Mitsubishi FX3UC SERIES User Manual page 151

FX Series Programmable Controllers
3UC
User's Manual - Hardware Edition
2.
Examples of sink input wiring (Common to both sink and source input types)
FX -32MT/DSS
3UC
DC/DC
converter
DC
DC
Photocoupler
5V 24V
FX extension block
2NC
(Common to both sink
and source input types)
Photocoupler
FX -1PS-5V
3UC
DC/DC
converter
DC
DC
5V 24V
FX extension block
2N
(Common to both sink
and source input types)
Photocoupler
WIRING PRECAUTIONS
• Before cleaning or retightening terminals cut off all phases of the power supply externally.
Failure to do so may cause electric shock.
Power
connector
+
-
*
COM0
X000
Input
terminal
X001
Input
impedance
COM
X 0
X 1
Input
terminal
+
-
Power
connector
S/S
Input
terminal
X 0
X 1
5 Input Specifications and External wiring
* Class D grounding
The grounding resistance should be
100Ω or less.
Fuse
Handle the power supply
circuit correctly in
accordance with Chapter
24V DC
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.)
Two-wire
proximity
sensor
5.2 24V DC Input Type
10
145
1
2
3
4
5
6
7
8
9