Epson RC520 Manual page 92

Setup & Operation 7.5 Expansion I/O Connector (Expansion I/O Board - Optional)
Expansion I/O connector cable - Pin Assignments: NPN type
Connector on the cable side [2]
Pin No.
1 (13) Input common E (No. 64 to 67)
2 (14) NC
3 (15) Input No.64
4 (16) Input No.65
5 (17) Input No.66
6 (18) Input No.67
7 (63) Input common F (No. 68 to 71)
8 (64) NC
9 (65) Input No.68
10 (66) Input No.69
11 (67) Input No.70
12 (68) Input No.71
13 (19) Input common G (No. 72 to 75)
14 (20) NC
15 (21) Input No.72
16 (22) Input No.73
17 (23) Input No.74
18 (24) Input No.75
19 (69) Input common H (No. 76 to 79)
20 (70) NC
21 (71) Input No.76
22 (72) Input No.77
23 (73) Input No.78
24 (74) Input No.79
25 (99) FG
The number in parentheses in the Pin No. above means the corresponding pin number on the 100-pin
connector.
78
Signal Name Pin No.
26 (37) Output common E (+DC: No. 64 to 67)
27 (38) Output common E (GND: No. 64 to 67)
28 (39) Output No.64
29 (40) Output No.65
30 (41) Output No.66
31 (42) Output No.67
32 (87) Output common F (+DC: No. 68 to 71)
33 (88) Output common F (GND: No. 68 to 71)
34 (89) Output No.68
35 (90) Output No.69
36 (91) Output No.70
37 (92) Output No.71
38 (43) Output common G (+DC: No. 72 to 75)
39 (44) Output common G (GND: No. 72 to 75)
40 (45) Output No.72
41 (46) Output No.73
42 (47) Output No.74
43 (48) Output No.75
44 (93) Output common H (+DC: No. 76 to 79)
45 (94) Output common H (GND: No. 76 to 79)
46 (95) Output No.76
47 (96) Output No.77
48 (97) Output No.78
49 (98) Output No.79
50 (100) FG
Signal Name
RC520 Rev.7