AEG PV.500-MH Benutzerhandbuch

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Protect PV.500-MH Operating Instructions 
28 of 68 
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If a deactivating or self-acknowledging fault is triggered, the 
equipment switches to the "Fault" status. 
The status can be switched from "Operation" to "OFF" using the 
"Off" control command. 
5.1.5  The "Fault" Status 
If a deactivating or self-acknowledging fault is triggered ( Chap-
ter 6), the equipment switches to the "Fault" status. 
The set monitoring values are regularly checked. 
In this status, no power is fed into the mains. 
Possible change of status: 
If a self-acknowledging fault has been triggered and this fault does 
indeed acknowledge itself, the unit switches to the "Waiting for 
feed conditions" status. 
If a deactivating fault has been triggered, the "Acknowledge fault" 
control command can be used to switch back to the "Waiting" sta-
tus. 
The status can be switched from "Fault" to "OFF" using the "Off" 
control command. In the "OFF" status, the unit is always free of 
faults. 
5.1.6  The "Night" Status 
If the DC voltage falls below a certain value for a certain time, the 
equipment switches to the "Night" status. 
The set monitoring values are regularly checked. 
In this status, no power is fed into the mains. 
Possible change of status: 
If, the following morning, the DC voltage rises above a certain val-
ue for a certain time, the equipment switches to the "Waiting for 
feed conditions" status. 
If a deactivating or self-acknowledging fault is triggered, the 
equipment switches to the "Fault" status. 
The status can be switched from "Operation" to "OFF" using the 
"Off" control command. 
5.1.7  Sequence Control During the Course of the Day 
Early morning: 
The equipment is in the "Night" status. The sun's rays increase the 
DC voltage generated by the PV cells. If this voltage stays above a 
certain value for a certain time, the unit switches to the "Waiting for 
feed conditions" status. 
The DC voltage continues to be monitored in this status. In order 
for a start-up attempt to be made, it must remain above a certain 
value for a certain time. The mains voltage and mains frequency 
are also checked. These values must be within certain limits. 
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