Siemens SITRANS P DS III - Page 9

Table of contents
SITRANS P DS III with PROFIBUS PA
Operating Instructions, 06/2013, A5E00053276-07
9
9.2.3 Transmission of user data over PROFIBUS .............................................................................. 161
9.2.4 Status ......................................................................................................................................... 162
9.2.5 Diagnosis ................................................................................................................................... 162
9.3 Acyclic data transfer ................................................................................................................... 164
10 Commissioning ................................................................................................................................... 165
10.1 Basic safety instructions ............................................................................................................ 165
10.2 Introduction to commissioning ................................................................................................... 166
10.3 Gauge pressure, absolute pressure from differential pressure series, and absolute
pressure from gauge pressure series ........................................................................................ 167
10.3.1 Commissioning for gases ........................................................................................................... 167
10.3.2 Commissioning with steam or liquid........................................................................................... 169
10.4 Differential pressure and flow rate ............................................................................................. 170
10.4.1 Safety notes for commissioning with differential pressure and flow rate ................................... 170
10.4.2 Commissioning in gaseous environments ................................................................................. 171
10.4.3 Commissioning for liquids .......................................................................................................... 172
10.4.4 Commissioning with vapor ......................................................................................................... 174
11 Repair and maintenance ..................................................................................................................... 177
11.1 Basic safety instructions ............................................................................................................ 177
11.2 Maintenance and repair work ..................................................................................................... 180
11.2.1 Defining the maintenance interval.............................................................................................. 180
11.2.2 Checking the gaskets ................................................................................................................. 181
11.2.3 Display in case of a fault ............................................................................................................ 181
11.2.4 Changing the measuring cell and application electronics .......................................................... 182
11.3 Cleaning ..................................................................................................................................... 182
11.3.1 Servicing the remote seal measuring system ............................................................................ 183
11.4 Return procedure ....................................................................................................................... 183
11.5 Disposal ..................................................................................................................................... 184
12 Interrupts, error and system alarms ..................................................................................................... 185
12.1 Overview of status codes ........................................................................................................... 185
12.2 Errors ......................................................................................................................................... 188
13 Technical data .................................................................................................................................... 191
13.1 Overview of technical data ......................................................................................................... 191
13.2 Input point .................................................................................................................................. 192
13.3 Output ........................................................................................................................................ 199
13.4 Measuring accuracy ................................................................................................................... 200
13.5 Operating conditions .................................................................................................................. 207
13.6 Construction ............................................................................................................................... 210
13.7 Display, keyboard and auxiliary power ...................................................................................... 215
13.8 Certificates and approvals ......................................................................................................... 216
13.9 PROFIBUS communication ....................................................................................................... 218