User Manual

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Siemens PXR11, PXR12 – System controllers CA1N9235en_03
Building Technologies 31 Jan 2009
Connection terminals
01455 A
1
TE G0 G
LON
®
AC 24 V
6 VA
TOOL
51
52
CLA CLB
5
RS232 / COM2
CLA CLB
23
LON
®
HMI / TOOL
Pin layout
Pin Code Description
1 TE Technical earth
2
G0 AC 24V Neutral
1
2 3
01393
3
G AC 24V Phase
1 CLA LONWORKS® data A
2
CLB LONWORKS® data B
3
G0 AC 24V neutral
4
G AC 24V phase
5
NC not connected
6
NC not connected
7
TXD transmit data COM1
8 7 6 5 4 3 2 1
01395 a
8
RXD received data COM1
1 CLA LONWORKS® data A
2 CLB LONWORKS® data B
1
2
01396
1 DCD Data carrier detect
2
RXD Received data
3
TXD Transmit data
4
DTR Data terminal ready
5
GND Signal ground
6
DSR Data set ready
7
RTS Request to send
8
CTS Clear to send
01394
6789
1
23
45
9
NC Not connected
1 Power supply
2 HMI / Tool,
BACnet over LonTalk
3 L
ONWORKS®,
BACnet over LonTalk
5 RS232 / COM2 port