socomec ATyS C40 Notice D'utilisation page 63

Automatic sequences
• Diagram 2:
source loss without reappearance before SSt state changeover
Complete genset loss
sst
Input
Start/stop order
Sensing
Start/stop order
Sensing
Position G1
Position O
Position G2
• Diagram 3:
source loss and reappearance before SSt state changeover
Partial genset loss
sst
Input
Start/stop order
Sensing
Start/stop order
Sensing
Position G1
Position O
Position G2
NB: in case of source 1 reappearance, it might be prefe-
rable not to retransfer immediately the load. Manual
retransfer feature can be activated if required from
keypad or remotely (cf. programming).
SOCOMEC - Réf. : 532 929 B
dtt 1 GFt 1 Cdt 1
dtt 2
< tF 1
OSF 1 -> 2
tG 1 = 0.5xtF1 + the old tG 1
tG 2 = 1xtF2 + x + the old tG 2
dtt 1 GFt 1 Cdt 1
dtt 2
< tF 1
tF 2
OSF 1 ->2
tG 1 = 0.5xtF1 0,5xFt1 + the old tG 1
tG 2 = 1xtF2 + x + 0.5xtF1 + the old tG 2
tF 2
dtt 1
Cdt 2
x
OSF 2 -> 1
Controller ATyS
OPERATION
Cdt 2
x
Cdt 1
tF 1
63