
Liquitrend QMW43 Table of contents
Endress+Hauser 3
Table of contents
1 About this document ................ 4
1.1 Symbols .............................. 4
1.2 Terms and abbreviations ................. 5
1.3 Documentation ........................ 6
1.4 Registered trademarks ................... 6
2 Basic safety instructions ............ 6
2.1 Requirements for the personnel ............ 6
2.2 Designated use ........................ 6
2.3 Workplace safety ....................... 7
2.4 Operational safety ...................... 7
2.5 Product safety ......................... 7
2.6 IT security ............................ 7
3 Product description ................. 7
3.1 Product design ......................... 8
4 Incoming acceptance and product
identification ....................... 8
4.1 Incoming acceptance .................... 8
4.2 Product identification .................... 8
4.3 Manufacturer address ................... 9
4.4 Nameplate ........................... 9
4.5 Storage, transport ..................... 10
5 Installation ....................... 10
5.1 Installation conditions .................. 10
5.2 Mounting the measuring device ........... 11
5.3 Post-installation check .................. 12
6 Electrical connection .............. 12
6.1 Connecting the device .................. 12
6.2 Post-connection check .................. 13
7 Operation options ................. 13
7.1 IO-Link information .................... 13
7.2 IO-Link download ..................... 13
7.3 Structure of the operating menu ........... 14
8 System integration ................ 14
8.1 Process data ......................... 14
8.2 Reading out and writing device data (ISDU –
Indexed Service Data Unit) ............... 14
9 Commissioning .................... 16
9.1 Function check ....................... 16
9.2 Light signals (LEDs) .................... 16
9.3 Changing device parameters via IO-Link ..... 17
10 Operation ......................... 17
10.1 Measurement of buildup in pipes or tanks ... 17
11 Diagnostics and troubleshooting ... 19
11.1 Error indication ....................... 19
11.2 General troubleshooting ................. 19
11.3 Diagnostic information via light emitting
diodes .............................. 19
11.4 Diagnostic events ...................... 21
11.5 Behavior of the device in the event of a fault .. 23
11.6 Resetting the measuring device ........... 23
12 Maintenance ...................... 24
12.1 Cleaning ............................ 24
13 Repair ............................ 24
13.1 Return .............................. 24
13.2 Disposal ............................ 25
14 Accessories ....................... 25
14.1 Hexagon tubular socket wrench 32 mm ..... 25
14.2 Plug-in jack, elbowed 90° ................ 25
14.3 Plug-in jack, straight ................... 26
14.4 Process adapter M24 thread .............. 26
14.5 Weld-in adapter ...................... 27
14.6 Grooved union nut DIN11851 ............ 27
15 Overview of the operating menu .... 28
16 Description of Device Parameters ... 29
16.1 Identification ......................... 29
16.2 Diagnosis ........................... 29
16.3 Parameters .......................... 31
17 Technical data .................... 36
17.1 Input ............................... 36
17.2 Output ............................. 36
17.3 Performance characteristics .............. 37
17.4 Environment ......................... 39
17.5 Process ............................. 40
Index .................................. 41