Siemens SITRANS TH100 Operating Instructions Manual page 96

Connecting
6.8 Connecting the SITRANS TF dual chamber housing
Procedure
①
②
③
④
Figure 6-7
1. Lead the shielded connecting cables through the cable glands
2. Connect the device to the plant with the protective conductor connection
3. Connect the wires of the power supply
Take the polarity into account. The device has reverse polarity protection.
4. Connect the shield to the screw of the ground terminal
The screw of the ground terminal is electrically connected to the external protective
conductor connection.
5. For devices with intrinsic safety type of protection, use an isolating power supply that
corresponds to the requirements of the relevant type of protection.
96
Supply voltage
HART communication resistor (optional)
Cable gland
Test terminals
Connecting the device
SITRANS TH100/TH320/TH420/TR320/TR420/TF320/TF420 with 4 to 20 mA/HART
⑤
Input terminals
⑥
Protective conductor connector
⑦
Ground terminal
③
①
to the terminals (+) and (-).
⑦
.
Operating Instructions, 05/2020, A5E41864807-AB
.
⑥
.