Siemens SITRANS L Series, Operating Instructions Manual, Page: 4 / 106

Table of Contents
Preface .......................................................................................................................................... vii
1
Introduction ........................................................................................................................... 1
1.1 Function ................................................................................................................ 1
1.2 Target group ......................................................................................................... 1
1.3 Symbols used ........................................................................................................ 1
2 Safety notes .......................................................................................................................... 3
2.1 Authorised personnel ............................................................................................ 3
2.2 Appropriate use .................................................................................................... 3
2.3 Warning about incorrect use ................................................................................. 3
2.4 General safety instructions .................................................................................... 3
2.5 Radar frequencies for worldwide use ..................................................................... 4
2.6 Installation and operation in the USA and Canada ................................................. 4
2.7 Security information .............................................................................................. 4
3 Description ............................................................................................................................ 7
3.1 Configuration ........................................................................................................ 7
3.2 Principle of operation ............................................................................................ 8
3.3 Adjustment ........................................................................................................... 9
3.4 Packaging, transport and storage ........................................................................ 10
4 Installing/mounting ............................................................................................................. 13
4.1 General instructions ............................................................................................ 13
4.2 Mounting instructions ......................................................................................... 13
4.3 Measurement setup - Flow .................................................................................. 17
5 Connecting .......................................................................................................................... 19
5.1 Preparing the connection .................................................................................... 19
5.2 Connecting .......................................................................................................... 20
5.3 Wiring plan ......................................................................................................... 21
5.4 Connecting HMI to electronic module .................................................................. 22
5.5 Switch-on phase .................................................................................................. 22
6 Access protection ................................................................................................................ 23
6.1 Bluetooth radio interface ..................................................................................... 23
6.2 Protection of the parameterization ...................................................................... 23
SITRANS LR150
Operating Instructions, 08/2020, A5E50352155
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