socomec ATyS 6m Notice D'utilisation page 101

Programming
>
Inputs/Outputs Menu
• Outputs:
S1A, S2A: Source or source
1
vated as soon as source
1
(similar to front led source
LS: Load shedding relay. LS timer corresponds to time
available to disconnect the shed loads. The relay is acti-
vated before permutation on standby network according
to LS timer. The relay is de-activated after retransfer on
mains network and LS timer countdown.
In case of LS function selection, it is required to configure associated LS timer.
Output
1 2 1 2
1 2 1 2
* In case of DTT variable configuration below LS, LS will be automatically set to DTT value.
Example: LS configuration (output relay Ou1, 3 seconds):
1 2
1 2
Load shedding cycle
DTT timer
LS timer
LS AC II Load shedding output
SOCOMEC - Réf. : 532 211 F
available. Output acti-
2
or is considered available
2
& ).
1 2
Function
S1A, S2A, LS
Priority source -
emergency source
transfer
Position II (emergency) AC activation
Automatic Transfer Switch ATyS
Default Value
0 to 60 s (≤ DTT)*
Sources priority can not be modified when LS
is affected to any output.
Load shedding feature can not be selected
when priority source = source
Emergency source -
priority source
transfer
LS relay Activation
The output is de-activated in case of loss of
power. It may then be required to put in parrallel
with the load shedding ouptut relay, position 2 auxiliary
contact. This would avoid taking back the load in case
of loss of emergency source in emergency position.
OPERATION
Setting range
3 s
2 .
LS timer
101