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LEM International SA
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7.3.4. Transaction energy registers
Transaction data in
/legal
) include differential energy registers: import and export
energy registers. Both of them are the difference of corresponding total energy register between
the beginning and the end of the transaction, as illustrated on below figure.
Figure 42: "Transaction" vs "Total" energy registers (Import or Export)
Transaction energy registers are stored among the transaction
data. They can be retrieved by retrieving the transaction data.
Hence, transaction energy registers can be accessed through
/legal
and
/ocmf
APIs (see §7.1). They can also be seen
on most of the transaction screens.
7.3.5. Other measurements
The DCBM provides other measurements data:
• Voltage in V (with 3 fractional digits)
• Current in A (with 3 fractional digits)
• Power in kWh (with 3 fractional digits)
•
Temperature measurement on both terminals of the Sensor Unit,
in °C (with 1 fractional digit)
Those measurements are indicative and cannot be used for billing. They are provided as average
of the last 100 ms, updated every second, and therefore they cannot reflect surges or other
dynamic signals at any higher frequencies.
On HTTP/REST, those measurements are available only through
/livemeasure
API (see §7.1).
On the screen, they can be accessed on maintenance screens, in Livemeasure category. Power
is also available on transaction in progress screen.
Transaction
energy register
value
Beginning of
transaction
End of
transaction
Total energy registe
r
Time
Total energy
!
Summary of Contents for DCBM 400 Series
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