Filter
Top Products
18 - 8
18. TROUBLESHOOTING
18.1 GOT Restoration Sheet
(6) Grounding status of the panel on which the GOT is installed
Current status
A single ground cable is led from the
panel having the control equipment
such as PLC to the panel having the
GOT.
Led
Not led
Measure for the
ground cable
led
Fig. A
Connecting the ground cable to the
panel having the GOT as shown in
Fig. A to reduce the potential
difference may prevent the
malfunction.
When wiring as shown in Fig. A is
difficult, perform wiring as shown in
Fig.B.
Effective
Ineffective
Fig. B
Fig. C
Attaching the ferrite core to the ground
cable connected to the panel having
the GOT as shown in Fig. C reduces
the influence of noise.
When wiring as shown in Fig. C is
difficult, perform wiring as shown in
Fig. D.
Effective
Ineffective
Fig. D
Connection
cable
GOT
FG
Ground cable led from the
panel having the control
equipment
GOT
Ground to
the panel.
Ground cable
Use a short and
thick wire as
possible.
FG
Connection
cable
GOT
Ground to
the panel.
Ground cable
FG
Connection
cable
GOT
Ground to
the panel.
Ferrite core
Ground cable
FG
Connection
cable
Use a short and
thick wire as
possible.
GOT
Ground to
the panel.
Ground cable
FG
Connection
cable
Ferrite core