Eaton ATC-300 Mode D'emploi page 28

Instruction Booklet
Page 28 Effective: January 2006
In-Phase Transition Implementation
Source 1 is available
Close Source 1
Source 1 is powering the load
Receive request to transfer to Source 2
(or Engine Test, Plant Exercise, Go To Emergency)
TDES timer times out
Send "Engine Start" signal
(Energize Gen Start relay)
TDNE timer times out
Sync timer times out
before Sync timer
Open Source 1 and close
Source 2 is powering the load
ATC-300 Automatic
Transfer Switch
Controller
(Energize K1)
No
Is Source 2
Available?
Yes
Sources
No
synchronized
times out
Yes
Source 2
(Energize K2)
For more information visit: www.eatonelectrical.com
Energize Alarm relay
Source 1 is powering the load
IB01602001T