Brainboxes IE-780 Technical Information PDF herunterladen (Seite 41)

Opto DIO16 OPTO DIO Reference

within the range 0200H-03F8H.

The i/o addresses that are likely to be good are in Figure

3-4, addresses to avoid are given in Figure 3-3. Only if the

particular card is present need the relevant address be avoided.

The software controlling the card must know its i/o address.

Figure 3-1. Opto DIO16 Card Layout._________________________________

WAY

UDN2984

IO Addr B

0308hex L

123456 E

Figure 3-2. Opto DIO16 Factory Set DIP Switches.____________________________________________

DIP 1-6 I/O Address select

on Opto DIO16 Factory Set

Default Address=

off 123456 0308 Hex, 776 Decimal

Figure 3-3. Likely I/O Address.___________________________

I/O ADDRESS NORMAL USE.___________ ___________

0204H- 0277H Unused.

0280H- 02BFH Unused.

02C8H- 02DFH Unused.

02E4H- 02F7H Unused.

0300H- 031FH Unused.

0330H- 035FH Unused.

0380H- 03AFH Unused Usually.

03E0H- 03EFH Unused.

Chapter 3 Page 29

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Brainboxes IE-780 Technical Information Seite 41