Siemens Climatix S300 HRV, Application Manual

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5.21.1 General ....................................................................................... 135
5.21.2 Alarm codes ................................................................................ 138
5.21.3 Error presentation in Cloud ......................................................... 140
5.22 Periodical maintenance function............................................................... 141
5.23 Analysis functions..................................................................................... 142
6 Engineering of communicative devices .................................................... 145
6.1 PL-Link ..................................................................................................... 145
6.2 Modbus components ................................................................................ 146
6.2.1
I/O extension module POS9.. ..................................................... 147
6.2.2 Air pressure sensor #1 QBM97.. ................................................ 148
6.2.3 Air pressure sensor #2 QBM97.. ................................................ 149
6.2.4 Ebm-papst supply air fan ............................................................ 150
6.2.5 Ebm-papst exhaust air fan .......................................................... 152
6.2.6 Zero pressure calibration ............................................................ 153
6.3 Modbus slave ........................................................................................... 154
6.3.1
Use cases for Modbus slave engineering ................................... 154
6.3.2 Port description and default settings........................................... 154
6.3.3 Port adjustments ......................................................................... 154
6.3.4 R/W communication functions (supported function codes)......... 156
6.3.5 Encoding of data types ............................................................... 159
6.3.6 Mapping application parameters to Modbus registers ................ 161
6.3.7 Edit schedule .............................................................................. 166
6.3.8 Device information ...................................................................... 168
6.3.9 Delivery of the application parameter list .................................... 169