7.1.2.5 Device status display
① Symbol - NAMUR NE 107
② Diagnostics ID
Figure 7-7 Example
For additional information about symbols and the diagnostic messages, refer to Diagnostics and
troubleshooting (Page 185).
7.2 Remote operation
You can operate the device using HART communication. The following is required for this
purpose:
• A handheld (e.g. FC475) or PC software such as SIMATIC PDM.
• A HART modem to connect a PC with the device or a lead to connect the handheld with the
device.
See also
SIMATIC PDM (Page 223)
7.3 Locking the device
7.3.1 Introduction
The following options are available to lock the device:
• Enable write protection using switch.
• Enable write protection using the User PIN.
• Enable write protection using the button lock.
Operating (SITRANS TF)
7.3 Locking the device
SITRANS TH100/TH320/TH420/TR320/TR420/TF320/TF420 with 4 to 20 mA/HART
112 Operating Instructions, 05/2020, A5E41864807-AB
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