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18. TROUBLESHOOTING
18.1 GOT Restoration Sheet
18 - 9
17
MAINTENANCE AND
INSPECTION
18
TROUBLESHOOTING
APPENDICES
(7) Power supply system
Current status
The power from the same system is used
for the GOT, I/O equipment (such as
relay), and power equipment (such as
servo amplifier).
Used
Not Not used
Measure for the
equipment for which
the power from the
same system is used
Connecting an isolation transformer as
well as separating the wiring of the GOT
power from that of the power of the I/O
equipment and power equipment reduces
the influence of noise.
Effective
Ineffective
Main power
A
C200V
PLC power
I/O power
I/O equipment
PLC
GOT
Main circuit power
Power
equipment
Main power
A
C200V
PLC power
I/O power
I/O
equipment
Isolation transformer
PLC
GOT
Main circuit power
Power
equipment