socomec ATys C20 - Page 19

Programming
Controller ATyS
OPERATION
51
SOCOMEC - Réf.: 532 214 C
> Frequency Menu
Threshold detection starts from the loss of source
or source return sequence.
LCD Denomination/ Definition Setting Default
range values
t100
%
Available source
Controlled value (frequency)
Over frequency threshold (oU)
Under frequency threshold (uU)
Over frequency hysteresys
threshold (oUh)
Under frequency hysteresys
threshold (uUh)
ATYS 286 A GB
Network 1 over frequency threshold From 101
to 120%
105%
Network 1 over frequency threshold hysteresis From 100.5
to 119.5% (< oF)
103%
Network 1 under frequency threshold From 80
to 99%
95%
Network 1 under frequency threshold hysteresis From 80.5
to 99.5% (> uF)
97%
Network 2 over frequency threshold From 101
to 120%
105%
Network 2 over frequency threshold hysteresis From 100.5
to 119.5% (< oF)
103%
Network 2 under frequency threshold From 80
to 99%
95%
Network 2 under frequency threshold hysteresis From 80.5
to 99.5% (> uF)
97%
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
Values definition: % of nominal values
Hysteresis values range is limited by thresholds values.