Controller ATyS
OPERATION
63
SOCOMEC - Réf. : 532 929 B
Automatic sequences
• Diagram 2:
source loss without reappearance before SSt state changeover
Complete genset loss
ss
t
G
Ft 1
dtt 2
<
tF 1
O
S
F 1 -> 2
tF 2
x
Cdt 2
Cdt 1
t
G
1 = 0.5xtF1 + the old t
G
1
t
G
2 = 1xtF2 + x + the old t
G
2
Input
dtt 1
Po
s
ition
G
1
Po
s
ition O
Po
s
ition
G
2
S
tart/
s
top order
S
en
s
ing
S
tart/
s
top order
S
en
s
ing
ATYS 526 B GB
• Diagram 3:
source loss and reappearance before SSt state changeover
Partial genset loss
ss
t
G
Ft 1
dtt 2
<
tF 1
O
S
F 2 -> 1
O
S
F 1 ->2
tF 2
tF 1
x
Cdt 2
Cdt 1
dtt 1
Cdt 1
t
G
1 = 0.5xtF1 0,5xFt1 + the old t
G
1
t
G
2 = 1xtF2 + x + 0.5xtF1 + the old t
G
2
Input
dtt 1
Po
s
ition
G
1
Po
s
ition O
Po
s
ition
G
2
S
tart/
s
top order
S
en
s
ing
S
tart/
s
top order
S
en
s
ing
ATYS 527 B GB
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).