Mitsubishi Electric GOT SIMPLE GS2107-WTBD, User Manual

Page: 275 / 292

22.1 GOT Restoration Sheets
22 - 5
22
TROUBLESHOOTING
■2.
GOT installation status check sheet
Check the actual installation status of the GOT used according to the GOT installation status described in the upper
rows of items (1) to (7).
When the corrective actions described in the lower rows need to be taken, take the actions.
Only when the corrective actions are taken, put a check mark in the check box of "Effective" or "Ineffective" depending
on the results of the actions.
(1) Wiring inside
(2) Outside the panel
Actual status
Power lines such as power supply
cables or servo amplifier drive cables
and communication cables are
crossed each other in the wiring duct
in the control panel.
Crossed
Not crossed
Corrective action
for when the
cables are
crossed each
other Wiring the power lines and the
communication cables to keep them
away from each other in the control
panel will help minimize noise
interference.
Effective
Ineffective
Actual
status Power lines and communication
cables are bundled together. Bundled
Not bundled
Corrective
action for
when they
are bundled
Figur
e
A
Setting outlets of the power lines
and the communication cables
separately, as shown in Figure A,
will help minimize noise
interference. In the duct, keeping
the communication cables away
from the power lines or using a
metal separator, as shown in Figure
B, can reduce noise interference.
Effective
Ineffective
Figur
e
B
NFB
MC MC RA RA
NFB
MC MC RA RA
Power line
Communication cable
Communication cable
Power line
Power
line
Wiring
duct
Separator
Power
line
Signal
line
Communication
cable
100mm or more