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(2) Shared grounding (Good)
Power equipment
(servo, etc.)
FG
CN1A CN1B
LG
CN2 CN3
FG
Panel
grounding
*
Ground the system at one end.
To prevent noise from entering the GOT, use a short and thick wire for grounding between the ground and the
panel to ensure lower ground resistance.
(3) Common grounding (Not allowed)
Power equipment
(servo, etc.)
CN1A
CN1B
CN2
CN3
FG
Panel grounding
*
Do not connect the ground cables of the power equipment and control equipment with a wire.
If the cables are connected, noise from the power equipment may influence the control equipment, causing
malfunction.
PLC
Connection cable
Use a short and thick cable as much as possible.
Connection cable
FG
LG
The power equipment and
control equipment are
connected with a wire.
GOT
FG
LG
Panel
grounding
FG
GOT
LG
Panel grounding
7.3 Grouding
7.3.1 Grounding the GOT
1
2
3
4
5
6
7
8
7
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Table of Contents
Troubleshooting
