For the congurable relay operating mode “Alarm Conf.”, the following considerations are
valid:
If the alarm condition is persistent, the alarm contact cyclically switches from its resting state
to its activated state.
In the presence of W002 signalling (Input UV – input voltage below the limit of operation),
the alarm contact switches to then reset itself at the end of the alarm signal. This means that
during the reduced input voltage (display message “Waiting Sun”) the alarm contact remains
in its resting position.
In the presence of W003, W004, W005, W006, W007 signalling, the alarm contact switches
to then reset itself at the end of the alarm signal. This means that during the absence of grid
voltage (display message “Missing Grid”) the alarm contact remains in its resting position.
• Crepuscular “Crepuscular”:
The relay is activated (status: switched) as soon as the inverter input
voltage exceeds the activation voltage set.
The relay is in its rest position when the input voltage drops below 70%
of the activation voltage set.
This mode is useful for disconnecting any output transformers that could
have unnecessary consumption during the night.
• Alarm Latch (“Alarm Latch”)
The relay is activated (status: switched) whenever an error (code Exxx)
or a warning (code Wxxx) is present (see the table below). When the
inverter returns to the normal operating state and reconnects with the
grid, the contact returns to its position of rest.
Alarms for which the relay is activated
E001 E002 E003 E004 E005 E006
E007 E009 E010 E011 E012 E013
E014 E015 E016 E017 E018 E019
E020 E021 E022 E023 E024 E025
E026 E027 E028 E029 E030 E031
E032 E033 E034 E035 E036 E037
E046 E050 E053 E054 E055 E056
E057 E058 E077 E078 E081 E084
E089 W003 W004 W005 W006 W007
If the alarm condition is persistent, the relay will remain activated
(status:switched)
Vin > Vstart
Vin < Vstart
Vin è inferiore
a Vstart?
Si No
N.C.
N.O.
N.C.
N.O.
N.C.
N.O.
Stato relè: commutato
Stato relè: a riposo
Stato relè: a riposo
CONNESSIONE ALLA RETE
INVERTER RUN
ERROR OCCURENCY
ERROR MESSAGE
t=15s
GRID RECONNECTION
t=based on Country Standard
ERROR
STILL
PRESENT
Yes No
N.C.
N.O.
N.C.
N.O.
Relay State: Idle
Relay State: Switched
N.C.
N.O.
Relay State: Switched
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