ABB UNO-DM-2.0-TL-PLUS Manual page 130

LOAD MANAGER RELAY
BEHAVIOR (METER NOT INSTALLED)
Pgrid[W]
Non activated
relay Curve
Relay stats
TstablethON
• Load Manager - "Load Management":
Load Manager functionality allows you to define configurable power
thresholds for which the relay is activated (status: switched) to a specific
configurable power thresholds.
Once this mode has been selected, the parameters for which the relay is
activated and deactivated have to be set.
If the energy meter is installed in the plant the power thresholds "Power
Threshold On" and "Power Threshold Off" refers to the Power injected
into the Grid (Pgrid); if the energy meter is not installed refers to Inverter
output Power (Pout).
Pgrid[W]
PthON
PthOFF
t
Relay stats
TstablethOFF
- Mode: It's possible to select AUTO (which allow the auto-
matic switching of the relay based on parameter below), ON
(which lock the relay in switched status), OFF (which lock the
relay in rest status).
- Power Threshold On [W]: Upper Power threshold (Pgrid/
Pout) for which the relay is activated (status: switched).
- Power Threshold Off [W]: Lower Power threshold (Pgrid/
Pout) for which the relay is deactivated (status: rest position).
- TStableThOnM (Minutes): Minimum time for which the
Pgrid/Pout shall remain above the "Power Threshold On" re-
lay activation (status: switched).
- TStableThOffM (Minutes): Minimum time for which the
Pgrid/Pout shall remain under the "Power Threshold Off" be-
fore the relay deactivation (status: rest position).
- 130 -
LOAD MANAGER RELAY
BEHAVIOR (METER INSTALLED)
Non activated
relay Curve
TstablethON
TstablethOFF
7 - Operation
PthON
t
PthOFF