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Astronics OmniBusII - Shunt Discrete Input;Output Usage; Table 4.6-Avionics Discrete I;O Designations

Astronics OmniBusII
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OMNIBUS II FEATURES
4.5.5 Shunt Discrete Input/Output Usage
Ballard Technology’s BTIDriver API provides functions to read and write the
discretes. The parameter dionum in the API functions (BTICard_ExtDIORd and
BTICard_ExtDIOWr) specifies which discrete to read or write.
Table 4.6 below shows the correlation between dionum and its hardware refer-
ence designator (i.e., ADIOn).
Name
Description
LFH
Pin#
LFH
Pin Name
API
dionum
ADIO0
Avionics DIO 0
7
BUS4P
17
ADIO1
Avionics DIO 1
6
BUS4N
18
ADIO2
Avionics DIO 2
24
BUS5P
19
ADIO3
Avionics DIO 3
25
BUS5N
20
ADIO4
Avionics DIO 4
9
BUS6P
21
ADIO5
Avionics DIO 5
8
BUS6N
22
ADIO6
Avionics DIO 6
22
BUS7P
23
ADIO7
Avionics DIO 7
23
BUS7N
24
ADIO8
Avionics DIO 8
37
BUS12P
25
ADIO9
Avionics DIO 9
36
BUS12N
26
ADIO10
Avionics DIO 10
54
BUS13P
27
ADIO11
Avionics DIO 11
55
BUS13N
28
ADIO12
Avionics DIO 12
39
BUS14P
29
ADIO13
Avionics DIO 13
38
BUS14N
30
ADIO14
Avionics DIO 14
52
BUS15P
31
ADIO15
Avionics DIO 15
53
BUS15N
32
Table 4.6—Avionics discrete I/O designations
OmniBus II PCIe/PXIe User’s Manual 4-7

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