Installation - Overview; Pxc3 - Siemens Desigo TRA Engineering, Mounting And Installation Manual

Element
T1
AC 24 V
N1
U1, U3
U2
U4
U5
--
--
--
Ethernet
KNX PL-Link
DALI
14 / 84
Siemens
Building Technologies
4 Installation – overview
4.1

PXC3...

The illustration is a diagram of a PXC3 room automation station in an installation
box / panel, the TX-I/O modules, connections to the field devices as well as bus
connections (Ethernet, KNX, DALI)..
Installation box /
cabinet
AC 24 V
Island bus
Description
Transformer AC 24 V
Wiring of power lines and island bus
PXC3... room automation station.
TXS1.EF10Bus connection modules
I/O row, supplied by the PXC3...
I/O row supplied by a TXS1.EF10Bus connection
module
TXA1.IBE Island bus expansion module (optional)
Electrical properties of inputs and outputs
Power supply for field devices
Wiring of field devices
Desigo TRA Engineering, mounting and installation
Installation – overview
transformer sizing
M
Details see section / document
0
6.3.1
[8]
[8]
[8]
[8]
[8]
8
6.4
7
9
12
13
CM111043en_09
Ethernet
KNX PL-Link
DALI
2016-02-22