CS Instruments VA 550 - Table of Contents

Table of Content
VA 550 English V1.21 Page 4 of 53
II. Table of Content
I. Foreword .......................................................................................................................................... 3
1 Pictograms and Symbols ................................................................................................................. 6
2 Signalwords according ISO 3864 and ANSI Z 535 .......................................................................... 6
3 Safety instructions ............................................................................................................................ 7
3.1 Intended Use ............................................................................................................................. 8
3.2 Installation and commissioning ................................................................................................. 8
4 Technical data .................................................................................................................................. 9
4.1 Signal circuits .......................................................................................................................... 10
4.1.1 Modbus .............................................................................................................................. 10
4.1.2 Current output .................................................................................................................... 10
4.1.2.1 Aktive ......................................................................................................................... 10
4.1.2.2 Passive ...................................................................................................................... 10
4.1.3 Pulse .................................................................................................................................. 10
4.1.4 Alarm ................................................................................................................................. 10
4.2 Measuring range flow VA 550 ................................................................................................. 11
4.2.1 Maximum Flow Ranges „Low Speed“................................................................................ 12
4.2.2 Measuring range „Standard Version“ ................................................................................ 14
4.2.3 Measuring range „Max Version“ ........................................................................................ 16
4.2.4 Measuring range „High Speed Version“ ............................................................................ 18
5 Dimensions ..................................................................................................................................... 20
5.1 Dimension VA 550 .................................................................................................................. 20
6 Installation ...................................................................................................................................... 21
6.1 Pipe/tube requirements ........................................................................................................... 21
6.2 Inlet / outlet runs ...................................................................................................................... 21
6.3 Installation VA 550 .................................................................................................................. 22
6.3.1 ½“ welded nipple with ball valve ½“ ................................................................................... 22
6.3.2 Spot drilling collar with ball valve ....................................................................................... 22
6.4 Installation of the Sensor ........................................................................................................ 23
6.4.1 Mounting VA 550 onto the ball valve ................................................................................. 23
6.5 Alignement Display (Housing) ................................................................................................. 24
6.6 Tightening torques .................................................................................................................. 24
7 Connection diagram ....................................................................................................................... 25
7.1 Cable glands - clamping ranges ............................................................................................. 25
7.2 Connector pin assignment ...................................................................................................... 25
7.3 Wire connection ...................................................................................................................... 27
7.3.1 General .............................................................................................................................. 27
7.3.2 Power supply ..................................................................................................................... 27
7.3.3 Modbus RTU: ..................................................................................................................... 27
7.3.4 Modbus TCP (Ethernet) Optional PoE .............................................................................. 28
7.3.5 Pulse Output ...................................................................................................................... 28