REL-16 IO card Settings and Configuration

Card Type	Relay Output board
Chip Set	Unidentified
I/O Options	Parallel ports (2) via DB37 port
Data Bus	8-bit ISA
Card Size	Half-length, full-height

CONNECTIONS
Function	Label
37-pin parallel port	P2

BASE I/O ADDRESS SELECTION
Setting	SW1/1	SW1/2	SW1/3	SW1/4	SW1/5	SW1/6	SW1/7	SW1/8
000h	On	On	On	On	On	On	On	On
008h	On	On	On	On	On	On	On	Off
018h	On	On	On	On	On	On	Off	Off
038h	On	On	On	On	On	Off	Off	Off
078h	On	On	On	On	Off	Off	Off	Off
780h	Off	Off	Off	Off	On	On	On	On
7C0h	Off	Off	Off	Off	Off	On	On	On
7E0h	Off	Off	Off	Off	Off	Off	On	On
7F0h	Off	Off	Off	Off	Off	Off	Off	On
7F8h	Off	Off	Off	Off	Off	Off	Off	Off
Note: A total of 255 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/8 is the Least Significant Bit and switch SW1/1 is the Most Significant Bit. The switches have the following decimal values: SW1/8=8, SW1/7=16, SW1/6=32, SW1/5=64, SW1/4=128, SW1/3=256, SW1/2=512, SW1/1=1024. Turn off the switches and add the values of the switches to obtain the correct memory address. (Off=1, On=0)

MISCELLANEOUS TECHNICAL NOTES

Output ports are connected to 16 dip reed relays. Relays close when energized.