Mitsubishi Electronics GOT1000 manual 278

(6) Grounding status of the panel on which the GOT is installed

Connection cable

			GOT	A single ground cable is led from the
Current status	Ground cable led from the			panel having the control equipment	Led
				such as PLC to the panel having the
	panel having the control	FG			Not led
	equipment			GOT.

Connection cable

							GOT
Fig. A
					FG
		Ground cable
	Use a short and						Ground to	Connecting the ground cable to the
	thick wire as						the panel.	panel having the GOT as shown in
	possible.							Fig. A to reduce the potential	Effective
								difference may prevent the
								malfunction.	Ineffective
			Connection					When wiring as shown in Fig. A is
								difficult, perform wiring as shown in
			cable					Fig.B.
						GOT
Fig. B	Ground cable			FG
						Ground to
						the panel.

Measure for the ground cable led

			Connection
			cable
					GOT
Fig. C
					FG
	Ground cable				Ferrite core
					Ground to
	Use a short and
	thick wire as				the panel.	Attaching the ferrite core to the ground
	possible.					cable connected to the panel having
						the GOT as shown in Fig. C reduces	Effective
						the influence of noise.
							Ineffective
						When wiring as shown in Fig. C is
		Connection				difficult, perform wiring as shown in
		cable				Fig. D.
					GOT
Fig. D	Ground cable
				FG
					Ferrite core
				Ground to
				the panel.

18 - 8	18. TROUBLESHOOTING
	18.1 GOT Restoration Sheet