socomec ATys C20 User Manual

Automatic sequences
Controller ATyS
OPERATION
ATyS C20/C30
60
SOCOMEC - Réf.: 532 214 C
Presentation
Operational modes
Programming
Operation
Visualisation
Automatic sequences
MANUAL MODE/AUTOMATIC MODE
> Manual mode - Automatic mode
permutation/power supply reappearance
• As soon as man input desapears (if selected), the
automatic mode is active
• Voltages and frequencies 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.)
> New stable position of the changeover switch
Refer to timer menus for MFT, MRT or DTT timers
definition.
Changeover switch Sources availability New position
initial position
Priority source Priority source available, Priority source
emergency source available or unavailable
Priority source Priority source unavailable for MFT time period, Emergency source. If emergency source
emergency source available or unavailable unavailable start emergency source first and wait
for DTT timer period before transfer
Emergency source Emergency source available, Emergency source
priority source unavailable
Emergency source Emergency source available, Priority source
priority source available for MRT time period
Emergency source Emergency source not available, Priority source
priority source available
Position 0 Priority source available, Available source to count down MRT before
emergency source unavailable transfer to priority source
Position 0 Priority source available, Priority source
emergency source unavailable
Position 0 Priority source unavailable, Emergency source
emergency source available
Position 0 Priority source unavailable, No action (because no supply).
emergency source unavailable When supply becomes available change to priority
source or emergency source
The switch transfers to new stable position as soon as Automatic mode is active.
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 ).
• source is available
• transfer switch is in position I
• source is available or unavailable
> Available source
Source being within programmed voltage and frequency
settings, phases rotation being correct.
> Specific feature: remote transfer control
It is possible to transfer from main source to emergency
source before DTT finishes up and to allow transfer with
CTS option if selected on an unput. DTT is automatically
set up to its maximum value as soon as CTS is selected.
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socomec ATys C20 Specifications

General

Brand	socomec
Model	ATys C20
Category	Controller
Language	English