Remote Processing RPC-52 - Manual (Page 22)

DIGITAL AND OPTO PORTS CHAPTER 6
Page 20
Figure 6-3
Digital I/O connector pinout (viewed from top)
Table 6-1 Conne ctor pin ou t - J4
Pin # 82C55 Description Opto
Channel
19 Port A, line 0 8
21 Port A, line 1 9
23 Port A, line 2 10
25 Port A, line 3 11
24 Port A, line 4 12
22 Port A, line 5 13
20 Port A, line 6 14
18 Port A, line 7 15
10 Port B, line 0 High current 16
8 Port B, line 1 High current 17
4 Port B, line 2 High current 18
6 Port B, line 3 High current 19
1 Port B, line 4 High current 20
3 Port B, line 5 High current 21
5 Port B, line 6 High current 22
7 Port B, line 7 High current 23
13 Port C, line 0 Lower C 0
16 Port C, line 1 Lower C 1
15 Port C, line 2 Lower C 2
17 Port C, line 3 Lower C 3
14 Port C, line 4 Upper C 4
11 Port C, line 5 Upper C 5
12 Port C, line 6 Upper C 6
9 Port C, line 7 Upper C 7
26 Ground
2 + 5V