GE MiCOM P40 Agile Technical Manual page 557

Symbols and Glossary
MiCOM P40 Agile P442, P444
Specific inputs or outputs in this manual:
Internal logic status from the logic of the protection (« the
line is dead » or « the pole is dead »)
User setting, adjustment or selection (IHM or MiCOM
S1)
Command / logical external status linked to an opto input
from the protection, or logical output.
Digital Data Bus (DDB) within the Programmable
Scheme Logic (PSL) corresponding to a command, a
logical external status or a logical output.
P44x/EN SG/ Hb6
(SG) 13-13