Mitsubishi GOT1000 GT15 - Page 529

20.1 GOT Restoration Sheet
20 - 9
17
ADDITION TIMES RESET FOR MAINTENANCE TIME NOTIFICATION
18
INSTALLATION OF COREOS, BOOTOS AND STANDARD MONITOR OS
19
MAINTENANCE AND INSPECTION
20
TROUBLESHOOTING
APPENDICESINDEX
(5) Grounding status
Current
status
The FG cables of the control
equipment (such as PLC) and
the power equipment (such as
servo amplifier) are connected
as shown by "a".
Connected
Not
connected
Measure
for the FG
cables
connected
Fig.
A
Perform independent grounding
at two places as shown in Fig. A.
Independent grounding can
reduce the influence of noise.
If independent grounding is not
allowed, be sure to perform
shared grounding as shown in
Fig. B.
Effective
Ineffective
Fig.
B
GOT
FG
LG
Connection cable
Panel grounding
Panel grounding
FG
FG
CN1BCN1A
CN3CN2
LG
a
PLCServo
GOT
FG
LG
Connection cable
Panel grounding
Grounding for
power system
Grounding for
power system
Terminal block
Terminal block
Panel grounding
FG
FG
CN1BCN1A
CN3CN2
LG
PLCServo
GOT
FG
LG
Connection cable
Panel grounding
Panel grounding
FG
FG
CN1BCN1A
CN3CN2
LG
PLCServo