Mitsubishi FX3UC SERIES User Manual page 207

FX Series Programmable Controllers
3UC
User's Manual - Hardware Edition
7.6 Hexadecimal Input [HKY (FNC 71)]
This section gives examples of wiring for capturing values (0 to 9) and function keys (A to F) from 16 switches
(16 keys) to D100 and M0 to M5 using HKY instructions. (Hexadecimal values can be captured.)
1. Main unit
Example of program
M8000
HKY
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
24V DC
Fuse
-
+
FX -32MT/D
3UC
FX -32MT-LT
3UC
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
24V DC
Fuse
+
FX -32MT/DSS
3UC
X010 Y010 D100 M0
-32MT/D or FX
3UC
External wiring
Class D
grounding*
COM X010 X011 X012 X013
Transistor output (sink)
COM1 COM1 Y010 Y011 Y012 Y013
-32MT/DSS.
3UC
External wiring
Class D
grounding*
-
COM0 X010 X011 X012 X013
Source input
Transistor output (source)
+V0 +V0 Y010 Y011 Y012 Y013
-32MT-LT.
3UC
C D E F
8 9 A B
4 5 6 7
0 1 2 3
Sink input
C D E F
8 9 A B
4 5 6 7
0 1 2 3
7 Examples of Wiring for Various Uses
7.6 Hexadecimal Input [HKY (FNC 71)]
* The grounding resistance
should be 100Ω or less.
* The grounding resistance
should be 100Ω or less.
1
2
3
4
5
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7
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9
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