Mitsubishi Electric MELSEC FX3U Programming Manual page 455

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
3) Example of connecting one seven-segment display unit
The figure below shows an example of the FX
For wiring details, refer to the following manuals.
PLC (transistor output type)
COM D
1
2
4
8
When using two sets of 4 digits (n = K4 to K7)
1) Data and strobe signal
a) 1st set of 4 digits
A 4-digit numeric value stored in
in turn from
The strobe signal is output in turn from
the first set of 4-digit seven-segment display unit.
b) 2nd set of 4 digits
A 4-digit numeric value stored in
output in turn from
The strobe signal is output in turn from
the second set of 4-digit seven-segment display unit. (The strobe signal outputs
are shared by the 1st and 2nd sets.)
2) For and
S
3) Example of connecting two seven-segment display units
The figure below shows an example of the FX
For wiring details, refer to the following manuals.
PLC
(transistor output type)
COM
D D
1
1
2
4
8
+1 +2 +3
D D D
1 4 8
2
3 10 2 10 1
10 10
1st set
S
to +3 in the time division method.
D D
+10 to
D D
+1, binary data in the range from 0 to 9999 is valid.
S
+1 +2 +3 +4
D D D D
4 8
2
10 0
10 3 10 2 10 1
10 0
1st set
15 External FX I/O Device – FNC 70 to FNC 79
15.5 FNC 74 – SEGL / Seven Segment With Latch
series main unit (sink output).
3U
+4 +6 +7
D D +5 D D
10 0 10 1 10 2
10 3
0
V+
→ For selection of "n", refer to Subsection 15.5.2.
is converted from binary into BCD, and its each digit is output
+4 to +7 in the time division method also to latch
D D
+1 is converted from binary into BCD, and its each digit is
S
+13 in the time division method.
+4 to +7 in the time division method also to latch
D D
series main unit (sink output).
3U
+5 +6 +7 COM
D D
1
10 10 2 3
10
V+
→ FX
Hardware Edition
3G
→ FX
Hardware Edition
3U
→ FX
Hardware Edition
3UC
+4 to
D
→ FX
Hardware Edition
3G
→ FX
Hardware Edition
3U
→ FX
Hardware Edition
3UC
+10 +11 +12 +13
D D D D
1 4 8
2
10 3 10 2 10 1
1
2
4
8
2nd set
11
12
13
14
15
16
+7
D
17
18
19
0
10
V+
20
453