Advantech 4-Port RS-232 Interface card PCL-849 Manuel d'utilisateur télécharger pdf (Page 15)

16 PCL-849 User's Manual

Default Settings

Mode Enhanced Mode

Port 1 IRQ12 Address 300H

Port 2 IRQ12 Address 308H

Port 3 IRQ12 Address 310H

Port 4 IRQ12 Address 318H

The following example shows how to set the base address to 2F8.

The switch sum is set to 2F8: 200 + 80 + 40 + 20 + 10 + 8 (HEX).

Note: On the PCL-849 address line A9 does not appear on the DIP

switch, as it is permanently hardwired to hex 200.

Interrupt Level (IRQ) Setting

(S1, JP1, JP2, JP3, JP4)

The card's IRQ mode can be set using S1. Shared IRQ mode or

independent IRQ mode is set as shown below.

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 32 33

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Advantech 4-Port RS-232 Interface card PCL-849 Manuel d'utilisateur Page 15