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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STPM10 датащи(PDF) 26 Page - STMicroelectronics |
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STPM10 датащи(HTML) 26 Page - STMicroelectronics |
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26 / 51 page  Theory of operation STPM10 26/51 Doc ID 17728 Rev 3 7.15 Status bits The STPM10 includes 8 status bits which provide information about the current status of the meter. The status bits are the following: All these signal can be read through the SPI interface. See Section 7.15: Status bits for details on the status bit location in the STPM10 data records. Table 10. Status bit description Bit # Name Description Condition 0 BIL No-load condition BIL = 0: No-load condition not detected BIL = 1: No-load condition detected 1BCF Σ Δ signals status BCF = 0: Σ Δ signals active BCF = 1: One or both Σ Δ signals are stacked 2 BFR Line frequency range BFR = 0: Line frequency within the 45 Hz - 65 Hz range BFR = 1: Line frequency out of range 3 BIT Tamper condition BIT = 0: Tamper not detected BIT = 1: Tamper detected 4 MUX Current channel selection MUX = 0: Primary current channels selected by the tamper module MUX = 1: Secondary current channels selected by the tamper module 5 LIN Trend of the line voltage LIN = 0: Line voltage going from the minimum to the maximum value. (dv/dt > 0) LIN = 1: Line voltage going from the maximum to the minimum value. (dv/dt < 0) 6 PIN Output pin check PIN = 0: Output pins are consistent with the data PIN = 1: Output pins are different with the data, this means an output pin is forced to 1 or 0 7 HLT Data validity HLT = 0: Data records reading are valid. HLT = 1: Data records are not valid. A reset occurred and a restart is in progress |
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