Electrical connections
18 - EN
TTF300
CI/TTF300-X1
4.3.1 Connection of sensor measuring insets / Connection diagrams
Resistance thermometers (RTD) / resistors (potentiometers)
A00244
3
1
2
5
6
4
4
6
5
4
4
6
2
2
2
2
3
3
3
3
3
3
3
3
4
1
1
1
1
1
1
1
1
2
1
2
3
4
5
6
7
8
+
-
JJ
J
J
J
J
J
J
B
A
C
4
...
20
mA
HAR
T
,
PROFIBUS
P
A,
FOUNDA
TION
Fieldbus
Fig. 7
A Interface for LCD indicators and
service
B DIP switch
C Ground terminals for sensor and
supply- / signal-cable shield
connection
1
Potentiometer, four-wire circuit
2
Potentiometer, three-wire circuit
3
Potentiometer, two-wire circuit
4
2 x RTD, three-wire circuit
1)
5
2 x RTD, two-wire circuit
1)
6
RTD, four-wire circuit
7
RTD, three-wire circuit
8
RTD, two-wire circuit
1) Sensor backup / redundancy, sensor drift monitoring, mean measurement, or differential measurement
Thermocouples / voltages and resistance thermometer (RTD) / thermocouple combinations
A00245
+
-
+
-
+
-
+
-
+
-
+
-
+
-
7
6
5
5
5
5
4
6
6
6
2
2
3
3
3
1
1
1
J
J
J
3
1
2
5
4
6
+
-
B
A
4
3
2
5
6
+
-
5
6
2
2
2
+
-
1
2
1
1
1
1
D
E
C
4
...
20
mA
HAR
T
,
PROFIBUS
P
A,
FOUNDA
TION
Fieldbus
Fig. 8
A Interface for LCD indicators and
service
B DIP switch
C Ground terminals for sensor and
supply- / signal-cable shield
connection
D Sensor
1
E Sensor
2
1
2 x voltage measurement
1)
2
1 x voltage measurement
3
2 x thermocouple
1)
4
1 x thermocouple
5
1 x RTD, four-wire circuit, and thermocouple
1)
6
1 x RTD, three-wire circuit, and thermocouple
1)
7
1 x RTD, two-wire circuit, and thermocouple
1)
1) Sensor backup / redundancy, sensor drift monitoring, mean measurement, or differential temperature measurement