2.6Connector Pin Assignment

2.6.1Pin Assignment of PCIDIO 24H/48H/96H

The I/O ports of PCIDIO 24H/48H/96H emulate the mode 0 configuration of the 8255 general purpose programmable peripheral interface. The cards come equipped with 50-pin male IDC connectors that interface with OPTO-

22.Figure 2.4 shows the circuits and pinout of PCIDIO 24H/48H/96H's connectors (CN1~CN4) .

JPn

1

+12V

2

FUSE

3

 

CNn

 

PnC7

 

1

2

PnC6

 

3

4

PnC5

 

5

6

PnC4

 

7

8

PnC3

 

9

1 0

PnC2

 

11

1 2

PnC1

 

13

1 4

PnC0

 

15

1 6

PnB7

 

17

1 8

PnB6

 

19

2 0

PnB5

 

21

2 2

PnB4

 

23

2 4

PnB3

 

25

2 6

PnB2

 

27

2 8

PnB1

 

29

3 0

PnB0

 

31

3 2

PnA7

 

33

3 4

PnA6

 

35

3 6

PnA5

 

37

3 8

PnA4

 

39

4 0

PnA3

 

41

4 2

PnA2

 

43

4 4

PnA1

 

45

4 6

PnA0

 

47

4 8

49

5 0

HEADER 25X2

+5V

FUSE

Figure 2.6.1 pin assignments and power signals of PCIDIO 24H/48H/96H

Installation ∙ 13