan and use a VFD to control fan speed. I am trying to hook a thermocouple up to the VFD analog signal input. I have done this is the past using a 10 KOhm variable resistor. I wired it with 3 wires. 12V+, Common as well as the analog signal input to the VFD. For my thermocouple attempt, I am using a 2 wire Type K thermocouple. Does anyone have any experience with this or am I trying to do something that is impossible. If it's not impossible, how would I hook up the 2 wire sensor to the 3 terminals on the VFD?
Thanks in advance to anyone that offers any assistance.
Cheers,
Carl
I am new to this site but not new to the topic. However there is something I am dealing with that I don't have a lot of expertise in. I have a need to control air temperature in a room. I have installed a 3HP ventilation fan and use a VFD to control fan speed. I am trying to hook a thermocouple up to the VFD analog signal input. I have done this is the past using a 10 KOhm variable resistor. I wired it with 3 wires. 12V+, Common as well as the analog signal input to the VFD. For my thermocouple attempt, I am using a 2 wire Type K thermocouple. Does anyone have any experience with this or am I trying to do something that is impossible. If it's not impossible, how would I hook up the 2 wire sensor to the 3 terminals on the VFD?
Thanks in advance to anyone that offers any assistance.
Cheers,
Carl