Iei-integration AFL-W19A_W19B_17D_W15A-GM45 v1.06 Uživatelský manuál stáhnout pdf (Strana 32)

AFL-W19A/W19B/17D/W15A-GM45 Panel PC

Page 20

Pin Description

5-6 5 V

Table 2-4: COM3 Pin-9 Setup

2.5.3 COM3 RS-232/422/485 Setup

Jumper Label: J3 and J4

Jumper Type:

8-pin and 12-pin headers

Jumper Settings:

See

Table 2-5 and Table 2-6

This serial port can be set to use RS-232, RS-422 or RS-485 communication methods.

Set all the jumpers to the same settings.

J3 Description

1-2 According to BIOS settings

3-4 RS-232

5-6 RS-422

7-8 RS-485

Table 2-5: COM3 RS-232/422/485 Setup

J4 Description

1-2, 4-5, 7-8, 10-11 RS-232

2-3, 5-6, 8-9, 11-12 RS-422/485

Table 2-6: COM3 RS-232/422/485 Setup

The pinouts for RS-232, RS-422 and RS-485 communication are shown below.

Pin RS-232 Desc. RS-422 Desc. RS-485 Desc.

1 DCD TX- D-

2 RX TX+ D+

3 TX

4 DTR

5 GND

6 DSR RX-

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 137 138

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Iei-integration AFL-W19A_W19B_17D_W15A-GM45 v1.06 Uživatelský manuál Strana 32