ABB TTF300 - Additional Shielding;Grounding Examples

32 TTF300 FIELD-MOUNT TEMPERATURE TRANSMITTER | CI/TTF300-EN REV. H
… 7 Electrical connections
Terminal assignment
Resistance thermometers (RTD) / resistors (potentiometer)
A
Potentiometer, four-wire circuit
B
Potentiometer, three-wire circuit
C
Potentiometer, two-wire circuit
D
2 x RTD, three-wire circuit*
E
2 x RTD, two-wire circuit*
F
RTD, four-wire circuit
G
RTD, three-wire circuit
H
RTD, two-wire circuit
I
Sensor 1
J
Sensor 2*
K
4 to 20 mA HART®, PROFIBUS PA®, FOUNDATION Fieldbus®
L
Interface for LCD indicator and service
M
Ground terminal for shield support for sensors and supply / signal lines
1
– 6 Sensor connection (of measuring inset)
*
Sensor backup / sensor redundancy, sensor drift monitoring, mean measurement, or differential measurement
Figure 26: Terminal assignment Resistance thermometer (RTD) / resistances (potentiometer)