Mitsubishi Electric FX3G SERIES Programming Manual page 443

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
Contents of the display and operation part
Higher
digit
S
+3
1) Specifying the number of digits of the seven-segment display unit having the BCD decoder n
In the explanation below, "n" is set to "4" (up to the 10
2) Operation of the digit selection switches (
- Operation when the lower digit input
Every time the lower digit switch is pressed, the digit specification changes in the way "10
3
→ 10
".
- Operation when the higher digit input
Every time the higher digit switch is pressed, the digit specification changes in the way "10
3
→ 10
".
3) Operation of the LED for displaying a selected digit (
A specified digit can be displayed by the LED offered by the strobe signals
4) Operation of the switches for changing data in each digit (
In a digit specified by a digit selection switch described above, data is changed as follows:
- When the increment input turns ON
Every time the increment switch is pressed, the contents of
→ 0 → 1".
- When the decrement input turns ON
Every time the decrement switch is pressed, the contents of
→ 9".
The contents can be displayed in the seven-segment display unit.
As described above, a target numeric value can be written to
the seven-segment display unit.
Display/operation panel
← Display for
selected digit
Increment
S +1
Lower
digit
S
+2
S
Decrement
Arrow switches
Provided to select a digit and increment or
decrement the numeric value in the selected digit.
S +2 and
+2 turns ON
S
S +3 turns ON
15 External FX I/O Device – FNC 70 to FNC 79
15.6 FNC 75 – ARWS / Arrow Switch
10 3
D
+7
2
10 2
D
+6
2
To outputs in
1
10
D
+5
2
10 0
D
+4
2
Seven-segment display unit
Equipped with the latch function so that a
numeric value being set can be seen.
8
D
+3
2
4
D
+2 To outputs in
2
2
D
+1
2
1
D
2
S
+3
S
+2 To inputs in
S
+1
S
3
digit).
S +3)
+4 to +7)
D D
2 2
D
2
S and S +1)
change in the way "0 → 1 → 2 → ... → 8 → 9
D
1
change in the way "0 → 9 → 8 → 7 ... 1 → 0
D
1
D using a series of operation while looking at
1
PLC
PLC
PLC
3 2 1
→ 10 → 10 → 10
3 0 1
→ 10 → 10 → 10
+4 to D +7.
2
441
11
12
13
14
15
16
0
17
2
18
19
20