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Siemens
PXC3.E... Room automation stations
CM1N9203en_05
Building Technologies
2015-11-23
Connection terminals and interfaces
KNX
PX
C
3.E
7x
...
PXC
3.
E
7x
A.
..
PXC
3.
E
16
A-
10
0A
1, 2
2 x RJ45 interface for Ethernet (2-port Ethernet switch)
X
X
X
4 KNX
+, –
KNX PL-Link connection
X
X
*)
4 24 V / 2A ~,
⊥
, 2 A Output AC 24 V for externally supplied devices with KNX
PL-Link (Short-circuit proof with PTC resistor)
X
X
*)
8 24 V~
~,
⊥
Operating voltage AC 24 V
X
X
X
8 24 V
~,
⊥
, 6 A Output AC 24 V to supply other PXC3... room automation
stations (internally connected to 24 V on pcb –
no
internal fusing
)
X
X
X
F
T 10 A fuse for island bus conductor V~
X
X
*)
USB
USB interface
X
X
X
12
DALI
DALI bus connection
*)
X
X
Service
Service pin Ethernet
X
X
X
DALI
DALI test
*)
X
X
(Without
labels)
Island bus The island bus is created automatically when TX-I/O
devices are snapped on the standard mounting rail
X
X
*)
*) Fitted, but no labeling and no function in this type