Omega Engineering OMG-PCI-DIO48 User Manual
Page 15
Technical Description
OMG-PCI-DIO48
Page 11
Tables : API Port/bit reference numbers for Absolute and Relative Addressing
R = Read
W = Write
R/W = Read or Write
Port
API Port # Absolute Address
(function)
A1
0 ( R/W )
B1
1 ( R/W )
C1
2 ( R/W )
A2
8 ( R/W )
B2
9 ( R/W )
C2
10 ( R/W )
Figure 5-Absolute byte Address (any configuration)
Port
API Port # Relative
Address (function)
Port Type
A1
0 ( R )
Input
B1
1 ( R )
Input
C1
2 ( R )
Input
A2
0 ( W )
Output
B2
1 ( W )
Output
C2 Lower
2 ( W )
Output
C2 Upper
3 ( R )
Input
Figure 6-Relative byte Address Given:
Inputs A1, B1, C1, C2Upper
Outputs A2, B2, C2 Lower