DLS / DLS-C Series
81
Cod.: 240.010.0042
1. "SMART LD" - The page allows to set the SMART LOAD operating mode for the load controlled by
the isolated changeover contact (4A - 250Vac max) available in the DLS. Through the contact it is
possible to en-able secondary storage systems and / or domestic loads based on the status and
energy balance of the system.
PARAMETER VALUE DESCRIPTION
LD On/Off ON/OFF LD program enable (Default = OFF)
LD – P sel PV / GRID Selection of the activating power type
P start LD -99999 – 99999 W Power-on threshold setting
P hyst LD 0 – 99999 W Hysteresis power-off setting
Timer LD 0 - 1440 min Power-off timer (Default = 0 min)
LD - Day Mon - Sun Day selection for enabling LD program
LD – Start time hh:mm LD program start time setting (Default = 00:00)
LD – Stop time hh:mm LD program stop time setting (Default = 00:00)
The contact activation logic, based on the settings, is summarized in the following table:
LD-SEL Pstart LD TRIGGER CONDITION STATUS
PV P (W) > 0
P
PV
> P
start LD
ON
P
PV
< (P
start LD
– P
hyst LD
) OFF
P
GRID
P(W) > 0 (prelievo)
P
GRID
> P
start LD
ON
P
GRID
< (P
start LD
– P
hyst LD
) OFF
P
GRID
P(W) < 0 (immissione)
P
GRID
< P
start LD
ON
P
GRID
> (P
start LD
+ P
hyst LD
) OFF
- Contact triggering on "PV" threshold
P start
P start–Physt
Hysteresisa gap (P hyst)
PV Power > 0
t
Contact ON
Contact OFF
When the enrgy produced by photovoltaic panels exceeds the set threshold, the load/secondary storage
system (e.g. heater, heat pump, air conditioner) is activated through the SMARTLOAD contact.
The function is usefuel to maximize the self-consumption of the energy produced by the plant.
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