Mitsubishi GT16 User Manual page 115

(2) Shared grounding (Good)
Power equipment
(servo, etc.)
CN1A CN1B
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.

Recommended terminal shape
3.2
6.2mm
or less
3.2
6.2mm
or less
Applicable solderless terminal
Connection cable
FG
LG
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.
Terminal
screw
When wiring one cable to
one terminal
RAV1.25- 3, V2- S3.3, V2- N3A, FV2- N3A
GOT
FG
LG
Panel
grounding
FG GOT
LG
Panel grounding
Terminal
Solderless
screw
terminal
When wiring two cables to
one terminal
7.3 Grounding
1
2
3
4
5
6
Solderless
terminal
7
8
7 - 5