ABB SA811F After sales service is provided for the control card of the power supply device

Description

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All versions of the Ekip Touch unit measure the RMS value of the currents of
the three phases (L1, L2, L3) and of neutral (Ne) with 1% accuracy in the 0.2 to
1.2 In range (class 1 in accordance with IEC 61557-12). The complete range of
measurement is from 0.03 to 16x In, where In is the value of the rating plug.
The display shows the current of the most loaded phase both in numeric and
analogue format on an ammeter with a 0-125% In scale for rapid identification of
the load of the circuit-breaker.
Alternatively, bar graphs that show the currents of the three phases and of neutral
on a 0-125% In scale in addition to the numeric value of the most loaded phase
can be selected as the default page. The bar graphs are yellow in the event of a
pre-alarm and red in the event of an overload to enable an irregular condition to be
identified immediately.
Where applicable, the measurement of the earth fault current is shown on a
dedicated page. The ammeter can operate both in self-supplied mode and with
auxiliary voltage. In the latter case, the display always has back lighting and the
ammeter is also active at currents below 100A.
Adding the Ekip Measuring or Ekip Measuring Pro module to Ekip Touch enables
Ekip Touch to be used as a multimeter to measure the values of:
– Voltage: phase-phase, phase-neutral (accuracy 0.5%);
– Power: active, reactive, apparent (accuracy 2%);
– Energy: active, reactive, apparent (accuracy 2%);
– Frequency (accuracy 0.2%);
– Power factor by phase and total;
– Peak factor.
Maximum values and values register
The Ekip Touch unit is able to supply the measurement trend of certain parameters
over a settable period of time such as: average power, maximum power,
maximum and minimum current, maximum and minimum voltage. The values of
the last 24 time intervals are recorded in the unit with a relative timestamp and
can be consulted directly from the display or remotely using one of the available
communication protocols. The communication can also be used to synchronize the
recording time interval.
Data logger
Ekip Touch is always supplied with the exclusive Data Logger (register) function that
stores with high sampling frequency the instantaneous values of all the measurements
in two memory buffer registers. The data can be easily downloaded by the Ekip
Connect unit and transferred to any personal computer. This enables the current and
voltage waveforms to be analyzed for rapid fault analysis. The function continuously
stores and stops recording, with a selectable delay, whenever the event set by the
user occurs (e.g. trip or alarm). In this manner, it is possible to analyze the complete
evolution of the fault: from the start to its complete elimination.