Procedure
1. Connect the input or inputs to terminals 5 to 8.
The terminals are equipped with a coding prole to ensure intrinsic safety.
2-wire, 3-wire or 4-wire RTD or
wire resistance
I1: Input 1
TC (internal CJC or
external 2-wire or 3-wire CJC)
Voltage input (unipolar and bi‐
polar)
3-wire or 4-wire potentiometer
2. Connect the supply voltage to the terminals 3 (+) and 4 (-).
5+$57
Connecting
5.6 Connecting TR320
SITRANS TH100/TH100Slim/TH320/TH420/TR320/TR420/TF320/TF420
Compact Operating Instructions, 07/2021, A5E41865021-AE 49