Configuring The Scs Differential Current Parameter - ABB REB500 Communication Protocol Manual

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2.4.2
Communication Protocol Manual, IEC 60870-5-103
Distributed busbar protection REB500
The system continuously performs the above algorithm: It adds up the absolute
difference between the last two measurements (
is greater than the threshold
status update was sent (
sum
As soon as
current
the value. If this value is below the
be sent instead.

Configuring the SCS differential current parameter

The precise conditions for sending differential currents to the SCS can be set by
selecting HMI500 "Settings / Communication / SCS Diff. current parameters".
Figure 6 Settings / Communication / SCS Diff. Current Parameters
Settings in this dialog are made for each busbar section (bus zone) and can be
changed after activating the respective field. The differential current parameters are
as follows:
sum
).
delta
deadband
Section 2
Interbay bus functions
current last
and ) since the last
a new event will be sent with
threshold, the value 0 will
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