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12 Output Wiring Procedures
12.1 External Wiring for Relay Output Type
176
FX3G Series Programmable Controllers
User's Manual - Hardware Edition
12.1.4 Example of external wiring
WIRING PRECAUTIONS
• Do not wire the vacant terminals externally.
Doing so may damage the product.
Output extension block
relay output
Y0
COM1
Y7
Y0
COM2
Y7
Y0
COM5
Y7
Y0
COM1
Y1
Y2
Y3
AC power supply
100 to 240V
PL
Power ON
Emergency
stop
MC
MC
MC MC
DC power
supply
Power supply for load
connected to PLC output
For details on emergency stop
operation, refer to "DESIGN
PRECAUTIONS" at "Safety
Precautions" field.
Load
Load
Load
Load
Input/output powered
extension unit
relay output
Fuse
*1
Fuse
*1
Fuse
*1
Fuse
*1
Fuse
*1
Fuse
*1
Fuse
*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.
" " represents vacant terminals.
Breaker
*2
*2
*2
*2
Main unit
relay output
Y0
COM0
Y10
COM4
Y2
COM2
*2
*2.
*1.