
Table of contents
SITRANS P500 with HART
Operating Instructions, 12/2014, A5E02344528-09 7
6.2.4.10 "3.10 Logbook"......................................................................................................................137
6.2.5 "4 Communication" ...............................................................................................................138
6.2.5.1 "4.1 Protocol" ........................................................................................................................138
6.2.5.2 "4.2 ... 4.20 HART-Variable4" ...............................................................................................138
6.2.5.3 "4.3 Analog Output" ..............................................................................................................139
6.2.5.4 "4.21 HART Writeprotect" .....................................................................................................139
6.2.5.5 "4.22 Burst Mode" .................................................................................................................139
6.2.6 "5 Security" ...........................................................................................................................140
6.2.6.1 "5.1 " in preparation ..............................................................................................................140
6.2.6.2 "5.2 Keypad Lock".................................................................................................................140
6.2.6.3 "5.3 Access Management"....................................................................................................141
6.2.6.4 "5.4 Auto Log Out" ................................................................................................................142
6.2.7 "6 Language" ........................................................................................................................142
6.3 Description of the operating functions ..................................................................................143
6.3.1 Operating functions through HART communication .............................................................143
6.3.2 Selection of the measuring modes .......................................................................................144
6.3.2.1 Overview of measuring modes .............................................................................................144
6.3.2.2 Measuring mode "Pressure" .................................................................................................145
6.3.2.3 Measuring mode "Level" .......................................................................................................145
6.3.2.4 Measuring mode "Volume" ...................................................................................................147
6.3.2.5 Measuring mode "Mass" .......................................................................................................149
6.3.2.6 "Volume flow" measurement type.........................................................................................150
6.3.2.7 "Mass flow" measurement type ............................................................................................151
6.3.2.8 "User" measurement type .....................................................................................................153
6.3.3 Setting zero point and limit point...........................................................................................155
6.3.4 Flow characteristic ................................................................................................................155
6.3.5 Correction of the flow characteristic......................................................................................157
6.3.6 Setting the current limits .......................................................................................................157
6.3.7 Simulation .............................................................................................................................158
6.3.7.1 Overview of simulation..........................................................................................................158
6.3.7.2 Simulation as fixed value ......................................................................................................159
6.3.7.3 Simulation with a ramp function............................................................................................159
6.3.8 Zero point calibration (position correction)............................................................................160
6.3.9 sensor calibration..................................................................................................................160
6.3.9.1 Sensor calibration .................................................................................................................160
6.3.9.2 Trimming the sensor .............................................................................................................161
6.3.10 Current simulator trim ...........................................................................................................162
6.3.11 Diagnostic functions..............................................................................................................164
6.3.11.1 Calibration timer and service timer .......................................................................................164
6.3.11.2 Min/max indicator..................................................................................................................165
6.3.11.3 Limit monitor .........................................................................................................................166
6.3.12 Process tag data ...................................................................................................................168
7 Functional safety................................................................................................................................. 169
7.1 Safety function ......................................................................................................................169
7.2 Safety Integrity Level (SIL) ...................................................................................................170
7.3 Settings .................................................................................................................................172
7.4 Requirements........................................................................................................................173
7.5 Safety characteristics............................................................................................................174