FX1S Series Programmable Controllers Inputs 5
5-3
1
2
3
4
5
6
7
8
5.2.2 Input Circuit Connection
Figure 5.2: Input Circuit Diagrams (Source/Sink)
5.2.3 Diodes and Inputs Connected in Series
Figure 5.3: Diode Connection Diagram
Voltage drop across the diode is Max. 4V.
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