Input Circuit Connection; Diodes And Inputs Connected In Series - Mitsubishi FX1S-10MR-ES/UL Hardware Manual

FX1S Series Programmable Controllers
5.2.2

Input Circuit Connection

Figure 5.2: Input Circuit Diagrams (Source/Sink)
Source (-ve S/S)
24V
X
S/S
0V
5.2.3

Diodes and Inputs Connected in Series

Figure 5.3: Diode Connection Diagram
24V
X
S/S
0V
Voltage drop across the diode is Max. 4V.
No more than 2 LEDs should be connected in series.
24V DC
Sink (+ve S/S)
24V
24V DC
X
S/S
0V
Inputs 5
5-3