Advantech PCL-849 manual Default Settings, Interrupt Level IRQ Setting S1, JP1, JP2, JP3, JP4

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 6 PCL-849 User's Manual