Siemens SITRANS L Compact Operating Instructions page 4

Table of contents
5 Connecting .......................................................................................................................................... 28
5.1 Basic safety notes .............................................................................................................. 28
5.2 Connecting SITRANS LT500 ................................................................................................ 31
5.2.1 Sensor connections ............................................................................................................ 32
5.2.2 Wiring compartment .......................................................................................................... 33
5.2.3 Accessing wiring compartment .......................................................................................... 34
5.2.4 Terminal board .................................................................................................................. 36
5.2.5 Cables ............................................................................................................................... 37
5.2.6 Supported sensors ............................................................................................................. 37
5.2.7 Relays ................................................................................................................................ 38
5.2.8 Synchronization ................................................................................................................. 38
5.2.9 TS-3 temperature sensor .................................................................................................... 39
5.2.10 mA input ........................................................................................................................... 39
5.2.11 mA output ......................................................................................................................... 40
5.2.12 Digital inputs ..................................................................................................................... 41
5.2.13 Power ................................................................................................................................ 42
5.2.14 Communication ................................................................................................................. 43
5.2.14.1 Communication fieldbus .................................................................................................... 43
5.2.14.2 HART ................................................................................................................................. 43
5.2.14.3 Modbus RTU ...................................................................................................................... 45
5.2.14.4 PROFIBUS PA/DP ................................................................................................................. 46
5.2.14.5 PROFINET .......................................................................................................................... 46
5.3 Hazardous area installations............................................................................................... 47
5.3.1 Improper power supply ...................................................................................................... 47
6 Commissioning .................................................................................................................................... 48
6.1 Basic safety notes .............................................................................................................. 48
6.2 General requirements ........................................................................................................ 49
6.3 Local operation .................................................................................................................. 49
6.4 Device startup ................................................................................................................... 50
6.5 Local commissioning ......................................................................................................... 51
6.5.1 Wizard order ...................................................................................................................... 51
6.5.2 Wizards ............................................................................................................................. 52
6.5.2.1 Wizard overview ................................................................................................................ 52
6.5.2.2 Quick commissioning ......................................................................................................... 55
6.5.2.3 Pump control ..................................................................................................................... 82
6.5.2.4 Basic control ...................................................................................................................... 88
6.5.2.5 Alarms ............................................................................................................................... 91
7 Service and maintenance .................................................................................................................... 99
7.1 Basic safety notes .............................................................................................................. 99
7.1.1 Maintenance ..................................................................................................................... 99
7.2 Cleaning ............................................................................................................................ 99
7.3 Maintenance and repair work........................................................................................... 100
7.3.1 Replacing memory card ................................................................................................... 100
7.4 Return procedure ............................................................................................................. 101
7.5 Disposal ........................................................................................................................... 101
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SITRANS LT500 with ultrasonic transducer inputs
Compact Operating Instructions, 02/2024, A5E52021877-AA