1MRK 500 124-UEN Section 3
HMI500
Operation Manual 25
Distributed busbar protection REB500
3.5.6 Protection zone circuit-breakers
The detailed view shows all the circuit-breakers belonging to the respective
protection zone.
Figure 15 Protection zone circuit-breakers, detailed view
These circuit-breakers are intertripped, for example, in the event of a busbar fault
in the respective protection zone.
3.5.7 Disturbance recorder
A disturbance recorder is integrated in every bay unit and in the central unit of the
system. In the bay units, it records the current measurements, the voltage
measurements and up to 32 binary input and output signals. In the central unit, it
records the differential and restraint currents of every buszone and up to 64 binary
output signals. Up to 40 recording periods are supported (depending on the selected
sample rate and recording time).
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