Mitsubishi FX3G Series - Example of External Wiring

12 Output Wiring Procedures
12.3 External Wiring for Triac (SSR) Output Type
152
FX3G Series Programmable Controllers
User's Manual - Hardware Edition
12.3.3 Example of external wiring
WIRING PRECAUTIONS
• Do not wire the vacant terminals externally.
Doing so may damage the product.
Y0
COM1
Y7
For the transistor output (sink)
wiring of the main unit, refer to
Subsection 12.2.4 "Transistor
Output".
Y0
COM1
Y3
PL
Power ON
Emergency
stop
MC
MC
MC MC
Power supply for load
connected to PLC output
For details on emergency stop
operation, refer to "DESIGN
PRECAUTIONS" at "Safety
Precautions" field.
Load
Load
Fuse
*1
Output extension block
triac output
Input/output powered
extension unit
triac output
AC power supply
100 to 240V
Breaker
*2
*2
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.
" " represents vacant terminals.
Main unit
transistor output (sink)
Y0
COM0
Y10
COM4
Y2
COM2
*2
Fuse
*1
*1.
*2.