Contec IPC Series - Page 80

5. Each Component Function
External I/O Circuit
4.7kΩ
1/4W
External power
(12V - 24VDC)
Input
contact
(PCOM)
(PI 0 - 2)
RAS connector
(External circuit)
PC817
Internal
reset
(IN)
4.7kΩ
Figure 5.18. Input Circuit
(PO 0 - 2)
(NCOM)
External power
(Max. 30VDC)
(External circuit)
RAS connector
PC817
Lard
510Ω
4.7kΩ
2N3904
Figure 5.19. Output Circuit
User’s Manual
75