Override The Valve Actuator - Siemens Desigo RXB Technical Manual

K N X
CO
R
Note
Siemens
Building Technologies
8.3.2

Override the valve actuator

For test purposes, the following communication objects can be used to override chilled
ceiling and radiator valve actuators.
Heating surface valve override (input communication object)
Flags Type
R W C T U
0 1 1 0 0 8.010
DPT_Percent_V16
Cooling surface valve override (input communication object)
Flags Type
R W C T U
0 1 1 0 0 8.010
DPT_Percent_V16
Before the valve actuators can be overridden, Test mode must be activated via the
communication object Application mode (see page 105).
The valve is operated in accordance with the settings shown below:
Heating Cooling
value value
invalid invalid
valid
invalid
valid
invalid
valid valid
RXB (KNX) Applications library
Control sequences
Receive timeout
No
Receive timeout
No
Control
-----
Heating
Cooling
thermal actuators:
Heating and cooling alternately, with the
heating value.
Motorized actuators:
Heating and cooling valve driven to the
heating position.
CLC and RAD description of functions for CC-02 CM110384en_03
Value
0...100% 0 = 0%
+100 = +100%
+32767 = invalid
Value
0...100% 0 = 0%
+100 = +100%
+32767 = invalid
93/140
28 Feb 2009