Heating Ventilation Air Conditioning (.PDF)

Control functions
Here you can see an overview of available KNX devices:
e.g. FW/S 4.5
1 bit, 8 bit
Date, time
(3 byte)
ABZ/S 2.1
1 bit, 8 bit
Date, time
(3 byte)
Busch-ComfortTouch ®
or Controlpanel
1 bit, 8 bit
Date, time
(3 byte)
MT/701.2
1 bit, 8 bit
Date, time
(3 byte)
PC with
visualization
1 bit, 8 bit
Fig. 30: Device overview for timer control in conjunction with room temperature control
6.1.1. How do you change the setpoint with room temperature control?
The setpoint is specifi ed in the thermostat. A new basis setpoint can be sent to the device
at any time in 2 byte fl oating point value data format.
Fig. 31: Setpoint assignment in the thermostat
Implementation with Application Unit ABZ/S 2.1
The Application Unit ABZ/S 2.1 with application Times/Quantities provides this option. The time
controlled telegrams (800 switching times are possible!) can be 2 byte fl oating point types here.
32
Auto
°C/°F
RDF/A
Electrothermal Valve Drive
FCA/S 1.1M
Date, time Date and time can be
(3 byte) received from another KNX clock
or transmitted to there
(3 byte data format)
1 bit, 8 bit At the set times, 1 bit switching
telegrams or 8 bit value telegrams
are sent