Example Of External Wiring - Mitsubishi Electric MELSEC-F FX3G Series User Manual

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

12.1.4 Example of external wiring

AC power supply
100 to 240V
Breaker
Power ON
PL
MC
MC
Emergency
stop
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.
*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.
*2.
" " represents vacant terminals.
WIRING PRECAUTIONS
• Do not wire the vacant terminals externally.
Doing so may damage the product.
MC
12.1 External Wiring for Relay Output Type
Fuse
*1
COM0
Y0
Fuse
*1
COM2
Y2
Fuse
*1
COM4
Y10
*2
Output extension block
Fuse
*1
COM1
Y0
Y7
Load
*2
Fuse
*1
COM2
Y0
Y7
Load
*2
Input/output powered
Fuse
*1
COM1
Y0
Y1
Y2
Y3
Load
*2
Fuse
*1
COM5
Y0
Y7
Load
*2
12 Output Wiring Procedures
Main unit
relay output
relay output
extension unit
relay output
177
11
12
13
14
15
16
17
18
19
20