Mitsubishi FX3UC SERIES User Manual page 154

FX Series Programmable Controllers
3UC
User's Manual - Hardware Edition
5.3.3 Example of external wiring
Use shielded wires for wiring the 5V DC.
FX -32MT/D
3UC
DC/DC
converter
DC
DC
5V 24V
FX extension block
2NC
(Dedicated to sink
input types only)
Photocoupler
FX
Photocoupler
FX -16EXL-C
2N
WIRING PRECAUTIONS
• Before cleaning or retightening terminals cut off all phases of the power supply externally.
Failure to do so may cause electric shock.
148
+
-
Photo-
COM
coupler
X000
X001
Input
impedance
Power
connector
+
-
COM
4.3(kΩ)
X 0
X 1
X 2
X 3
Input
terminal
-CNV-IF
2NC
5+
X000
2.2kΩ
Input impedance
X001
2.2kΩ
Input impedance
X007
Power
connector
Fuse
24V DC
*
Input
terminal
Two-wire
proximity
sensor
External unit
*
5 Input Specifications and External wiring
5.3 5V Input [FX2N-16EXL-C]
* Class D grounding
The grounding resistance should be
100Ω or less.
Handle the power supply
circuit correctly in
accordance with Chapter
4 "Power supply
specifications and
external wiring."
Three-
wire
sensor
For an input device having a
parallel resistance or a
two-wire proximity switch, a
bleeder resistance may be
required.
(Refer to Subsection 5.2.4.)
5V DC
TTL