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F521
Front view
View from above
Description
The central unit for load management is an SCS device that measures the power
consumed by the electric system and controls the state of the Load Management system
actuators, to prevent the risk of the electric meter tripping.
The device can manage up to 63 actuators (electric loads) per phase.
The central unit is also capable of processing and saving currents and voltages, to provide
information on energy and power:
- instantaneous power in W;
- total accumulated energy in Wh;
The device has an internal memory that can store:
- cumulative energy on an hourly basis for the last 12 months;
- cumulative energy on a daily basis for the past 2 years;
- cumulative energy on a monthly basis for the last 12 years.
This information is then made available on the user interfaces, and is displayed through
instantaneous values, totalizers and graphs.
In order to allow the central unit to archive consumption information, the system must
be fitted with a device capable of supplying current date and time information (e.g.
Touch Screen). If this information is not available, the meter will be unable to archive
the data, and will continue calculating the values of the instantaneous variables (power).
Legend
1. 230 Vac connection
2. Pushbutton for the start procedure and deletion of cumulative energy data
3. Configurator socket door
4. SCS/BUS connection
5. User interface LED, SEE TABLE
6. Toroid connection, Art.3523
Technical data
Operating power supply with SCS BUS: 18 – 27 Vdc
Current draw: 28 mA max
Rated current: 16 A
Maximum current: 90 A
Operating temperature: 0 – 40°C
Dimensions
1 DIN module
Load control central unit
MQ00360-c-EN 09/06/2014
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