ABB TTF300 Inbetriebnahmeanleitung Seite 55

4.5 Electrical connections
Resistance thermometers (RTD) / resistors (potentiometers)
2
3
1
1 1
2
2
3 3
4
Fig. 6
A DIP switch 1: on, hardware write
protection is enabled
DIP switch 2: no function
B Interface for LC display
C Ground terminal for sensor and
supply- / signal-cable shield
connection
1) Sensor backup/redundancy, sensor drift monitoring, mean measurement or differential measurement
Thermocouple / voltage and resistance thermometer (RTD) / thermocouple combinations
1 2
1 1
A
2 2
5
B
6
Fig. 7
A Sensor 1
B Sensor 2
C DIP switch 1: on, hardware write
protection is enabled
DIP switch 2: no function
D Interface for LC display
E Ground terminal for sensor and
supply- / signal-cable shield
connection
1) Sensor backup/redundancy, sensor drift monitoring, mean measurement or differential temperature measurement
CI/TTF300-X1
4 5
1 1 1
2
J
J J
3 3 3
4 4
J
5
J
6
6
1 Potentiometer, four-wire circuit
2 Potentiometer, three-wire circuit
3 Potentiometer, two-wire circuit
4 2 x RTD, three-wire circuit
3 4 5
1 1
1
2 2
2
J
3
4
5
5
6
6
1 2 x voltage measurement
2 1 x voltage measurement
3 2 x thermocouple
4 1 x thermocouple
6 7 8
1 1 1
2 2
J
J J
3 3 3
4
5
6
7
1) 8
7
6
1 1
2
J
J
3 3
5 5
6 6
1)
5
6
1)
7
TTF300
Electrical connections
1
2
3
4
5
6
2 x RTD, two-wire circuit 1)
RTD, four-wire circuit
RTD, three-wire circuit
RTD, two-wire circuit
1
2
3
4
5
6
1 x RTD, four-wire circuit, and thermocouple
1 x RTD, three-wire circuit, and thermocouple
1 x RTD, two-wire circuit, and thermocouple
-
B
A
C
A00244
-
D
C
E
A00245
1)
1)
1)
EN - 19