Mitsubishi FX3UC SERIES User Manual page 198

FX Series Programmable Controllers
3UC
User's Manual - Hardware Edition
2. PNP open collector transistor output three-wire sensor
In case of the FX
COM0
X000
PLC
7.4 Digital Switch [DSW (FNC 72)/BIN (FNC 19)]
7.4.1 When DSW instructions are used
Examples of wiring for capturing values from a 4-digit digital switch to the data register D100 are given below.
1. Main unit
Example of program
M8000
DSW
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
Fuse
Class D
grounding*
192
- MT/DSS [Source input wiring]
3UC
Fuse
+
-
Class D
grounding*
1.5
kΩ
* The grounding resistance should be 100Ω or less.
X010 Y010 D100 K1
-32MT/D or FX
3UC
Digital
24V DC
switch of
BCD
0.1A 50V
diode is
necessary.
-
+
COM1
7.4 Digital Switch [DSW (FNC 72)/BIN (FNC 19)]
24V DC
Three-wire
sensor
-32MT-LT.
3UC
0
10 10
1 2 4 8
COM X010 X011 X012 X013
Sink input
Transistor output (sink)
COM1 Y010 Y011 Y012 Y013
0 1 2
10 10 10 10
* The grounding resistance should be 100Ω or less.
7 Examples of Wiring for Various Uses
1 2
10
X014 X015 X016 X017
FX -32MT/D
3UC
FX -32MT-LT
3UC
3
3
10