temperature transmitter TMT31-modular installation:

Thermal resistance (two wire) terminal at one end and terminal 6 at the other end
The thermal resistance (three wire) is connected to terminal 4 at one end and terminal 5 and terminal 6 at the other end.
The thermal resistance (four wires) is connected to terminal 3 and terminal 4 at one end and terminal 5 and terminal 6 at the other end.