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Section 11
Testing functionality by secondary injection
INPut
LOCTRL1
LOCTRL2
LOCTRL3
Table 43:
OUTPut
Non
TRIP
TRL1
TRL2
TRL3
7.
Connect the trip output to a timer.
8.
Have inputs CR1and CR2 activated. Start the timer from activation of input LOCTR and stop
the timer from TRIP output.
9.
Check the trip time.
If OpMode = 1 Out Of 2:
10.
Activate input and check output signals according to table
Table 44:
INPut
CR1
CHERR1
CR2
CHERR2
LOCTR
LOCTRL1
LOCTRL2
LOCTRL3
Table 45:
OUTPut
Non
TRIP
TRL1
TRL2
TRL3
11.
Connect the trip output to a timer.
12.
Have inputs CR1 and CR2 activated. Start the timer from activation from activation of input
LOCTR and stop the timer from TRIP output.
13.
Check the trip time.
Completing the test
Continue to test another function or end the test by changing the TESTMODE setting to Off. Restore
connections and settings to the original values, if changed for testing purposes.
230
Activate output signals if OpMode = 2 Out Of 2
Activate input signals if OpMode = 1 Out Of 2
Activate output signals if OpMode = 1 Out Of 2
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Line differential protection RED670
1MRK 505 378-UEN Rev. K
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Commissioning manual
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