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12 Output Wiring Procedures
112
FX3S Series Programmable Controllers
User's Manual - Hardware Edition
12.1 External Wiring for Relay Output Type
12.1.4 Example of external wiring
*1. 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.
Example) 1 output point/common terminal: 1 A to 2 A
4 output points/common terminal: 5 A to 10 A
*2. "•" represents vacant terminals.
WIRING PRECAUTIONS
• Do not wire the vacant terminals externally.
Doing so may damage the product.
100 to 240 V AC
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.
Breaker
Fuse
*1
Main unit
relay output
Y000
COM0
Y001
Y002
COM2
Y004
COM1
Y003
*2
Y005
•
Load
Fuse
*1
Load