
9.2.10 Upper fault current [12] ........................................................................................................125
9.2.11 Lower saturation limit [13] ....................................................................................................125
9.2.12 Upper saturation limit [14] ....................................................................................................126
9.2.13 SV selection [15] ..................................................................................................................127
9.2.14 Units [16] ..............................................................................................................................127
9.2.14.1 Level units [16] .....................................................................................................................128
9.2.14.2 Volume units [16] .................................................................................................................128
9.2.14.3 Volume flow units [16] ..........................................................................................................128
9.2.14.4 Mass flow units [16]..............................................................................................................129
9.2.15 Temperature units [17] .........................................................................................................130
9.2.16 Lower scaling point [18] .......................................................................................................130
9.2.16.1 Set lower scaling point .........................................................................................................131
9.2.17 Upper scaling point [19] .......................................................................................................132
9.2.17.1 Set upper scaling point.........................................................................................................132
9.2.18 Low flow cut-off [20] .............................................................................................................132
9.2.19 Vessel dimension A [21].......................................................................................................133
9.2.20 Vessel dimension L [22] .......................................................................................................134
9.2.21 Button lock [23] ....................................................................................................................134
9.2.21.1 Enabling button lock.............................................................................................................134
9.2.21.2 Disabling button lock ............................................................................................................135
9.2.22 Change user PIN [24]...........................................................................................................135
9.2.23 Recovery ID [25] ..................................................................................................................136
9.2.23.1 Display Recovery ID.............................................................................................................137
9.2.24 PIN recovery [26] .................................................................................................................137
9.2.24.1 Recovering the user PIN ......................................................................................................137
9.2.25 User PIN [27]........................................................................................................................138
9.2.25.1 Enable user PIN ...................................................................................................................139
9.2.25.2 Disable user PIN ..................................................................................................................139
9.2.26 Active device mode [28] .......................................................................................................140
9.2.27 Functional Safety [29] ..........................................................................................................140
9.2.28 Display test [30]....................................................................................................................141
9.2.29 Loop test [31] .......................................................................................................................141
9.2.29.1 Loop test with preset loop current value ..............................................................................141
9.2.29.2 Loop test with user defined loop current value.....................................................................142
9.2.30 Start view [32] ......................................................................................................................142
9.2.31 Pressure reference [33]........................................................................................................143
9.2.32 Identify the device [34] .........................................................................................................143
9.2.33 Reset [35].............................................................................................................................143
9.2.33.1 Reset to sensor calibration...................................................................................................144
9.2.33.2 Reset DAC trim to the factory setting...................................................................................144
9.2.33.3 Restore ordered configuration..............................................................................................144
9.2.33.4 Restore factory settings .......................................................................................................144
9.2.34 Overload behavior [36].........................................................................................................145
9.3 Parameter assignment over remote operation.....................................................................145
9.3.1 Introduction ..........................................................................................................................145
9.3.2 Quick start ............................................................................................................................146
9.3.3 Identification .........................................................................................................................146
9.3.4 Simulation ............................................................................................................................147
9.3.4.1 Simulate constant pressure values .....................................................................................147
9.3.4.2 Simulate ramp function ........................................................................................................148
9.3.4.3 Simulate diagnostics ............................................................................................................148
9.3.5 Customized characteristic curve ..........................................................................................149
Table of contents
SITRANS P320/P420 with 4 to 20 mA/HART
6Operating Instructions, 11/2019, A5E44852162-AC