Technical information

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._________________________________
50
WAY
UDN2984
C
A
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