socomec ATyS C20 Mode D'emploi page 49

5.2. Programming (cont.)
5.2.5. Frequency Menu
Threshold detection starts from the loss of source or source return sequence.
%
Controlled value (frequency)
100
LCD Denomination / definition
1
Network over frequency threshold.
1 2
1
Network over frequency threshold hysteresis.
1 2
1
Network under frequency threshold.
1 2
1
Network under frequency threshold hysteresis.
1 2
2
Network over frequency threshold.
1 2
2
Network over frequency threshold hysteresis.
1 2
2
Network under frequency threshold.
1 2
2
Network under frequency threshold hysteresis.
1 2
Values definition: % of nominal values.
Hysteresis values range is limited by thresholds values.
1 2
5. OPERATION
Over frequency threshold (oF)
Over frequency hysteresys
threshold (oFh)
Available source
t
Under frequency hysteresys
threshold (uFh)
Under frequency threshold (uF)
Setting range Default
values
From 101 to 120 % 105 %
From 100,5 to 119,5 % 103 %
(< oF)
From 80 to 99 % 95 %
From 80,5 to 99,5 % 97 %
(> uF)
From 101 to 120 % 105 %
From 100,5 to 119,5 % 103 %
(< oF)
From 80 to 99 % 95 %
From 80,5 to 99,5 % 97 %
(> uF)
ATyS C20 / C30 - Ref. : 532 214 F 49