Siemens SITRANS TH100 Operating Instructions Manual page 8

Table of contents
9.4.8 Operating hours counter .................................................................................................. 166
9.4.9 Current output................................................................................................................. 167
9.4.9.1 Fault current .................................................................................................................... 167
9.4.9.2 Lower saturation limit parameter ..................................................................................... 168
9.4.9.3 Upper saturation limit parameter ..................................................................................... 169
9.5 Locking the device ........................................................................................................... 170
9.5.1 Locking the SITRANS TH/TR device .................................................................................... 170
9.5.1.1 Introduction..................................................................................................................... 170
9.5.1.2 Enable SITRANS TH write protection with jumper .............................................................. 170
9.5.1.3 Enable SITRANS TR write protection with jumper .............................................................. 171
9.5.1.4 User PIN parameter .......................................................................................................... 173
9.5.2 Locking the SITRANS TF device ......................................................................................... 173
9.5.2.1 Introduction..................................................................................................................... 173
9.5.2.2 Enable write protection with write protection switch ........................................................ 173
9.5.2.3 Enable the User PIN on the display ................................................................................... 174
9.5.2.4 Enable the button lock on the display ............................................................................... 175
9.6 Setting the fault current of the internal transmitter with switch to ≥ 21 mA ...................... 175
10 Service and maintenance .................................................................................................................. 177
10.1 Basic safety notes............................................................................................................. 177
10.1.1 Maintenance.................................................................................................................... 177
10.1.2 SITRANS TF ...................................................................................................................... 177
10.2 Cleaning .......................................................................................................................... 178
10.3 Maintenance and repair work........................................................................................... 179
10.3.1 Uninstalling USB drivers ................................................................................................... 179
10.3.2 SITRANS TF ...................................................................................................................... 181
10.3.2.1 Checking the seals ........................................................................................................... 181
10.3.3 Replace SITRANS TF single chamber housing local display ................................................. 182
10.3.3.1 Removing the display ....................................................................................................... 182
10.3.3.2 Installing the display ........................................................................................................ 183
10.4 Absence of pollutants ...................................................................................................... 183
10.5 Return procedure ............................................................................................................. 183
10.6 Disposal........................................................................................................................... 184
11 Diagnostics and troubleshooting....................................................................................................... 185
11.1 Device status symbols ...................................................................................................... 185
11.2 Diagnostic messages........................................................................................................ 188
11.3 Troubleshooting............................................................................................................... 192
11.4 Troubleshooting of USB modem ....................................................................................... 192
12 Technical data.................................................................................................................................... 193
12.1 SITRANS TH100................................................................................................................ 193
12.2 SITRANS TH320/TH420/TR320/TR420/TF320/TF420 .......................................................... 196
12.2.1 Operating conditions ....................................................................................................... 196
12.2.2 Construction.................................................................................................................... 196
12.2.3 General specifications ...................................................................................................... 197
12.2.4 Input accuracies............................................................................................................... 197
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SITRANS TH100/TH320/TH420/TR320/TR420/TF320/TF420 with 4 to 20 mA/HART
Operating Instructions, 05/2020, A5E41864807-AB