Epson RC180 Manual page 86

Setup & Operation 12. Option Units
Protected Expansion I/O Board
Typical Input Circuit Application 1
Protected Expansion I/O Board
Typical Input Circuit Application 2
74
Expansion I/O board-1
1 Input No.64 to 71 common
2 Input No.64
3 Input No.65
(Same)
4 Input No.66
(Same)
5 Input No.67
(Same)
6 Input No.68
(Same)
7 Input No.69
(Same)
8 Input No.70
(Same)
9 Input No.71
(Same)
18 Input No.72 to 79 common
(Same)
19 Input No.72
20 Input No.73
Omit
Expansion I/O board -1
1 Input No.64 to 71 common
2 Input No.64
3 Input No.65
(Same)
4 Input No.66
(Same)
5 Input No.67
(Same)
6 Input No.68
(Same)
7 Input No.69
(Same)
8 Input No.70
(Same)
9 Input No.71
(Same)
18 Input No.72 to 79 common
(Same)
19 Input No.72
20 Input No.73
Omit
GND +DC
GND +DC
RC180 Rev.17