2 installation, Potentiometer in 2-wire circuit r, 30 ω ( r – JUMO 707020 dTRANS T02 LCD - Four-Wire Transmitter Operating Manual Benutzerhandbuch
Seite 43
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5
2 Installation
Potentiometer in 2-wire circuit
R
L
≤
30
Ω (
R
L
= total lead resistance)
Potentiometer in 3-wire circuit
Potentiometer in 4-wire circuit
Resistance transmitter in 3-wire circuit
Voltage input
<
1V
Voltage input
≥
1V
Current input
Analog outputs
Voltage output
Current output
R
L
R
A
R =R
A
L
2
1
3
4
5
2
1
3
4
5
2
1
3
4
5
A
Current and voltage outputs are not
electrically isolated from each other.
The negative poles of the voltage and
current outputs must not be joined
together.
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