Output-Circuit Metering; General Metering; Alarms - MGE UPS Systems 250A Installation And User Manual

Power management module
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3.3 Metering

Output-circuit metering

Ph-A
BCM

General metering

GENE
MCM
KVA: apparent power drawn by the PMM module in kVA.
PF: average power factor on the three phases of the PMM module.
V-LL: average phase-to-phase voltage on the three phases of the PMM module in volts.
V-LN: average phase-to-neutral voltage on the three phases of the PMM module in volts.
AMPS: average current on the three phases of the PMM module in amperes.
FREQ: frequency of the voltage supplied by the PMM module in Hertz.
KW-A, KW-B, KW-C: active power drawn by phases A, B and C of the PMM module in kW.
PF-A, PF-B, PF-C: power factor on phases A, B and C of the PMM module.
V-AB, V-BC, V-AC: phase-to-phase voltages supplied by the PMM module in volts.
V-AN, V-BN, V-CN: phase-to-neutral voltages supplied by the PMM module in volts.
AMPA, AMPB, AMPC, AMPN: current on the three phases A, B, C and on the neutral of the PMM module in amperes.
MIN: minimum power (stored in memory) supplied by the PMM module in kW since the last reset.
MAX: maximum power (stored in memory) supplied by the PMM module in kW since the last reset.
The minimum, maximum and average power values are reset via the communication function.
The
SELECT
rotation). The display flashes and the measurement is not updated.

3.4 Alarms

Access alarm mode by pressing simultaneously the
This mode displays the list of stored major and minor faults that have occurred in the PMM or on the output circuits.
When an alarm is present in the memory, LED 17 goes on:
yellow for fault that does not hinder normal operation;
red for a fault requiring intervention.
Ph-B
ALARM: indicates that the current on the indicated circuit is higher than 80% of the maximum value.
OVER VOLTAGE: the voltage supplied by the PMM exceeds the permissible range by over 10%.
OVER CURRENT: there is an overload on the PMM.
AUX INPUT ALARM: this alarm signals either:
excessive temperature rise in the isolation transformer,
or activation of the remote shutdown button.
These alarms are stored in memory:
Press the
Press the
The display automatically returns to metering mode if buttons 19 to 22 are not used for ten seconds.
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CH01
0.000
CH02
0.000
KWH 0000.0
KW
0000.0
button may be used to hold the display of a measurement if the module is set up for autoscrolling (parameter
CH25
WARNING
SELECT
button to clear the displayed alarm.
button to return to metering mode.
METER
Ph-A: measurements on phase A
CH-01: measurements on output circuit 01
Display of the current drawn by the output circuit in amperes
GENE: general measurements.
Measurement units:
KWH: total energy consumed by the PMM module in kWh.
This value can be reset via the communication function.
KW: total active power drawn by the PMM module in kW.
KVAR: reactive power drawn by the PMM module in kVAR.
+
buttons.
SELECT
METER
Ph-B: alarm on phase B.
CH-25: alarm on output circuit 25.
Alarm text:
WARNING: indicates that the current on the indicated circuit (number
25, phase B) is between 60 and 80% of the maximum value.
3. Operation
- Page 17
34020201EN/AB

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