User Manual

System configuration
Devices
22
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● Max. number of devices:
– 64 on PXC3.xx
– 32 on DXR2.xx
● The range of the Individual Address (IA) can be defined as follows in Desigo
room automation:
– KNX S-Mode: 1 … 179
– KNXnetIP: 180 und 181
– KNX PL-Link devices: 182 … 250
– Desigo room automation station: 251
– Max. number of KNX S-Mode group addresses: 238
22.4.10 Number of data points for PXC3
A PXC3.E72x supports max. 4 rooms or 8 room modules and is limited to 72 TX-
I/O data points.
A PXC3.E.75 supports max. 8 rooms or 16 room modules and is limited to 200
TX-I/O data points.
These criteria must be satisfied to be able to select the correct PXC…:
● The physical TX-I/O data points used
● The total number of I/O data points used from TX-I/O, KNX PL-Link, and
DALI
ASN Physical TX-I/O data points used Total I/O data points (TX-I/O, DALI, KNX PL-Link)
PXC3.E16A n/a 64
PXC3.E72 72 140
PXC3.E72A 72 140
PXC3.E75 200 280
PXC3.E75A 200 280
Web clients for room operation
Item Limit Description
QMX7.E38 and standard web clients
1
8 Recommended number of web clients that can simultaneously
access a PXC3.
Templates with standard background
pictures
2
6 Maximum number of different templates which are using the
default background pictures.
Customized background pictures
2
1.5 MB Maximum total size of all customized background pictures (the
PNG file format is used as a reference).
Key
1
Restriction: When using standard web clients (web browser on PCs, smart phones, tablets,
etc.), the screen display and operation (touch or mouse) are neither modified nor tested for
the available browsers.
2
Valid values when using 8 room applications at the boundary of maximum system limits.