3 Each Component Function
18
Hardware Manual
External Connection
3k
Ω
1/2W
External power supply
(12 - 24VDC)
Input
contact
PI_PCOM
PI(0) - PI(2)
I/O connector
10k
Ω
Figure 3.3. Input circuit
P_PO(0) - P_PO(2)
N_PO(0) - N_PO(2)
External power supply
(Max. 30VDC)
(External cuiruit)
PC357
Load
330
Ω
2SD780A
I/O connector
4.7k
Ω
Figure 3.4. Output circuit