Position Values For Tediator Valve Actuators; Heat Demand; Radiator Valve Actuator Override - Siemens Desigo RXB Technical Manual

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STOP
Important!
K N X
CO
R
Reducing the bus load
HandyTool See parameters in the last column of the following table.
Short name
Heating surface outp bus valve
102/166
Siemens
Building Technologies
8.5.2

Position values for tediator valve actuators

The "position" of the radiator is mapped to the bus. See also section 8.1.5.
The Heating surface output communication object must NOT be used for applications
for thermal valve actuators to control KNX/EIB valve actuators. With these applications,
the communications objects have theoretical valve positions only.
In S-mode, the following communication object is used for this purpose:
Heating surface output (Output communication object)
Flags
Type
R W K T U
1 0 1 1 0 5.001
DPT_scaling
In LTE mode, the "position" of the radiator is transmitted as follows:
Heating surface output (Output)
ActPosSetpHeatStageB
Geographical zone
If the LTE bus information is not required, it can be disabled (see pages 90 and 143 for
notes on reducing the load on the bus).
Range
0 = Disabled / Off
1 = Enabled / On
8.5.3

Heat demand

This application can have two different heat demand signals; one from the air-to-air
heat exchanger and one from the radiator. In KNX –LTE mode, the demand signals are
mapped as 2 bus signals (see 11.5 , Heating and cooling demand ).
In S-mode, this demand is summarized in Heating demand room .
8.5.4

Radiator valve actuator override

See also section 8.1.7.
RXB (KNX) application library
Control sequences
Send heartbeat
yes
Possible partner function blocks
352 HVA
HVAC Valve Actuator
FNC Description of functions for FC-10, FC-11, FC-12
Value
0...100%
0 = 0%
255 = 100%
Known partner
devices
---
Basic setting
HandyTool
Disabled(0)
*086
CM110385en_05
28 Feb 2009

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