Siemens LMV50 series

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Building Technologies Basic Documentation LMV5... CC1P7550en
8 Display and operating unit AZL5 22.05.2018
AZL COM1
9-pin connector
Cable
7550t01E/0502
PC COM
9-pin socket
RxD
1
2
3
4
5
6
7
8
9
TxD
GND
RxD
TxD
GND
1
2
3
4
5
6
77
88
9
Figure 65: Connecting cable to the PC
Trebing & Himstedt
SUB-D
AZL5
RJ45
Trebing & Himstedt
SUB-D
Converter
RS-232 / RS-485
AZL5
RJ45
Pin RS-232 Pin Pin RS-485 Depending on Pin
2 RxD 3 3 Bus-P manufacturer 1
3 TxD 1 8 Bus-N 3
5 GND
4
6
4
6
Connecting cable
to the PC
(null modem cable)
Pin assignment
cable connection
Siemens AZL5
- Trebing
& Himstedt SPI3