Date Code 990215 Trip and Target Logic 5-15
SEL-351P Manual Técnico
Output contact OUT105 drives a communications equipment transmitter input in a two-terminal
line application (see
Figure SECTION 5: .8).
In a three-terminal line scheme, output contact OUT107 is set the same as OUT105 (see
Figure
SECTION 5: .9):
OUT107 = KEY
EKEY – Echo Key Permissive Trip
Permissive trip signal keyed by Echo logic (used in testing).
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