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ADE7169 数据表(PDF) 39 Page - Analog Devices |
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ADE7169 数据表(HTML) 39 Page - Analog Devices |
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39 / 148 page  Preliminary Technical Data ADE75xx/ADE71xx Rev. PrE | Page 39 of 148 1 PER_FREQ register holds a frequency measurement 0 Reserved 1 This bit should be kept to one Table 31. WAVMODE register (0x0D) Bit Location Bit Mnemonic Default Value Description 7-5 WAV2SEL[2:0] 0 Waveform 2 selection for samples mode WAV2SEL[2:0] Source 000 Current 001 Voltage 010 Active Power multiplier output 011 Reactive Power multiplier output6 100 VA multiplier output 101 IRMS LPF output others Reserved 4-2 WAV1SEL[2:] 0 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 1-0 DTRT[1:0] 0 Waveform samples output data rate DTRT[1:0] Update rate (clock=MCLK/5=819.2kHz) 00 25.6Ksps(clock/32) 01 12.8Ksps(clock/64) 10 6.4Ksps(clock/128) 11 3.2Ksps(clock/256) Table 32. NLMODE register (0x0E) Bit Location Bit Mnemonic Default Value Description 7 DISVARCMP1 0 Setting this bit disables fundamental VAR gain compensation over line frequency 6 IRMSNOLOAD 0 Logic one enables IRMS no-load thresold detection. The level is defined by the setting of the VANOLOADbits. 5-4 VANOLOAD[1:0] 0 Apparent Power No-load threshold [1:0] 00 No-load detection disabled 01 No-load enabled with threshold = 0.030% of Full scale 10 No-load enabled with threshold = 0.015% of Full scale 11 No-load enabled with threshold = 0.0075% of Full scale 3-2 VARNOLOAD[1:0] 1 0 Reactive Power No-load threshold [1:0] 00 No-load detection disabled 01 No-load enabled with threshold = 0.015% of Full scale 10 No-load enabled with threshold = 0.0075% of Full scale 11 No-load enabled with threshold = 0.0037% of Full scale 1-0 APNOLOAD[1:0] 0 Active Power No-load threshold 6 This function is not available in ADE7566 and ADE7166 products. |
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