Building a controller and am trying to decide on how i need to connect the thermocouples. To quickly explain my potential setup I will have an enclosure with a plc thermocouple card inside, i would like to go through a din rail terminal block before going to a female plug on the front of the panel, and then a connecting cable x feet long to the thermocouple housing mounted on the thing i want to measure.
so that is
plc card > din terminal > panel jack > long cable to thermocouple (maybe a splice cable maybe not)
I will be using type T or K thermocouples and in the past i have wired the thermocouples directly to the plc. Wires ran through a weathertight plug and landed on the plc terminals. If the leads weren't long enough i used thermocouple junction wire but these were not permanent or very clean looking designs.
My big question is:
1. can i have as many connections in the thermocouple wire as i want?
2. would it be better/easier to put a 4-20ma transmitter in the thermocouple head
3. as long as i use the correct metal for type T (copper,constantan) for the panel jackes, splice wire, etc will it work?
4. should i try to minimize the junctions in this wiring?
I have never made a panel with this many thermocouple inputs and am really stumped on if i am going down the right path. Any help, suggestions, or comedic response is greatly appreciate.
so that is
plc card > din terminal > panel jack > long cable to thermocouple (maybe a splice cable maybe not)
I will be using type T or K thermocouples and in the past i have wired the thermocouples directly to the plc. Wires ran through a weathertight plug and landed on the plc terminals. If the leads weren't long enough i used thermocouple junction wire but these were not permanent or very clean looking designs.
My big question is:
1. can i have as many connections in the thermocouple wire as i want?
2. would it be better/easier to put a 4-20ma transmitter in the thermocouple head
3. as long as i use the correct metal for type T (copper,constantan) for the panel jackes, splice wire, etc will it work?
4. should i try to minimize the junctions in this wiring?
I have never made a panel with this many thermocouple inputs and am really stumped on if i am going down the right path. Any help, suggestions, or comedic response is greatly appreciate.