SMA SI 4548-US - Manual (Page 141)

SMA America, LLC 15 Relays
Operating Manual SI4548-6048-US-BE-en-20 141
MccAutoLod Multicluster auto
Loadshedding Automatic disconnection of the loads via an
extension cluster in the Multicluster system
"MccAutoLod" is the request from the master of the
main cluster that is transmitted to a master of an
extension cluster in order to use its relay for the
automatic disconnection of the loads.
CHPReq Request CHP plant Request of the CHP plant through the CHP plant
control
CHPAdd Request additional CHP plant Request of additional CHP plant through the CHP
plant control
SiComRemote Remote control The relay can be controlled remotely.
Overload Overload When using the output limitation of the
Sunny Island (temperature-dependent), the relay
will be opened.
"Overload" is directly linked to the derating
warning and the relay switches when the warning
is present.
Function/
Setting Meaning Function description