1 Contents
Elsner Elektronik GmbH • Sohlengrund 16 • 75395 Ostelsheim • Germany
Interface KNX B8-TH • from software version 0.1.0, ETS programme version 1.0
Version: 24.08.2016 • Subject to technical changes. Errors excepted.
1. Description ........................................................................................... 3
1.0.1. Scope of delivery .......................................................................................... 3
1.1. Technical specifications ........................................................................................... 4
2. Installation and commissioning ........................................................... 4
2.1. Installation notes ...................................................................................................... 4
2.2. Installation location .................................................................................................. 5
2.3. Connection ................................................................................................................ 5
2.3.1. Device design ................................................................................................ 6
2.3.2. Diagram ......................................................................................................... 7
2.4. Instructions for assembly and initial start-up ........................................................ 7
3. Addressing of the device at the bus .................................................... 7
4. Transfer protocol ................................................................................. 8
4.1. List of all communications objects ......................................................................... 8
5. Parameter settings ............................................................................. 19
5.1. Behaviour on power failure/ restoration of power .............................................. 19
5.2. General settings ..................................................................................................... 19
5.3. Temperature readings ........................................................................................... 20
5.4. Temperature threshold values .............................................................................. 20
5.4.1. Threshold values 1...8 ................................................................................. 21
5.5. Temperature PI controller ...................................................................................... 23
5.5.1. Heating control level 1/2 ............................................................................. 29
5.5.2. Cooling control level 1/2 ............................................................................. 31
5.6. Humidity reading .................................................................................................... 33
5.7. Humidity threshold values .................................................................................... 34
5.7.1. Threshold value 1/2 .................................................................................... 34
5.8. Humidity PI control ................................................................................................ 36
5.9. Dewpoint measurement ........................................................................................ 39
5.9.1. Coolant temperature monitoring ............................................................... 39
5.10.Absolute humidity ................................................................................................. 42
5.11.Comfort field .......................................................................................................... 42
5.12.Variable comparator .............................................................................................. 43
5.12.1. Control variable comparator 1/2 ................................................................ 43
5.13.Logic ........................................................................................................................ 44
5.13.1. AND logic 1-4 and OR logic outputs 1-4 ................................................... 45
5.13.2. AND logic connection inputs ..................................................................... 47
5.13.3. OR LOGIC connection inputs ..................................................................... 49
5.14.Pushbutton interfaces ............................................................................................ 49
5.14.1. Interface 1...8 ............................................................................................... 49
5.14.2. Control modes for drive control ................................................................ 52
