8
vacon • 47
CONTROL INTERFACES
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If system is activated, it will not necessary mean that the system starts. It could e.g. be that the in-
verters are not ready to be started because of low irradiation. However, the system goes into a mode
where it either tries to start or waits for the inverters to get ready.
8.2.2
System status
Figure 35.System Activation/Stopped
status
System stopped
System activated
Enter State
Not Ready
Stopped
Standby
Generating
Faulted
Critical Faults?
Yes
Start Criterions
Fullfilled?
Start button
pushed?
No
Is any of units
Ready?
Yes
Is the Master
Ready?
No
Waking
Is DC Voltage
enough?
Yes
No
No
Yes
Is 10min
waiting time
over?
Yes
No
Change Master
Yes
No
Sleeping
No
Is Output
power
enough?
Stop button
pushed?
No
Turn off Unit
No
Turn on Unit
Is Output
power max
limit?
Yes
Yes
No
Ready
Yes
Yes
Critical Faults?
No
Critical Faults?
No
Yes
Critical Faults?
No
Yes
Is there any
unit run?
Yes
No
Yes