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6. ACCEPTANCE TESTS
32 DBF Breaker Failure Protection GEK-106168E
6.8. INPUTS
6.8.1 DIGITAL INPUTS
Log into the relay using the GE_LOCAL software and press INPUTS / OUTPUTS button on the first general
screen.
• Check that applying dc rated voltage between terminals:
C9 and D10 (CC1)
D9 and D10 (CC2)
C10 and D10 (CC3)
C11 and D12 (CC4)
D11 and D12 (CC5)
C12 and D12 (CC6)
their corresponding status windows turn red while the applied voltage remains present.
If the relay has the optional expansion board, check the same for the following contact converter inputs:
E7 and E8 (CC7)
F7 and E8 (CC8)
E9 and F8 (CC9)
F9 and F8 (CC10)
E10 and E11 (CC11)
F10 and E11 (CC12)
E12 and F11 (CC13)
F12 and F11 (CC14)
6.8.2 IRIG-B SYNCHRONIZING INPUT
Connect the output of an IRIG-B unit with decoded output to the IRIG-B input at the rear of the DBF. Special care
must be taken when making the connection because the input is polarized.
Check that the time measured by the two units is the same.