Operating Instructions

Table Of Contents
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Siemens RXB (KNX) application library RXB Description of functions for FC-10, FC-11, FC-12, FC-13 CM110385en_08
Building Technologies Control sequences 2013-06-17
8.1.7 Override valve actuators
For test purposes, the valve actuators can each be overridden individually via the
following communication objects:
Heating valve override (Input communication object)
Cooling valve override (Input communication object)
Flags
Type Receive timeout Value
R
W
C
T
U
0 1 1 0 0 8.010
DPT_Percent_V16
no 0...100% 0 = 0%
+100 = +100%
+32767 = invalid
Before the valve actuators can be overridden, the “Test” mode must be activated via
the communication object Application mode (see page 145).
The valve is operated in accordance with the settings shown below:
Heating
value
Cooling
value
Control
Invalid
Invalid
-----
Valid
Invalid
Heating
Invalid
Valid
Cooling
Valid Valid
Thermal actuators:
Heating and cooling alternately, with the
Heating value
Motorized actuators:
Heating and cooling valve driven to the
Heating position
DC 0...10 V actuators:
Heating and cooling
In test mode, the minimum / maximum positioning signal values are 0 V respectively 10 V
per definition (RXB39.1 only).
CO
Note
STOP
Note!