Table Of Contents - Siemens SITRANS WFS320 Operating Instructions Manual

Table of contents

1 Introduction ................................................................................................................................................ 5
1.1 The manual ............................................................................................................................... 5
2 Safety notes ............................................................................................................................................... 7
2.1 General safety instructions ....................................................................................................... 7
2.2 Installation in hazardous areas ................................................................................................. 7
3 Description ............................................................................................................................................... 11
3.1 SITRANS WFS320 ................................................................................................................. 11
3.2 Principle of operation .............................................................................................................. 11
4 Installing/mounting ................................................................................................................................... 13
4.1 Sensing head .......................................................................................................................... 13
4.2 Sensing plate .......................................................................................................................... 14
4.3 Viscous damper ...................................................................................................................... 15
5 Connecting .............................................................................................................................................. 17
5.1 Unit without LVDT conditioner card ........................................................................................ 17
5.2 Unit with sensing head mounted LVDT conditioner card........................................................ 18
5.3 Unit with remote-located LVDT conditioner card .................................................................... 20
6 Commissioning ........................................................................................................................................ 25
6.1 Calibration ............................................................................................................................... 25
6.2 LVDT Output ........................................................................................................................... 26
6.3 Span test ................................................................................................................................. 27
6.4 Sensing head level test ........................................................................................................... 27
6.5 Integrator calibration ............................................................................................................... 28
6.6 Zero calibration ....................................................................................................................... 28
6.7 Span calibration ...................................................................................................................... 28
7 Service and maintenance ........................................................................................................................ 31
7.1 Maintenance ........................................................................................................................... 31
7.2 Spare parts ............................................................................................................................. 31
7.3 Inner gasket replacement ....................................................................................................... 32
7.4 Technical support .................................................................................................................... 32
8 Diagnosing and troubleshooting .............................................................................................................. 35
8.1 Range springs ......................................................................................................................... 35
SITRANS WFS320
Operating Instructions, 02/2016, A5E32880290-AB
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