Mitsubishi FX3UC SERIES User Manual page 138

FX Series Programmable Controllers
3UC
User's Manual - Hardware Edition
4.2 Example External Wiring
1. Example External Wiring
A 24V DC power is supplied to the main unit of the FX
A dedicated connector is used for the power supply.
• Example of the FX
Special adaptor
(Alalog)
FX - MT/D
3
UC
FX -32MT-LT
3
UC
FX EX,
2NC
FX 16EX-T
2NC-
or
FX /FX
2NC 3UC
Special function
block
FX EX,
2NC
FX -16EX-T
2NC
or
FX FX
2NC/ 3UC
Special function
block
Extension
power supply unit
FX -1PS-5V
3UC
FX Output
2NC
extension block
FX -CNV-IF
2NC
or
FX -1PS-5V
3UC
FX /FX Input
0N 2N
extension block
132
- MT/D, FX
3UC 3UC
*4
+
-
Class D
*1
grounding
*4
+
-
Power
connector
*4
+
-
Power
crossover
+
connector
-
*2
*4
+
-
+
-
*2
*4
+
-
*3
*4
+
-
24+
4 Power Supply Specifications and External wiring
PLC.
3UC
-32MT-LT
24V DC
Circuit Protector
Power supply ON
PL
MC
MC
Emergency
stop
Fuse
MC
24V DC
-
Power supply for loads to
be connected to PLC
output terminals
As for the details of emergency stop operation, see "DESIGN
PRECAUTIONS" at "Safety Precautions" field.
4.2 Example External Wiring
→ For wiring, refer to Section 3.9.
*1 The grounding resistance should
be 100Ω or less.
*2 terminal is only for the FX
/FX special function block.
3UC
*3 The power supply input is only for the
FX -1PS-5V.
3UC
*4 The same power source for the
main unit, extention power supply
unit and special function unit/block is
preferable.
When using the different power
source from the main unit, turn ON
the perepheral devices' power
simaltaneously, or earlier than the
main unit's. When turning OFF the
power, confirm the safety of the
system, and then turn OFF the
power of the PLC (including special
extension equipment) at the same
time.
MC
24V DC
+
2NC