User Manual

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Siemens PXC3.E... Room automation stations CM1N9203en_07
Building Technologies 2019.05-15
Connection terminals and interfaces
KNX
PXC3.E7x...
PXC3.E7xA...
PXC3.E16A
-100A
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