209
FX
3UC
Series Programmable Controllers
User’s Manual - Hardware Edition
7 Examples of Wiring for Various Uses
7.8 Seven Segment with Latch [SEGL (FNC 74)/BCD (FNC 18)]
1
O
utline
2
Exter
nal
D
im
en
sions
3
Ge
ne
ric
Speci
ficat
ions
4
Pow
er Suppl
y
Specif
icati
ons
5
Input
Spec
ific
ations
6
O
utput
Specif
icat
ions
7
Exam
pl
es
of
W
iri
ng
fo
r
Va
rious U
ses
8
Te
rm
inal B
lock
9
CC
-L
in
k/L
T
Ma
ste
r F
X
3UC
(LT
only)
10
D
ispl
ay m
odule
FX
3UC
(L
T only)
7.8.2
When BCD instructions are used
This subsection gives examples of wiring for displaying the current value of D100 on the 2-digit 7-segment
display.
1. Main unit
Example of program
Example of wiring
1) In the case of sink wiring
Use the sink only input, sink only output type main unit.
The wiring example is the FX
3UC
-32MT/D or FX
3UC
-32MT-LT.
2) In the case of source wiring
Use the sink/source common input, source only output (transistor output) type main unit.
The wiring example is the FX
3UC
-32MT/DSS.
BCD
M8000
D100
K2Y010
Y010
COM1
Y011 Y012 Y013 Y014 Y015 Y016 Y017
1
2
4
8
1
2
4
8
8
4
2
1
8
4
2
1
Signal
-
Internal
circuit
7-segment display
+
Y
COM1
PLC
7-segment display to be used for sink wiring
(in the case of transistor output)
COM1
FX
3UC
-32MT/D
FX
3UC
-32MT-LT
Transistor output (sink)
*
* Use a 7-segment display with a latch and a built-in BCD decoder.
Fuse
Y010
+V0
Y011 Y012 Y013 Y014 Y015 Y016 Y017
1
2
4
8
1
2
4
8
8
4
2
1
8
4
2
1
+V0
FX
3UC
-32MT/DSS
Transistor output (source)
*
* Use a 7-segment display with a latch and a built-in BCD decoder.
Fuse
Signal
-
Internal
circuit
7-segment display
+
Y
PLC
+V0
7-segment display to be used for source wiring
(in the case of transistor output)
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