STPMC1 ST Microelectronics, STPMC1 Datasheet - Page 54

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

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Theory of operation
Table 31.
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0001000
0001001
0001010
0001011
0001100
0001101
0001110
0001111
0010000
0010001
0010010
0010011
0010100
Binary
7-BIT
Address
Configuration bits map (continued)
DEC
10
11
12
13
14
15
16
17
18
19
20
8
9
MSBF
KMOT
Name
SCLP
LTCH
ART
ABS
SYS
LVS
N. of
bits
1
1
2
2
2
1
3
1
IMPORTANT: The decimal value indicated in this column represents
Reactive energy computation algorithm:
- ART=0: natural computation
- ART=1: artificial computation – not allowed if FUND =1
Bit sequence output during record data reading selection:
- MSBF=0: msb first
- MSBF=1: lsb first
Negative power accumulation type:
- ABS=0: 3-phase Ferraris,
- ABS=1: absolute accumulation per phase
- ABS=2: Ferraris per phase,
- ABS=3: signed accumulation
No-load condition threshold:
- LTCH=0: 0,00125 * FS,
- LTCH=1: 0,0025 * FS
- LTCH=2: 0,005 * FS
- LTCH=3: 0,010 * FS
If APL=0 output selection for LED pin:
If APL = 1, 2, 3 pulsed output divider:
If LVS=0,
The constants at LVS=0 is valid also for LED when APL=3
If LVS=1,
if APL = 0, 1 Selection of pulses(X) for LED:
- LVS=0: active power,
- LVS=1: reactive power.
if APL = 1, 2, 3 Type of stepper selection:
- LVS=0: 10 poles, 30ms, 5V stepper,
- LVS=1: 2 poles, 150ms, 3V stepper
Measurement system selection:
- SYS=0: 3-phase, 4-wire RSTN, 4-systxem RSTN (tamper)
- SYS=1: 3-phase, 4-wire RSTN, 3-system RST_
- SYS=2: 3-phase, 3-wire RST_, 3-system RST_ (tamper)
- SYS=3: 3-phase, 3-wire RST_, 2-system R_T_ (Aron)
- SYS=4: 2-phase, 3-wire _STN, 2-system _ST_ (America)
- SYS=5: 1-phase, 2-wire __TN, 2-system _ST_ (tamper coil:coil)
- SYS=6: 1-phase, 2-wire __TN, 2-system _ST_ (tamper coil:shunt)
- SYS=7: 1-phase, 2-wire __TN, 1-system __T_
Polarity of SCLNLC idle state selection:
- SCLP=0: idle state SCLNLC=1,
- SCLP=1: idle state SCLNLC=0
KMOT=0
3-phase
KMOT=0
P/64
KMOT=0
P/640
Doc ID 15728 Rev 1
the value of the configuration bits with MSB in bold.
R phase
KMOT=1
KMOT=1
KMOT=1
P/128
P/1280
S phase
KMOT=2
KMOT=2
P/32
KMOT=2
P/320
Description
KMOT=3
KMOT=3
P/256
KMOT=3
T phase
P/2560
STPMC1