Advantech SPC-57 user manual CN 4 RS-485 serial port

Models: SPC-57

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★CN 4 : RS-485 serial port

Pin

Signal

 

 

 

1

DCD

 

2

RXD

 

 

3

TXD

 

 

4

DTR

 

 

5

GND

 

 

6

DSR

 

 

7

RTS

 

 

8

CTS

 

 

9

RI

 

 

Figure 3.8 I/O Board COM1(RS-232) serial port

CN 4 : RS-485 serial port

45

Page 45
Image 45
Advantech SPC-57 user manual CN 4 RS-485 serial port