ABB REC670 Product Manual page 15

ABB
Bay control REC670
Pre-configured
Product version: 1.1
Alarm limits can be set and used as triggers,
e.g. to generate trip or alarm signals.
The function requires that the IED is
equipped with the mA input module.
Event counter CNTGGIO
Event counter (CNTGGIO) has six counters
which are used for storing the number of
times each counter input has been activated.
Disturbance report DRPRDRE
Complete and reliable information about
disturbances in the primary and/or in the
secondary system together with continuous
event-logging is accomplished by the
disturbance report functionality.
Disturbance report DRPRDRE, always
included in the IED, acquires sampled data of
all selected analog input and binary signals
connected to the function block that is,
maximum 40 analog and 96 binary signals.
Disturbance report functionality is a common
name for several functions:
• Event list
• Indications
• Event recorder
• Trip value recorder
• Disturbance recorder
• Fault locator
Disturbance report function is characterized
by great flexibility regarding configuration,
starting conditions, recording times and large
storage capacity.
A disturbance is defined as an activation of
an input in the AxRADR or BxRBDR function
blocks, which is set to trigger the disturbance
recorder. All signals from start of pre-fault
time to the end of post-fault time will be
included in the recording.
Every disturbance report recording is saved
in the IED in the standard Comtrade format.
The same applies to all events, which are
continuously saved in a ring-buffer. The local
HMI is used to get information about the
recordings, but the disturbance report files
1MRK 511 192-BEN B
may be uploaded to PCM600 and further
analysis using the disturbance handling tool.
Event list DRPRDRE
Continuous event-logging is useful for
monitoring of the system from an overview
perspective and is a complement to specific
disturbance recorder functions.
The event list logs all binary input signals
connected to the Disturbance report function.
The list may contain of up to 1000 time-
tagged events stored in a ring-buffer.
Indications DRPRDRE
To get fast, condensed and reliable
information about disturbances in the
primary and/or in the secondary system it is
important to know, for example binary
signals that have changed status during a
disturbance. This information is used in the
short perspective to get information via the
local HMI in a straightforward way.
There are three LEDs on the local HMI
(green, yellow and red), which will display
status information about the IED and the
Disturbance report function (trigged).
The Indication list function shows all selected
binary input signals connected to the
Disturbance report function that have
changed status during a disturbance.
Event recorder DRPRDRE
Quick, complete and reliable information
about disturbances in the primary and/or in
the secondary system is vital, for example,
time tagged events logged during
disturbances. This information is used for
different purposes in the short term (for
example corrective actions) and in the long
term (for example Functional Analysis).
The event recorder logs all selected binary
input signals connected to the Disturbance
report function. Each recording can contain
up to 150 time-tagged events.
The event recorder information is available
for the disturbances locally in the IED.
Issued: June 2010
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