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CHAPTER 6 DIGITAL LINES

RPC-150 Page 17

Figure 6-3 Digital I/O connector pin out (viewed from top)

Conne ctor pin ou t - J3

Pin # 82C55 Description Opto

Port Channel

10 Port A, line 0 0

8 Port A, line 1 1

4 Port A, line 2 2

6 Port A, line 3 3

1 Port A, line 4 4

3 Port A, line 5 5

5 Port A, line 6 6

7 Port A, line 7 7

19 Port B, line 0 8

21 Port B, line 1 9

23 Port B, line 2 10

25 Port B, line 3 11

24 Port B, line 4 12

22 Port B, line 5 13

20 Port B, line 6 14

18 Port B, line 7 15

13 Port C, line 0 16

16 Port C, line 1 17

15 Port C, line 2 18

17 Port C, line 3 19

14 Port C, line 4 20

11 Port C, line 5 21

12 Port C, line 6 22

9 Port C, line 7 23

26 Ground

2 +5V

Opto Channel numbers correspond to the number

preceded by the letter ' M' on the opto rack.

COMMANDS

The following tables shows the CAMBASIC commands

used for digital I/O.

Command Function

BIT Function returns status of bit at an I/O

address

BIT Comm and sets a bit at an I/O address

CONFIG PIO Configures J3 I/O port

INP Returns a byte from an I/O address

LINE Returns status of a line

LINE Sets line high or low

OPTO Sets an opto module output

OPTO Reads opto module status

OUT Writes a byte to an I/ O address

PULSE Reads or writes a pulse at a port.

See also ON BIT, ON C OUNT , ON INP, and related

statements.

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 25 26

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