Grouding; Grounding The Got - Mitsubishi GOT1000 GT15 User Manual

7.3 Grouding

7.3.1

Grounding the GOT

1 About grounding
Perform the following three items for grounding.
• Independent grounding should be performed as possible for the GOT.
Perform grounding works. (grounding resistance 100
• When independent grounding cannot be performed for the GOT, perform "(2) Shared grounding"
shown below.
GOT
Grounding
(1) Independent ground
...... Best condition
• Use a cable of 2mm
Ground the cable at a point as close to the GOT as possible to make the ground cable short.
2 Grounding examples
(1) Independent grounding (Best)
Power equipment
(servo, etc.)
* For the control equipment, ground the system at one end.
Especially for the control equipments communicating each other, ground the system at one end.
7
7.3 Grouding
- 6
7.3.1 Grounding the GOT
Other
device
2
or more for grounding when performing (1) or (2) above.
PLC
FG
CN1A CN1B
LG
CN2 CN3
FG
Ground
Panel
terminal
grounding
block
Grounding for
power system
or less)
Other
GOT
device
Grounding
(2) Shared grounding
...... Good condition
Connection cable
FG
LG
Ground terminal block
Grounding for
control system
Other
GOT
device
(3) Common grounding
...... Not allowed
GOT