• the full scale parameter is divided equally between "positive" and "negative" (ie if imposed 500 A as
full scale parameter, the scale in bidirectional mode will be ± 250 A).
Features required by Endesa
With firmware and software version starting from 1.10, some features required by customer Endesa
were introduced to fit the operation of RGDAT-A70 with its needs.
In detail:
•
the command of relay TS51A is issued only when, after tripping of thresholds 51, 51N, or 67N.S2,
the condition of "Voltage Absent" is detected within a certain time (TAtt, programmable, default 0.4
s, the timer starts when thresholds drop out).
•
the command of relay TS67AV is issued only when, after tripping of thresholds 67N.S1 or 67N.S2,
the condition of "Voltage Absence" is detected within a certain time (TAtt, programmable, default 0.4
s, the timer starts when thresholds drop out).
•
the return to quiescent status of relays TS51A and TS67AV occurs when "Voltage Presence"
condition is detected and that condition holds for a certain time (TDis, programmable, default 10 s).
•
if there is no return of power within a certain time (TDurata, programmable, default 4 hours), relays
TS51A and TS67AV return to quiescent status anyway.
•
LEDs 51 and 67 follow the state of respective relay.
•
event logging also records the issuance of commands to relays TS51A and TS67AV, in addiction to
tripping of various thresholds.
This function is disabled in default configuration.
P515D851 Rev. E November 2019 Pag. 12 of 45
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