7.3 Grouding
7.3.1 Grounding the GOT
7
- 7
1
OV
E
R
VI
EW
2
SYSTE
M
CO
N
F
IG
UR
A
T
IO
N
3
S
P
E
CI
F
ICA
T
ION
S
4
P
A
R
T
NA
ME
AND
SETTING
S
5
EMC AND
LO
W
VO
LT
AG
E
DIRE
CT
IVE
6
INS
TAL
L
A
TI
ON
7
WIRING
8
OP
TIO
N
(2) Shared grounding (Good)
*
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.
GOT
CN1A CN1B
CN2 CN3
FG
LG
Connection cable
Panel
grounding
Panel
grounding
Use a short and thick cable as much as possible.
FG
FG
LG
Power equipment
(servo, etc.)
PLC
GOT
FG
LG
Connection cable
Panel grounding
Panel grounding
FG
FG
CN1B
CN1A
CN3
CN2
LG
Power equipment
(servo, etc.)
The power equipment and
control equipment are
connected with a wire.
