Seven Segment With Latch [Segl Instruction (Fnc 74)/Bcd Instruction (Fnc 18)]; When Segl Instruction (Fnc 74) Is Used - Mitsubishi Electric MELSEQ FX3S Series User Manual

FX Series Programmable Controllers
3S
User's Manual - Hardware Edition
13.4 Seven Segment with Latch [SEGL Instruction (FNC 74)/
BCD Instruction (FNC 18)]

13.4.1 When SEGL instruction (FNC 74) is used

This subsection gives examples of wiring for displaying the current value of D100 on the 4-digit 7-segment
display.
Example of program
M8000
FNC 74
RUN
monitor
Example of wiring
1) In the case of sink wiring
Transistor output (sink)
COM3 Y006 Y007
1 2
1
2
4
8
2) In the case of source wiring
Transistor output (source)
+V3 Y006 Y007
1 2
1
2
4
8
*1. Use a 7-segment display with a latch and a built-in BCD decoder.
13.4 Seven Segment with Latch [SEGL Instruction (FNC 74)/ BCD Instruction (FNC 18)]
D100 Y006
SEGL
Main unit (Example: FX
Y010 Y011 COM4 Y012 Y013
4 8 10
3 2 1
10 10 10 10
Main unit (Example: FX
Y010 Y011 +V4 Y012 Y013
4 8 10
3 2 1
10 10 10 10
K1
7-segment display to be used for sink wiring
(in the case of transistor output)
-30MT/ES)
3S
Y014 Y015
0 1 2 3
10 10 10
0
*1
7-segment display to be used for source
wiring (in the case of transistor output)
-30MT/ESS)
3S
Y014 Y015
0 1 2 3
10 10 10
0
*1
13 Examples of Wiring for Various Uses
PLC 7-segment display
+
Y Signal Internal
circuit
-
COM1
PLC 7-segment display
+
+V0
Internal
Y Signal
circuit
-
11
12
13
14
15
16
17
A
B
C
123