MGE UPS Systems 250A ユーザーズマニュアル

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34020201EN/AB

Major alarm signalling that the current in the output circuit considered is higher than 80%
of its rated value.

Alarm indicating either:

◗

 excessive temperature rise in the isolation transformer,

◗

 actuation of the remote shutdown function.

Scroll button used to access previous measurement (metering mode) or setting (setup
mode).

Optional transformer used to provide galvanic isolation between the distribution system
and the output circuits, to block reinjection of third-order harmonics upstream or to create
a neutral if the distribution system does not have one.

Function button for access to the next measurements (metering mode) or to return to
MONITORING mode (alarm or setup mode).

Single-phase circuit (phase, neutral and earth) exiting the PMM module, protected by a
single standard circuit breaker (PMM module with 126 output circuits) or by a circuit
breaker with earth-leakage protection (PMM module with 60 output circuits).

Alarm indicating an overload on the PMM module.

Alarm indicating that the voltage of the distribution system is too high.

Power Management Module (the device in question).

Serial communication standard using a SUB-D 9-pin connector.

Serial communication standard available via a screw-terminal block.

Function button used to obtain a fixed display if autoscroll (parameter rotation) is
activated, clear an alarm (alarm mode) or access the next parameter to be set (setup
mode).

Scroll button used to access next measurement (metering mode) or setting (setup
mode).

Minor alarm signalling that the current in the output circuit considered is between 60 and
80% of its rated value.