Siemens SITRANS P500, Руководство по эксплуатации, Страница: 5 / 238

SITRANS P500 with HART
Operating Instructions, 12/2014, A5E02344528-09
5
Table of contents
1
Introduction ........................................................................................................................................... 11
1.1
Purpose of this documentation ............................................................................................... 11
1.2 Product information ................................................................................................................. 11
1.3 History ..................................................................................................................................... 11
1.4 Checking the consignment ..................................................................................................... 12
1.5 Transportation and storage ..................................................................................................... 12
1.6 Notes on warranty ................................................................................................................... 13
2 Safety information ................................................................................................................................. 15
2.1
Precondition for use ................................................................................................................ 15
2.1.1 Laws and directives ................................................................................................................ 15
2.1.2 Conformity with European directives ...................................................................................... 15
2.2 Improper device modifications ................................................................................................ 16
2.3 Requirements for special applications .................................................................................... 16
2.4 Use in hazardous areas .......................................................................................................... 17
3 Description ............................................................................................................................................ 19
3.1
System configuration .............................................................................................................. 19
3.2 Application range .................................................................................................................... 20
3.3 Structure ................................................................................................................................. 22
3.4 Nameplate layout .................................................................................................................... 23
3.5 Functional principle ................................................................................................................. 25
3.5.1 Operation of the electronics .................................................................................................... 25
3.5.2 Measuring cell operation ......................................................................................................... 26
3.5.2.1 Measuring cell for differential pressure and flow rate ............................................................. 27
3.5.2.2 Measuring cell for level ........................................................................................................... 28
3.5.3 Remote seals .......................................................................................................................... 29
3.6 SIMATIC PDM ........................................................................................................................ 30
4 Install .................................................................................................................................................... 31
4.1
Basic safety instructions ......................................................................................................... 31
4.1.1 Installation location requirements ........................................................................................... 34
4.1.2 Proper mounting ..................................................................................................................... 35
4.1.2.1 Incorrect mounting .................................................................................................................. 35
4.2 Disassembly ............................................................................................................................ 36
4.3 Instructions for installation ...................................................................................................... 36
4.4 Sealing connecting elements .................................................................................................. 38