4.6.3 Connecting the SITRANS TF420 dual chamber housing
Procedure
① Supply voltage ⑤ Input terminals
② HART communication resistor (optional) ⑥ Protective conductor connector
③ Cable gland
⑦ Ground terminal
④ Test terminals
Figure 4-3 Connecting the device
1. Lead the shielded connecting cables through the cable glands ③.
2. Connect the device to the plant with the protective conductor connection ⑥.
3. Connect the wires of the power supply ① to the terminals (+) and (-).
Take the polarity into account. The device has reverse polarity protection.
4. Connect the shield to the screw of the ground terminal ⑦.
The screw of the ground terminal is electrically connected to the external protective
conductor connection.
Connecting
4.6 Connecting the SITRANS TF dual chamber housing
SITRANS TH320/TH420/TR320/TR420/TF320/TF420
42 Compact Operating Instructions, 03/2018, A5E41865021-AA
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