the Main menu/Test/Function status/Function group/Function block descriptive name/LN
name/Outputs.
• When the
Beh
of a function block is set to
Test
, the function block is not blocked and all
control commands with a test bit are accepted.
• When the
Beh
of a function block is set to
Test/blocked
, all control commands with a test
bit are accepted. Outputs to the process via a non-IEC 61850 link data are blocked by the
function block. Only process-related outputs on function blocks related to primary
equipment are blocked. If there is an XCBR function block used, the outputs
EXC_Open
and
EXC_Close
are blocked.
• When the
Beh
of a function block is set to
Blocked
, all control commands with a test bit
are accepted. Outputs to the process via a non-IEC 61850 link data are blocked by the
function block. In addition, the function block can be blocked when their
Beh
is
blocked
.
This can be done if the function block has a block input.
The block status of a component is shown on the LHMI as the
Blk
output under the same path
as for
Beh:
Main menu/Test/Function status/Function group/Function block descriptive
name/LN name/Outputs. If the
Blk
output is not shown, the component cannot be blocked.
20.12.2 Setting guidelines
M15260-3 v7
Remember always that there are two possible ways to place the IED in the
TestMode
=
On
”
state. If, the IED is set to normal operation (
TestMode
=
Off
), but the functions are still shown
being in the test mode, the input signal IED_TEST on the TESTMODE function block is
activated in the configuration.
Forcing of binary input and output signals is only possible when the IED is in IED test mode.
20.13 Time synchronization TIMESYNCHGEN
IP1750-1 v2
20.13.1 Application
M11345-3 v11
Use time synchronization to achieve a common time base for the IEDs in a protection and
control system. This makes it possible to compare events and disturbance data between all
IEDs in the system. If a global common source (i.e. GPS) is used in different substations for the
time synchronization, also comparisons and analysis between recordings made at different
locations can be easily performed and a more accurate view of the actual sequence of events
can be obtained.
Time-tagging of internal events and disturbances are an excellent help when evaluating faults.
Without time synchronization, only the events within one IED can be compared with each
other. With time synchronization, events and disturbances within the whole network, can be
compared and evaluated.
In the IED, the internal time can be synchronized from the following sources:
• BIN (Binary Minute Pulse)
• DNP
• GPS
• IEC103
• SNTP
• IRIG-B
• SPA
• LON
• PPS
• IEEE 1588 (PTP)
1MRK 505 370-UEN D Section 20
Basic IED functions
Busbar protection REB670 443
Application manual
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