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13 Examples of Wiring for Various Uses
124
FX3S Series Programmable Controllers
User's Manual - Hardware Edition
13.4 Seven Segment with Latch [SEGL Instruction (FNC 74)/ BCD Instruction (FNC 18)]
13.4.2 When BCD instruction (FNC 18) is used
This subsection gives examples of wiring for displaying the current value of D100 on the 2-digit 7-segment
display.
Example of program
Example of wiring
1) In the case of sink wiring
2) In the case of source wiring
D100 K2Y006
M8000
FNC 18
BCD
RUN
monitor
1248124
Y007Y006 Y010 Y011 COM4 Y012 Y013 Y015
8
12481248
Transistor output (sink)
Signal
Internal
circuit
-
7-segment display
+
Y
COM1
PLC
COM3
7-segment display to be used for sink wiring
(in the case of transistor output)
Main unit (Example: FX
3S-30MT/ES)
Y014
Y007Y006 Y010 Y011 +V4 Y012 Y013 Y015
Transistor output (source)
Signal
Internal
circuit
-
7-segment display
+
+V0
Y
PLC
+V3
7-segment display to be used for source
wiring (in the case of transistor output)
Main unit (Example: FX
3S-30MT/ESS)
Y014
12481248
12481248