4.2
Connecting TH320
Procedure
1. Connect the input or inputs to terminals 3 to 6.
,
&-&
,
2-wire, 3-wire or 4-wire RTD or
linear resistance
I1: Input 1
TC (internal CJC or
external 2-wire or 3-wire CJC)
,
,
Voltage input
(single-pole or two-pole)
3-wire or 4-wire potentiometer
2. Connect the supply voltage to the terminals 1 (+) and 2 (-).
Take the polarity into account. The device has reverse polarity protection.
7(6
7
E
XT
TEST
5
+$57
For devices with HART communication, connect a ≥ 250 Ω resistor.
Connecting
4.2 Connecting TH320
SITRANS TH320/TH420/TR320/TR420/TF320/TF420
Compact Operating Instructions, 03/2018, A5E41865021-AA
33