SMA SC 500HE-US - Manual (Page 75)

SMA America, LLC 12 Parameters
Operating Manual SC500HEUS-eng-BE-BUS120320 75
12.2 Parameters by Topic
12.2.1 Parameters for Active Power Limitation
Parameters Description Value/range Explanation Default
value
P-WMod* Procedure selection
for active power
limitation Off Limits active power
to "Pmax"
WCnst
WCtlCom Limits active power
via an external
control unit, such as
the Power Reducer
Box
WCnst Manually limits the
active power in kW
(P-W) via
communication
devices such as the
Sunny WebBox
WCnstNom Manually limits the
active power in %
(P-WNom) via
communication
devices such as the
Sunny WebBox
WCnstNomAnIn Limits active power
in % on the analog
input
P-W Limits the active
power in kW 0 kW … 500 kW The active power
cannot exceed
"Pmax".
500 kW
P-WNom Limits the active
power in %
0% … 100% ‒ 100%
Plimit** Nominal power of
the Sunny Central
0 kW … 1 000 kW ‒ 500 kW