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P72x/EN TD/A11
Technical Data
Page 12/18
MiCOM P721/P723
10.
AUTOMATION CONTROL FUNCTIONS
10.1 Trip
commands
Assignation of the following thresholds to trip output relay:
−
all models: [87N] tDiff, t Aux 1, t Aux 2, Control Trip, tEqu.A, tEqu.B, tEqu.C, tEqu.D,
tEqu.E, tEqu.F, tEqu.G, tEqu.H,
−
P723 additional functions: [87] tDiff, t Aux 3 and t Aux 4
10.2 Latch
functions
Trip output relay programmable with one or many thresholds:
−
all models: [87N] tDiff, t Aux 1, t Aux 2, Control Trip, tEqu.A, tEqu.B, tEqu.C, tEqu.D,
tEqu.E, tEqu.F, tEqu.G, tEqu.H.
−
P723 additional functions: [87] tDiff, t Aux 3, t Aux 4.
10.3 Blocking
logic
Possibility to block the following delayed thresholds:
−
all models: [87N] tDiff, t Aux 1, t Aux 2,
−
P723 additional functions: [87] tDiff, t Aux 3 and t Aux 4.
10.4
Output relays
Alarm and trip threshold assignation to a logic output: 3 relays (P721) and 7 relays (P723).
Assignable functions:
−
all models: [87N] Diff, [87N] tDiff, [95N] Sup, [95N] tSup, Buswire Short, CB Fail, t Aux
1, t Aux 2, Active group, Control trip, Input1 , Input2, tEqu. A , tEqu. B, tEqu. C, tEqu
D, tEqu E, tEqu. F , tEqu. G, tEqu. H.
−
P723 additional functions: [87] Diff, [87] tDiff, [87CZ] ChkZone, [95] Sup, [95] tSup,
[95A] tSup A, [95B] tSup B, [95C] tSup C, t Aux 3, t Aux 4, Input3, Input4, Input5
10.5
Latch of the auxiliary output relays
Possibility to latch output relays:
−
P721: Output 2 to 4,
−
P723: Output 2 to 8.
10.6 Inputs
10.6.1 Inputs
assignation
Single function or multiple automation functions assignable to 4 logic inputs:
−
all models: Unlatch, Aux 1, Aux 2, Blocking Logic 1, Blocking Logic 2, Start Disturb,
Change setting, Reset Leds, Maint. Mode, Local Mode, Synchro
−
P723 additional functions: Aux 3, Aux 4, [87CZ] Chk Zone
10.6.2 Auxiliary
timers
Setting range
Auxiliary timers
Min
Max
Step
Aux1 time tAux1
0
200s
10ms
Aux2 time tAux2
0
200s
10ms
Aux3 time tAux3
0
200s
10ms
Aux4 time tAux4
0
200s
10ms
Содержание P721
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