Ordinal English Text Source Type Response Function
Description
This DDB signal indicates that all poles are dead
382 Pole Dead A Software PSL Input No response
This DDB signal indicates that the A-phase pole is dead.
383 Pole Dead B Software PSL Input No response
This DDB signal indicates that the B-phase pole is dead.
384 Pole Dead C Software PSL Input No response
This DDB signal indicates that the C-phase pole is dead.
499 External Trip A Programmable Scheme Logic PSL Output No response
This DDB signal is connected to an external A-Phase trip, which initiates a CB Fail condition
500 External Trip B Programmable Scheme Logic PSL Output No response
This DDB signal is connected to an external B-Phase trip, which initiates a CB Fail condition
501 External Trip C Programmable Scheme Logic PSL Output No response
This DDB signal is connected to an external C-Phase Trip, which initiates a CB Fail condition
502 External Trip EF Programmable Scheme Logic PSL Output No response
This DDB signal is connected to an external Earth Fault trip, which initiates a CB Fail condition
503 External TripSEF Programmable Scheme Logic PSL Output No response
This DDB signal is connected to an external Sensitive Earth Fault trip, which initiates a CB Fail condition
536 Trip Command In Programmable Scheme Logic PSL Output Protection event
This DDB signal is the Trip Command In signal, which triggers the fixed trip LED and is mapped to the Trip Command Out signal in the FSL.
MiCOM P747 Chapter 5 - Protection Functions
P747-TM-EN-1 115
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