Siemens SIMATIC NET Manuel d'installation - Page 27

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Siemens SIMATIC NET Manuel d'installation
Communication Ports
4.2.2 RS485/422 Data Ports
1
2
Figure 4.4
The RS232 data port has two modes of operations, but only one mode is active at any
given time:
•
•
To activate console configuration mode, press and hold Ctrl+Z for approximately 10
seconds during power up. To deactivate console mode, reset the device.
4.2.2
RS485/422 Data Ports
The serial terminal includes a single RS485/RS422 data port. In half duplex mode,
the RS485 connections (Rx+, Rx-, COM) should be connected. In full-duplex mode,
the RS422 connections (Rx+, Rx-, Tx+, Tx-, COM) should be connected. Both RS485
18
1
1
5
Serial Terminal
DB9 Console Port
RS232 Port to Console Port Pin Configuration
DB9 Pin
1
2
3
4
5
6
7
8
9
Communications with IEDs (intelligent electronic devices such as PLC, RTU, etc.)
Console configuration of the device.
2
6
9
Name
Reserved (Do Not Connect)
RD
TD
Reserved (Do Not Connect)
SGND
Reserved (Do Not Connect)
Reserved (Do Not Connect)
Reserved (Do Not Connect)
Reserved (Do Not Connect)
Description
Receive Data
Transmit Data
Signal Ground
RUGGEDCOM RMC30
Installation Manual, 04/2021, C79000-G8976-1008-10