Mitsubishi Electric GT1695M-XTBD User Manual page 74

(2) Shared grounding (Good)
Power equipment
(servo, etc.)
* 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)
* 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.
6
6.3 Grounding
- 6
6.3.1 Grounding the GOT
FG
CN1A CN1B
LG
CN2 CN3
FG
Panel
grounding
Use a short and thick cable as much as possible.
Power equipment
(servo, etc.)
CN1A CN1B
FG
LG
CN2 CN3
FG
The power equipment and
control equipment are
connected with a wire.
Panel grounding
Connection cable
FG
LG
Panel
grounding
Connection cable
FG
LG
Panel grounding
GOT
GOT