- 77 -
000412BG
7 - Operation
11. Alarm
This section of the menu allows you to set the activation status of a relay
(available either as contact normally open – N.O. – or as contact normally
closed – N.C.).
This contact can be used, for example, to: activate a siren or a visual
alarm, control the disconnect device of an external transformer, or control
an external device.
The relay can be set to switch in 2 different modes:
• Production (display text “PRODUCTION”)
The relay is activated (state: switched) whenever the inverter connects
to the grid; as soon as the inverter is disconnected from the network (for
whatever reason that caused disconnection), the relay is in its resting
position
• Alarm with reset at the end of the alarm signalling process (display
text “FAULT”):
The relay is activated (state: switched) whenever an error is present
(code Exxx) on the inverter; this does not apply to warnings (Warning
– code Wxxx). The alarm returns to its resting position when the alarm
signal ends, i.e. before the inverter checks the grid parameters after the
alarm state. This is because grid control state is not an alarm state but a
state of normal operation.
Alarms for which the relay is activated
E001 E002 E003 E004 E005 E006
E007 E010 E011 E012 E013 E014
E015 E016 E017 E018 E019 E020
E021 E022 E023 E026 E029 E030
E031 E032 E033 E034 E046 E049
E050 E051 E053 E054 E055 E056
E057 E058 W002 W003
If the alarm condition is persistent, the alarm contact cyclically switches from its resting state
to its activated state.
In the presence of W003 signalling (Grid Fail – Network parameters out of tolerance), 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 “Vac Absent”) the alarm contact remains
in its resting position.
In the presence of W002 signalling (UV Input – 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.
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.
N.C.
N.O.
Relay State: Idle
Relay State: Idle
Relay State: Switched
INVERTER RUN
- PRODUCTION -
GRID DISCONNECTION
- NO PRODUCTION -
GRID RECONNECTION
t=based on Country Standard
DISCONNECTION
CAUSE IS STILL
PRESENT
Yes No
N.C.
N.O.
N.C.
N.O.
N.C.
N.O.
Relay State: Idle
Relay State: Idle
Relay State: Switched
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