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ADE7166 数据表(PDF) 42 Page - Analog Devices |
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ADE7166 数据表(HTML) 42 Page - Analog Devices |
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42 / 144 page  ADE7566/ADE7569/ADE7166/ADE7169 Rev. A | Page 42 of 144 Bit Mnemonic Default Description 1 FREQSEL Configuration Bits to Select Period or Frequency Measurement for PER_FREQ Register (0x0A). FREQSEL Result 0 PER_FREQ register holds a period measurement. 1 PER_FREQ register holds a frequency measurement. 0 WAVEN 0 When set, the waveform sampling mode is enabled. 1 This function is not available in the ADE7566 and ADE7166. Table 34. WAVMODE Register (0x0D) Bit Mnemonic Default Description 7 to 5 WAV2SEL[2:0] 000 Waveform 2 Selection for Samples Mode. WAV2SEL[2:0] Source 000 Current 001 Voltage 010 Active power multiplier output 011 Reactive power multiplier output1 100 VA multiplier output 101 Irms LPF output Others Reserved 4 to 2 WAV1SEL[2:0] 000 Waveform 1 Selection for Samples Mode. WAV1SEL[2:0] Source 000 Current 001 Voltage 010 Active power multiplier output 011 Reactive power multiplier output1 100 VA multiplier output 101 Irms LPF output (low 24-bit) Others Reserved 1 to 0 DTRT[1:0] 00 Waveform Samples Output Data Rate. DTRT[1:0] Update Rate (Clock = fCORE/5 = 819.2 kHz) 00 25.6 kSPS (clock/32) 01 12.8 kSPS (clock/64) 10 6.4 kSPS (clock/128) 11 3.2 kSPS (clock/256) 1 This function is not available in the ADE7566 and ADE7166. Table 35. NLMODE Register (0x0E) Bit Mnemonic Default Description 7 DISVARCMP1 0 Setting this bit disables fundamental VAR gain compensation over line frequency. 6 IRMSNOLOAD 0 Logic 1 enables Irms no-load threshold detection. The level is defined by the setting of the VANOLOAD bits. 5 to 4 VANOLOAD[1:0] 00 Apparent Power No-Load Threshold. VANOLOAD[1:0] Result 00 No-load detection disabled 01 No-load detection enabled with threshold = 0.030% of full scale 10 No-load detection enabled with threshold = 0.015% of full scale 11 No-load detection enabled with threshold = 0.0075% of full scale |
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