Table of Contents
1 Safety instructions......................................................................4
2 Registered trademarks.................................................................6
3 Application.................................................................................7
4 Features....................................................................................7
5 Technical data............................................................................8
5.1 General data.........................................................................8
5.2 Electrical data.......................................................................9
5.3 Output signals......................................................................9
5.4 Accuracy .............................................................................9
5.5 Flow ranges..........................................................................9
6 Dimensional drawing.................................................................11
6.1 Thread type........................................................................11
6.2 Flange type.........................................................................12
7 Determining the installation point................................................14
7.1 Additional inlet and outlet sections.........................................15
8 Installation ..............................................................................16
8.1 Installing the S452..............................................................16
8.2 Removing the S452 ............................................................17
8.3 Re-installation after maintenance..........................................17
8.4 Electrical connection ..........................................................18
8.4.1 Connection diagram.......................................................18
8.4.2 Pin assignment..............................................................18
9 Signal outputs..........................................................................20
9.1 Analog and pulse outputs ....................................................20
9.1.1 Analog output...............................................................20
9.1.2 Pulse output..................................................................20
9.2 HART output ......................................................................22
9.3 Modbus Interface ................................................................22
9.4 M-Bus output .....................................................................24
10 Configuration..........................................................................24
11 Optional accessories................................................................26
11.1 Sensor display...................................................................26
11.2 Service kit........................................................................26
12 Calibration..............................................................................27
13 Maintenance...........................................................................27
14 Disposal or waste....................................................................27
S452 3