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Siemens
VAV compact controller KNX/PL-Link G..B181.1E/KN
CE1P3547en
Building Technologies
2017-03-23
6.2 Engineering
6.2.1 KNX S-mode engineering
For engineering in KNX S-mode, good command in operating the ETS3 / ETS4 is
required. Basic knowledge about KNX standards is presupposed as well. The
parameters and S-mode datapoints are documented in chapter 9.
The VAV compact controllers are certified KNX devices, thus the usual ETS
workflows in KNX projects apply.
For KNX S-mode engineering, the required product data (*.vd5 or *.knxprod) have
to be downloaded from the Siemens website and imported into the ETS device
catalog. To obtain the product data, navigate to
www.siemens.com/hvac-td
or
www.siemens.com/openair
and locate the “Downloads” section.
6.2.2 KNX LTE-mode / Synco 700 engineering
Engineering in KNX LTE-mode environments (Synco 700 Series C or newer) is
executed with the tool ACS790. Use of this tool is explained in [13].
When using ACS790, it is important to make sure that the latest version but at least
version 8.00 is installed.
During mounting of the VAV compact controllers, the address labels can be
removed from the devices and attached to e.g. the building/floor plan to map KNX-
IDs and physical location of the devices.
After mounting and installation is completed, the installed devices are found when
the ACS790 device list is refreshed. In the device list, the collected IDs can be
used to identify the devices and to assign physical addresses according to the
intended plant topology. With this approach, commissioning can be done without
much effort. For an alternative commissioning procedure, cf. section
6.3.3
.
Plants with supply air and extract air control in KNX LTE-mode environments with
Synco 700 (Series C or newer) have to be realized as a Master/Slave configuration
(cf. section
5.3.4
). All devices have to be in the same air distribution zone which
has to be set to “8” in Synco 700 systems.
The Slave-VAV compact controller’s air volume flow limits (V
min
and V
max
) have to
be set to 0 % and 100 %. The VAV compact controllers have to be configured as
Master and Slave in ACS790 (in “Plant engineering”, navigate to VAV compact
controller / “Operation settings”).
The Master-VAV compact controller must be associated with “Supply air”, and the
Slave-VAV compact controller must be associated with “Extract air”.
Parameter
RDG400KN
Supply air (Master)
Extract air (Slave)
Minimum and
maximum
volume flow
V
min
= x
1
%
V
max
= x
2
%
x
1
, x
2
= Project values
V
min
= y
1
%
V
max
= y
2
%
y
1
, y
2
= Project values
V
min
= 0 %
V
max
= 100 %
Air distrib. zone 8
8
8
Master/Slave
-
Master
Slave
Type of air
-
Supply air
Extract air
Certified KNX product
Obtaining the KNX
product data
Required ACS790
version
Recommendation: collect
address labels during
mounting
Special settings for
Master/Slave
configuration
