Siemens SITRANS F MASS 2100 Operating Instructions Manual page 6

Table of contents
11.8 Process variables FCT010 ................................................................................................. 114
11.9 Approvals note................................................................................................................. 114
11.10 Certificates and approvals................................................................................................. 114
11.11 SensorFlash ..................................................................................................................... 116
11.12 Modbus Communication Specification.............................................................................. 117
11.13 PED ................................................................................................................................. 117
11.14 Pressure - temperature ratings.......................................................................................... 122
11.14.1 Pressure - temperature ratings (stainless steel sensors) .................................................... 123
11.14.2 Pressure - temperature ratings (Hastelloy sensors) ............................................................ 124
12 Dimension drawings .......................................................................................................................... 127
12.1 FC300 dimensions ........................................................................................................... 127
12.2 MASS 2100 dimensions ................................................................................................... 129
12.3 Transmitter dimensions.................................................................................................... 135
A Product documentation and support ................................................................................................ 137
A.1 Product documentation ................................................................................................... 137
A.2 Technical support............................................................................................................. 138
B Technical reference............................................................................................................................ 139
B.1 Theory of operation ......................................................................................................... 139
B.2 Sensor dimension dependent default settings .................................................................. 140
B.2.1 Mass flow ........................................................................................................................ 140
B.2.2 Volume flow .................................................................................................................... 141
B.2.3 Standard volume flow ...................................................................................................... 142
B.2.4 Fraction ........................................................................................................................... 143
B.2.5 Zero point adjustment ..................................................................................................... 145
B.3 Exception handling .......................................................................................................... 146
B.4 Float definition ................................................................................................................ 146
B.5 CRC calculation ................................................................................................................ 147
C Modbus communication FCT010 ....................................................................................................... 151
C.1 Modbus addressing model ............................................................................................... 151
C.2 Modbus function codes.................................................................................................... 151
C.3 Changing Modbus communication settings ...................................................................... 156
C.4 Modbus holding registers tables....................................................................................... 157
Index .................................................................................................................................................. 177
6
SITRANS MASS 2100 & FC300 (FCT010/DSL)
Operating Instructions, 06/2020, A5E39788682-AB