Mitsubishi Electric GOT SIMPLE GS2110-WTBD User Manual page 277

(5) Installation status
Actual
status
Figure
A
Corrective
action for
when it is
true
Figure
B
Servo
PLC
Connection cable
FG
CN1A CN1B
CN2 CN3
LG
FG
a
Panel grounding
Servo PLC
Connection cable
FG
CN1A CN1B
CN2 CN3
LG
FG
Panel
Terminal
grounding
block
Grounding for
power system
PLC
Servo
Connection cable
FG
CN1A CN1B
CN2 CN3
LG
FG
Panel grounding
The FG cables of control
equipment (such as a PLC)
and power equipment (such
GOT
as a servo amplifier) are
connected each other as
FG
shown in a.
Panel
grounding
GOT
FG Terminal
Carry out the independent
block
grounding at two points as
shown in Figure A.
Grounding for
Independent grounding will
power system
help minimize noise
interference.
If the independent
grounding is impossible,
carry out the shared
grounding as shown in
Figure B.
GOT
FG
Panel grounding
22.1 GOT Restoration Sheets
True
False
22
Effective
Ineffective
22 - 7