Quanmax HPC-1010 Guía de usuario descargar pdf (Pagina 20)

Chapter 2

20

HPC-1010 User’s Manual

 COM port

COM port with the pin definitions.

COM1RS-232 / 422 / 485 Port DB-9

Pin RS-232 RS-422

Half Duplex

RS-485

Full Duplex

RS-485

1

DCD

TX-

DATA-

TX-

2

RXD

RX+

N/A

RX+

3

TXD

TX+

DATA+

TX+

4

DTR

RX-

N/A

RX-

5

GND

GND

GND

GND

6

DSR

N/A

N/A

N/A

7

RTS

N/A

N/A

N/A

8

CTS

N/A

N/A

N/A

9 RI

RI RI RI

Figure 6 COM port

COM

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