Terminal Connection Diagrams - ABB TTF350 Operating Instructions Manual

Electrical connection
5.5

Terminal connection diagrams

RTD resistance sensors
2 3
1
1 1 1
2
2
3 3 3
4
Fig. 7
Potentiometer: 0 ... 500 Ω or 0 ... 5000 Ω
1 Potentiometer, 4-wire circuit
2 Potentiometer, 3-wire circuit
3 Potentiometer, 2-wire circuit
4 2 x RTD, 3-wire circuit (sensor backup/redundancy, sensor drift monitoring, average value or differential temperature measurement)
5 2 x RTD, 2-wire circuit (sensor backup/redundancy, sensor drift monitoring, average value or differential temperature measurement)
6 RTD, 4-wire circuit
7 RTD, 3-wire circuit
8 RTD, 2-wire circuit
20
4 5 6
1 1 1
2 2
ϑ
ϑ ϑ
ϑ
3 3 3
4 4
4
ϑ
5
ϑ
6
6
8
7
1
1 1
2
2
ϑ
ϑ
3
3 3
4
5
6
TTF350
PA
-
A00188
OI/TTF350-EN