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SA2005P Datasheet(PDF) 7 Page - Sames

No. de pieza SA2005P
Descripción Electrónicos  Programmable Three Phase Power / Energy Metering IC for Stepper Motor / Impulse Counter Applications
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Fabricante Electrónico  SAMES [Sames]
Página de inicio  http://www.sames.co.za
Logo SAMES - Sames

SA2005P Datasheet(HTML) 7 Page - Sames

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Phase
Voltages
During normal conditions, the LEDs
are continuously switched on.
Phase Failure,
no voltage
The SA2005P will record the energy
consumption accurately under this condition
Phase
Sequence
Error
Method
Result
The SA2005P will record the energy
consumption accurately under this condition
Input / Output
Terminals
Interchanged
The SA2005P will record the energy
consumption accurately under this condition
Missing
Neutral
Connection
In this case, the meter would register the
energy consumption correct.
Return
through Earth
A indication for this condition could be
realized external to the IC.
Load
Imbalance
The SA2005P will record the energy
consumption accurately under this condition
Calibration
The meter can not be re-adjusted, only
reprogrammed.
One LED is provided for each phase to indicate abnormal
operating conditions.
In case of a phase failure, the corresponding LED is
switched off.
In case of phase sequence error, all LEDs are flashing with a re-
petition rate of approximately 1 Hz. A connection of a line voltage
to the neutral terminal would be indicated in the same way.
Description
One LED is provided for each current sensor to indicate reverse
energy flow. If detected, the corresponding LED is switched on.
The SA2005P can be configured to accumulate the absolute
energy consumption for each phase measured, irrespective of
the direction of the energy flow.
The architecture of the meter should provide for a good "phantom
neutral" in cases where the neutral is disconnected from the
meter.
The SA2005P will therefore record the energy consumption
accurately under this condition.
The calibration data is stored in an EEPROM. There are no
trim-pots required in this design.
http://www.sames.co.za
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SA2005P
ANTI-TAMPER CONDITIONS
The SA2005P cater for the following meter tamper conditions and are indicated as follows:


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