Mitsubishi Electronics FX1S 用户手册
FX1S Series Programmable Controllers
Inputs 5
5-3
5.1.2
Input Circuit Connection
Figure 5.2: Input Circuit Diagrams (Source/Sink)
5.1.3
Diodes and Inputs Connected in Series
Figure 5.3: Diode Connection Diagram
Vdrop across the diode Max. 4V
No more than 2 LEDs should be connected in series.
No more than 2 LEDs should be connected in series.
24V
X
24V DC
0V
S/S
Source (-ve S/S)
24V
X
24V DC
0V
S/S
Sink (+ve S/S)
24V
X
0V
S/S