Example Of External Wiring; Product - Mitsubishi FX3U SERIES User Manual

FX Series Programmable Controllers
3U
User's Manual - Hardware Edition

12.4.3 Example of external wiring

AC power supply
100 to 240V
Power ON
PL
MC
MC
Power supply for load
connected to PLC output
For details on emergency
stop operation, refer to
"DESIGN PRECAUTIONS"
at "Safety Precautions" field.
* The output circuit of this PLC does not
have a built-in fuse.
Provide a fuse suitable to each load to
prevent blowout of the wires on the circuit
board caused by output element fracture
due to load short-circuiting.
WIRING PRECAUTIONS
• Do not wire vacant terminals externally.
Doing so may damage the product.
222
For the relay output wiring of
t h e m a i n u n i t , r e f e r t o
Subsection 12.2.5 "Relay
MC
Output."
Emergency
stop
MC
12 Output Wiring Procedures
12.4 External Wiring for Triac (SSR) Output Type
COM1
Y0
Y3
(Vacant terminal)
COM2
Y4
Y7
(Vacant terminal)
Output extension block
Fuse*
COM1
Y0
U
Y7
Load
U
Input/output powered extension unit
Fuse*
COM1
Y0
U
Y3
Load
U
Output extension block
Fuse*
COM1
Y0
U
Y7
Load
U
Main unit
relay output
triac output
triac output
triac output