HIMA I/O Module H4116 System Components

HIMA I/O Module H4116 System Components

H4116 Please regard the requirements of the SELV EN 60950 or PELV EN60904.To improve the electromagnetic compatibility an instrument earth is provided. The instrument earth is designed within the cabinat in such a way that it fulfils the requirements of a protection earth.All H41q/H51q systems can be H4116 operated with earthed L- or not earthed.With several undetected earth faults faulty control signals may beleased. H4116 To prevent this, with floating operation in any case an earth fault monitoring system must be provided (ref. also to VDE 0116).An earth fault can only be located by switching off a partial function (separation of lines). If both poles are feed to supply an output circuit an earth fault can be detected.

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