Table of Contents
Table of contents
Preface ....................................................................................................................................................... 3
1 Introduction .................................................................................................................................................... 6
1.1 Principle of measurement ................................................................................................................... 7
1.1.1 Level measurement .............................................................................................................. 7
1.1.2 Interface between two products ............................................................................................ 7
1.1.3 Relative density ..................................................................................................................... 8
1.2 Optional functions ................................................................................................................................ 8
1.3 Remote monitoring .............................................................................................................................. 8
1.4 Approvals (ATEX / IECEx, FM) ........................................................................................................... 8
2 Safety ............................................................................................................................................................. 9
2.1 Safety aspects of the 854 Advanced Technology Gauge .................................................................... 9
2.2 Personal safety .................................................................................................................................. 10
2.3 Safety conventions ............................................................................................................................ 10
3 Commissioning ............................................................................................................................................ 11
3.1 Checks before starting the commissioning ....................................................................................... 11
3.2 Installation of measuring drum and displacer .................................................................................... 12
3.2.1 Tools ................................................................................................................................... 12
3.2.2 Installation of measuring drum ............................................................................................ 12
3.2.3 Installation of displacer ....................................................................................................... 13
3.2.4 Unlocking (locking) the motor block .................................................................................... 13
3.3 Programming (configuring) the gauge ............................................................................................... 14
3.3.1 Introduction into programming ............................................................................................ 14
3.3.2 Apply power to the 854 ATG ............................................................................................... 16
3.3.3 Selecting dimension and decimal separator ....................................................................... 17
3.3.4 Tank and gauge data .......................................................................................................... 18
3.3.5 Alarm settings ..................................................................................................................... 20
3.3.6 Ullage readout ..................................................................................................................... 21
3.3.7 Display control and password protection ............................................................................ 22
3.4 Level calibration ................................................................................................................................ 23
3.4.1 Standard level calibration .................................................................................................... 23
3.4.2 Level calibration with a tank top reference stop .................................................................. 23
3.4.3 Level calibration using the top of ball valve......................................................................... 24
3.4.4 Interface measurement ....................................................................................................... 25
4 Operation ..................................................................................................................................................... 26
4.1 Display ............................................................................................................................................... 26
4.1.1 XPU display......................................................................................................................... 27
4.1.2 XPU-2 display ..................................................................................................................... 27
4.2 Repeatability test ............................................................................................................................... 29
4.3 Lock test ............................................................................................................................................ 29
4.4 Freeze and block commands ............................................................................................................ 30
4.5 Unlock ............................................................................................................................................... 30
4.6 Interface measurement ..................................................................................................................... 31
4.7 Dip mode ........................................................................................................................................... 31
4.8 Servo Auto Test ................................................................................................................................. 32
4.9 Verify level calibration ........................................................................................................................ 34
4.9.1 Verify level calibration against a tank top reference stop .................................................... 34
4.9.2 Verify level calibration on top of ball valve .......................................................................... 34
4.10 Data items and operational commands............................................................................................. 35
Page 4
Introduction
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