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24
TTH300
HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. G
… 8 Electrical connections
… Terminal assignment
Thermocouples / voltages and resistance thermometer (RTD) / thermocouple combinations
A
2 × voltage measurement*
B
1 × voltage measurement
C
2 × thermocouple*
D
1 × thermocouple
E
1 × RTD, four-wire circuit and 1 x thermocouple*
F
1 × RTD, three-wire circuit and 1 x thermocouple*
G
1 × RTD, two-wire circuit and 1 x thermocouple*
H
Sensor 1
I
Sensor 2
*)
J
Interface for LCD indicators and service
1
–
6
Sensor connection (of measuring inset)
7
–
8
4 to 20 mA HART®, PROFIBUS PA®, FOUNDATION Fieldbus®
*
Sensor backup / sensor redundancy, sensor drift monitoring, mean measurement, or differential measurement
Figure 16 Terminal assignment thermocouples / voltages and resistance thermometer (RTD) / thermocouple combinations