3.8.7 AMF timers
The time charts describe the functionality at a mains failure and at mains return. The timers used by the AMF
function are indicated in the table below:
Timer Description Menu number
t
FD
Mains failure delay 7070 f mains failure
7060 U mains failure
t
FU
Frequency/voltage OK 6220 Hz/V OK
t
FOD
Mains failure OK delay 7070 f mains failure
7060 U mains failure
t
GBC
GB ON delay 6230 GB control
t
MBC
MB ON delay 7080 MB control
Example 1:
7065 Mains fail control: Start engine and open MB
GB On
MB On
Mains failure
detected
Gen start seq
t
FD
Gen stop seq
Mains OK
Mains OK
t
FOD
t
FU
t
MBC
Gen running
Gen f/U OK
AGC 100 Designer's Reference Handbook
4189340766 UK
Functional descriptions
DEIF A/S Page 41 of 152