Mitsubishi GOT1000 GT15 User Manual page 529

(5) Grounding status
Servo
CN1A CN1B
Current
CN2 CN3
status FG
Panel grounding
Servo
CN1A CN1B
FG
LG
CN2 CN3
FG
Fig.
A
Terminal block
Panel grounding
Measure
Grounding for
for the FG
power system
cables
connected
Servo
CN1A CN1B
Fig.
CN2 CN3
B FG
Panel grounding
PLC
Connection cable
FG
LG
GOT
FG
a
LG
Panel grounding
PLC
Connection cable
GOT
FG
LG
Terminal block
Panel grounding
Grounding for
power system
PLC
Connection cable
FG
LG
FG
LG
Panel grounding
The FG cables of the control
equipment (such as PLC) and
the power equipment (such as
servo amplifier) are connected
as shown by "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.
GOT
20.1 GOT Restoration Sheet
17
Connected
Not
connected 18
19
Effective
Ineffective
20
20
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