Table 39: Activate input signals if OpMode = 2 Out Of 2
INPut
CR1 X X X X X X
CHERR1 X
CR2 X X X X X
CHERR2 X
LOCTR X X X
LOCTRL1 X
LOCTRL2 X
LOCTRL3 X
Table 40: Activate output signals if OpMode = 2 Out Of 2
OUTPut
Non X X
TRIP X X X X X
TRL1 X
TRL2 X
TRL3 X
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 41 and 42.
Table 41: Activate input signals if OpMode = 1 Out Of 2
INPut
CR1 X X X X X
CHERR1 X
CR2 X X X X X X
CHERR2
LOCTR X X X
LOCTRL1 X X
LOCTRL2 X X
LOCTRL3 X X
1MRK 505 378-UEN A Section 11
Testing functionality by secondary injection
Line differential protection RED670 2.2 IEC 251
Commissioning manual