Technical information

Opto OUT24 OPTO DIO Reference
factory set address, 0308H, is set as shown in Figure 5-2. DIP
switches determine the Opto OUT24 card i/o base address select,
DIP switches 1-7 correspond to the A2-A8 address lines,
respectively. DIP switch 8 is not connected.
The Opto OUT24 card can reside at one of 128 base
addresses on an 4 byte boundary within the range 0200H-03F8H.
The factory set default address is 0308hex.
The i/o addresses that are likely to be good in Figure 5-4.
addresses to avoid is given in Figure 5-3. Only if the particular
adapter card is present need the relevant address be avoided.
Figure 5-1. Opto OUT24 Card Layout.__________________________________
WATCH DOG ..
PA10 OUT
WATCHDOG
BUS gated to IRQ or RESET via software 50
WAY
OUT VIA PA10
C
A
IO Addr B
0308hex L
12345678 E
UDN2984
IRQ7 ULN2803
Figure 5-2. Opto Out24 Factory Set DIP Switches.___________________________________________
DIP 1-7 I/O Address select
on
X
off 12345678 DIP switch 8 is DON’T CARE
Opto OUT24 Factory Set Default Address= 0308 Hex, 776 Decimal
Chapter 5 Page 51