Siemens SITRANS FC720 Operating Instructions Manual page 4

Table of contents
12.2.2 Installation site ..................................................................................................................... 87
12.2.3 Instructions........................................................................................................................... 88
12.2.4 Sanitary installation.............................................................................................................. 89
12.3 Unpacking ......................................................................................................................................... 90
12.4 Sensor installation............................................................................................................................. 90
12.4.1 General installation rules ..................................................................................................... 90
12.4.1.1 Avoiding creation of noise.................................................................................................... 91
12.4.2 Installation in pipe ................................................................................................................ 92
12.4.3 Installation recommendation for viscosity function .............................................................. 94
12.5 Insulation and heat tracing ................................................................................................................ 95
12.5.1 Heat tracing.......................................................................................................................... 95
12.5.2 Customer-supplied insulation .............................................................................................. 96
12.6 Transmitter installation ...................................................................................................................... 96
12.6.1 Rotating and replacing the display....................................................................................... 96
12.6.2 Rotating transmitter housing (compact type) ....................................................................... 99
12.6.3 Rotating the terminal box (remote type) .............................................................................. 101
12.6.4 Installing transmitter on pipe (remote type) ......................................................................... 102
12.7 Installation check list ......................................................................................................................... 104
13 Wiring ......................................................................................................................................................... 105
13.1 General wiring rules .......................................................................................................................... 105
13.2 Grounding connections ..................................................................................................................... 106
13.3 Connecting cable installation ............................................................................................................ 107
13.3.1 Connection terminals ........................................................................................................... 108
13.3.2 Connecting the connecting cable to sensor ......................................................................... 111
13.3.3 Connecting the connecting cable to transmitter................................................................... 112
13.4 Transmitter ........................................................................................................................................ 113
13.4.1 HART and Modbus communication ..................................................................................... 113
13.4.1.1 HART communication .......................................................................................................... 113
13.4.1.2 Modbus communication ....................................................................................................... 113
13.4.1.3 Output signals ...................................................................................................................... 114
13.4.1.4 Input signals......................................................................................................................... 120
13.4.2 PROFIBUS PA connection terminals................................................................................... 122
13.4.3 Assignment of PROFIBUS PA ............................................................................................. 122
13.4.4 PROFIBUS PA communication............................................................................................ 123
13.4.4.1 Output signals PROFIBUS PA............................................................................................. 123
13.4.5 Power supply ....................................................................................................................... 124
13.4.6 Connecting power supply and external devices .................................................................. 124
13.5 Wiring check list ................................................................................................................................ 127
14 Commissioning ......................................................................................................................................... 129
15 System configuration and operation....................................................................................................... 130
15.1 Operating options.............................................................................................................................. 130
15.2 Display .............................................................................................................................................. 130
15.3 Default settings ................................................................................................................................. 133
15.3.1 Setting display language...................................................................................................... 133
15.3.2 Setting date.......................................................................................................................... 134
15.3.3 Setting time .......................................................................................................................... 134
15.3.4 Setting zero point ................................................................................................................. 134
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