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Siemens  Wall-mounted sensors and room operator units for KNX/ETS and KNX/ACS  CM2N1602en_05 
Building Technologies  Contents   2018-09-14 
Contents 
0
  About this document .............................................................................. 4 
0.1  Revision history ......................................................................................... 4 
0.2  Before you start ......................................................................................... 4 
0.3  Abbreviations and naming conventions .................................................... 5 
0.4  Reference documents ............................................................................... 5 
1  Devices ..................................................................................................... 6 
1.1  Type summary ........................................................................................... 6 
1.2  Equipment combinations ........................................................................... 6 
1.3  Variant and device parts ............................................................................ 7 
1.4  Service and connection elements ............................................................. 8 
1.5  Dimensions................................................................................................ 9 
1.6  Environmental compatibility, disposal ..................................................... 10 
1.6.1  General notes .......................................................................................... 10 
1.6.2  Environmental declaration....................................................................... 10 
1.6.3  Notes on FCC rules ................................................................................. 10 
2  Safety and EMC optimization ............................................................... 11 
2.1  Notes on safety ....................................................................................... 11 
2.2  Device-specific regulations ..................................................................... 11 
2.3  Notes on EMC optimization..................................................................... 11 
3  Mounting and electrical installation .................................................... 12 
4  Functionality / Use ................................................................................ 16 
4.1  Overview ................................................................................................. 16 
4.2  Use .......................................................................................................... 17 
4.3  Display elements and buttons ................................................................. 18 
4.4  Functions ................................................................................................. 19 
4.4.1  Measuring................................................................................................ 19 
4.4.2  Control and operation .............................................................................. 20 
4.5  Application examples .............................................................................. 22 
4.5.1  Room temperature control and operation via QMX3 .............................. 22 
4.5.2  Presence dependent room climate control with operation 
of all disciplines ....................................................................................... 23
 
4.5.3  Room temperature, humidity and air quality control ............................... 24 
5  ETS engineering .................................................................................... 25 
5.1  Engineering ............................................................................................. 25 
5.2  Commissioning ........................................................................................ 25 
5.3  Communication objects ........................................................................... 26 
5.4  Room operator unit visualization and operation ..................................... 34 
5.5  ETS Parameter description ..................................................................... 35 
5.5.1  Room temperature sensor ...................................................................... 35 
5.5.2  Room temperature control ...................................................................... 35 
5.5.3  Room relative humidity sensor ................................................................ 37 
5.5.4  Room relative humidity control ................................................................ 37 
5.5.5  Room air quality sensor .......................................................................... 38