Connecting Th320 - Siemens SITRANS Series Compact Operating Instructions

4.2

Connecting TH320

Procedure
1. Connect the input or inputs to terminals 3 to 6.
2. Connect the supply voltage to the terminals 1 (+) and 2 (-).
Take the polarity into account. The device has reverse polarity protection.
For devices with HART communication, connect a ≥ 250 Ω resistor.
SITRANS TH320/TH420/TR320/TR420/TF320/TF420
Compact Operating Instructions, 03/2018, A5E41865021-AA
2-wire, 3-wire or 4-wire RTD or
linear resistance
I1: Input 1
Voltage input
(single-pole or two-pole)
TEST
TC (internal CJC or
external 2-wire or 3-wire CJC)
3-wire or 4-wire potentiometer
Connecting
4.2 Connecting TH320
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