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Presence of Mains (MVC)

The DPS 7000s of the /5x0, /7x0, /8xxX, /Mx0 and /MTx2 series have an "mvc module" which detects the presence of mains current upstream from the customer's DC-AC inverter (U.P.S.). A cut in voltage triggers an alert at the level of the GCOS which is displayed on the system console(s). This alert triggers a proper system shutdown procedure. This procedure is configured in accordance with the autonomy of the batteries of the U.P.S.

Pre-Requisites:

For personal safety reasons, the system console and the MVC should be powered down in case of cut-out by emergency stop. It is up to the customer to ensure that the MVC is slaved to the emergency stop system of the data processing centre.

Power supply to and protection of the MVC module

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