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The serial port is compatible with RS232 and RS422/485 standard, and it has the following pinout:
TABLE 21: Serial port pinout
DB9 male
1
2
3
4
5
6
7
8
9
The bitrate, format (number of data bits, party, number of stop bits) and datagram type can be configured
using the Web Interface, as well as the type of signal transmitted by the pin OUT (pin 4).
Pins 2, 3 and 5 uses RS232 interface.
Pins 8 and 9 uses RS422 or RS485 interface.
For existing datagrams details, see
Appendix E
illustrates application architectures using the serial port with RS232 and RS485 standard.
RT430-TM-EN-5
Figure 19: Serial port RS232 e RS422/485
-
RXD
TXD
OUT (RS232 level output with user-programmable signal)
GND
-
V+ (RS232 level voltage reference of the internal converter)
422/485 TX+
422/485 TX-
Appendix
C. For serial port configuration, see
Sinal
Chapter
RT430
4.
39
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