ABB Relion 670 Series Commissioning Manual page 226

Section 11
Testing functionality by secondary injection
11.10.3 Apparatus control APC
The apparatus control function consists of four types of function blocks, which are connected in a
delivery-specific way between bays and to the station level. For that reason, test the total function
in a system, that is, either in a complete delivery system as an acceptance test (FAT/SAT) or as
parts of that system.
11.10.4 Single command, 16 signals SINGLECMD
For the single command function block, it is necessary to configure the output signal to
corresponding binary output of the IED. The operation of the single command function
(SINGLECMD) is then checked from the local HMI by applying the commands with
Steady or Pulse , and by observing the logic statuses of the corresponding binary output.
Command control functions included in the operation of different built-in functions must be
tested at the same time as their corresponding functions.
11.10.5 Interlocking
Prepare the IED for verification of settings as outlined in section
section "Preparing for test"
Values of the logical signals are available on the local HMI under Main menu/Tests/Function
status/Control/Apparatus control/Interlocking. The Signal Monitoring in PCM600 shows the
same signals that are available on the local HMI.
The interlocking function consists of a bay-level part and a station-level part. The interlocking is
delivery specific and is realized by bay-to-bay communication over the station bus. For that
reason, test the function in a system, that is, either in a complete delivery system as an acceptance
test (FAT/SAT) or as parts of that system.
11.11 Scheme communication
11.11.1 Scheme communication logic for distance or overcurrent
protection ZCPSCH (85)
Prepare the IED for verification of settings as outlined in section
section "Preparing for test"
Check the scheme logic during the secondary injection test of the impedance or overcurrent
protection functions.
Activation of the different zones verifies that the CS signal is issued from the intended zones. The
CS signal from the independent tripping zone must have a
220
If a block/unblock command is sent from remote to function, while the IED is shut
down, this command will not be recognized after the start up, thus the command
that was sent prior to the shut down is used. In such cases, where there is a
mismatch, the user is advised to make a complete cycle of block/unblock
operations to align the statuses.
in this chapter.
in this chapter.
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Line distance protection REL670
Commissioning manual
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