STPMC1 ST Microelectronics, STPMC1 Datasheet - Page 46

• Manufacturer Part Number: STPMC1
• Description: Programmable poly-phase energy calculator IC
• Manufacturer: ST Microelectronics

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Theory of operation
9.17.3
Figure 15. Group 2 data records
Note:
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DER
DER
DER
DER
DEN
DEN
DEN
DEN
DES
DES
DES
DES
DET
DET
DET
DET
Group 2 data records
2.1 DER:
●
●
2.2 DES:
●
●
2.3 DET:
●
●
2.4 DEN:
●
●
In systems 3-phase, no neutral, U
parity
parity
parity
parity
parity
parity
parity
parity
parity
parity
parity
parity
parity
parity
parity
parity
parity
parity
parity
parity
parity
parity
parity
parity
4 bit
4 bit
4 bit
4 bit
4 bit
4 bit
4 bit
4 bit
uR RMS: 12-bit RMS value of R phase voltage
iR RMS: 16-bit RMS value of R phase current
uS RMS: 12-bit RMS value of S phase voltage
iS RMS: 16-bit RMS value of S phase current
uT RMS: 12-bit RMS value of T phase voltage
iT RMS: 16-bit RMS value of T phase current
uN RMS: 12-bit RMS value of voltage channel of NDSP. It may be DAN-V or DAH
according to the value of ENH bit.
iN RMS: 16-bit RMS value of neutral current
uR RMS
uR RMS
uR RMS
uR RMS
uR RMS
uR RMS
uS RMS
uS RMS
uS RMS
uS RMS
uS RMS
uS RMS
uN RMS
uN RMS
uN RMS
uN RMS
uN RMS
uN RMS
uT RMS
uT RMS
uT RMS
uT RMS
uT RMS
uT RMS
12 bit
12 bit
12 bit
12 bit
12 bit
12 bit
Doc ID 15728 Rev 1
ST
, U
TR
, U
RS
replace U
R
, U
S
, U
iR RMS
iR RMS
iR RMS
iR RMS
iR RMS
iR RMS
iS RMS
iS RMS
iS RMS
iS RMS
iS RMS
iS RMS
iT RMS
iT RMS
iT RMS
iT RMS
iT RMS
iT RMS
iN RMS
iN RMS
iN RMS
iN RMS
iN RMS
iN RMS
16 bit
16 bit
16 bit
16 bit
16 bit
16 bit
T
respectively.
STPMC1