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6LE007621A
25
11.9.
Manual & Automatic Mode / Mains restoration conditions
• Automatic mode returns to active 2 seconds after switching from manual to automatic mode.
• Source I and source II voltages and frequencies are checked to define the changeover switch’s new
stable status.
• The same automatic mode recognition sequence must be executed following power-off and complete
discharge of the power reserves.
Mode settings
G
H
207 208
207 208
MODE 1
MODE 3
MODE 2
MODE 4
AUT
Priority
MODE
AUT
Priority
11.9.1. Mode 1: Automatic retransfer
Network - Genset applications
• Contact 207 / 208 open => automatic retransfer
NORMAL
PRIORITY II
TEST
Commutation
de I vers II
Produit en
position I
Source
présente
Source
absente
Écoulement d’une
temporisation
207 209
207 209
TEST
TEST
5 sec.
4 min.
5 sec.
5 sec.
FT
5 sec.
FT
Groupe
présent
Groupe
absent
Transfer from
I to II
Product in
position I
Source
available
Source missing
Timer is
counting down
Genset
available
Genset missing
NORMAL
PRIORITY II
TEST