Automatic Sequences - socomec ATyS 3e Notice D'utilisation

Automatic sequences

MANUAL MODE / AUTOMATIC MODE
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Manual mode - Automatic mode
permutation/power supply reappearance
• As soon as the selector switch is switched to auto-
matic, the automatic mode is active
• Voltages (and frequencies on ATyS 6e) are verified to
define new stable position of the changeover switch
• The same table can be taken into account after
complete power supply loss (the product must be
completely discharged to reset = 3 minutes.)
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New stable position of the chaneover swicth
Changeover switch Sources availability
initial position
Priority source Priority source available,
emergency source available or unavailable
Priority source Priority source unavailable for MFT time period,
emergency source available or unavailable
Emergency source Emergency source available,
priority source unavailable
Emergency source Emergency source available,
priority source available for MRT time period
Position 0 Priority source available,
emergency source unavailable
Position 0 Priority source available,
emergency source unavailable
Position 0 Priority source unavailable,
emergency source available
Position 0 Priority source unavailable,
emergency source unavailable
The switch immediately transfers to new stable position as soon as the keyswitch is turned from
Manual to Automatic mode or as soon as Power comes back.
LOSS OF PRIORITY SOURCE AUTOMATIC SEQUENCE
This sequence is started as soon as the switch is in
automatic mode and in priority position (position I -
source ).
1
• source 1 is available
• transfer switch is in position I
• source 2 is available or unavailable
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Available source
Source being within programmed voltage and frequency
settings, phases rotation being correct.
SOCOMEC - Réf.: 531 848 F
Automatic Transfer Switch ATyS
Refer to timer menus for MFT, MRT or DTT timers
definition.
New position
Priority source
Emergency source. If emergency source
unavailable start emergency source first and wait
for DTT timer period before transfer
Emergency source
Priority source
Available source to count down MRT before
transfer to priority source
Priority source
Emergency source
No action (because no supply).
When supply becomes available change to priority
source or emergency source
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Specific feature: remote transfer control
It is possible to transfer from main source to emergency
source before DTT finishes up. If it is setup to its maxi-
mum value (60s), it is possible to allow transfer closing
terminals 207-208 (CTS).
OPERATION
ATyS 6s & 6e
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