FX3U Series Programmable Controllers
User’s Manual - Hardware Edition
226
13 Examples of Wiring for Various Uses
13.2 Digital Switch [DSW Instructions (FNC72)/BIN Instructions (FNC19)]
2. Main unit + input/output powered extension unit/block
Example of program
Examples of wiring
M8000
X010 Y050 D100 K1DSW
When the main unit and a transistor output (source) type input/output powered extension unit/block are used
In the case of source wiring
1248
10
3
10
2
10
1
10
0
0.1A 50V
diode is
necessary.
Digital
switch of
BCD
X010 X011 X012 X01324V0VS/S
Y050 Y051 Y052 Y053
Transistor output (source)
0VS/S
+V0
Main unit
X
*1
10
3
10
2
10
1
10
0
24V
*2
*1 To use the input terminal (X) of the input/output powered extension unit, wire the terminal as shown by the dotted line.
*2 The terminals in the shaded areas are provided on input/output powered extension units (ex.: FX
2N
-32ET-ESS/UL).
Output extension blocks do not have the terminals.
Input/output powered extension unit
Output extension block
In the case of sink wiring
When the main unit and a transistor output (sink) type input/output powered extension unit/block are used
*1
To use the input terminal (X) of the input/output powered extension unit, wire the terminal as shown by the dotted line.
*2 The terminals in the shaded areas are provided on input/output powered extension units (ex.: FX
2N
-32ET).
Output extension blocks do not have the terminals.
1248
10
3
10
2
10
1
10
0
0.1A 50V
diode is
necessary.
Digital
switch of
BCD
X010 X011 X012 X01324V0VS/S
Y050 Y051 Y052 Y053
Transistor output (sink)
24+COM
COM1
Input/output powered extension unit
Output extension block
Main unit
X
*1
10
3
10
2
10
1
10
0
*2