MAXQ3183-RAN+ datasheet(37/102 Pages) MAXIM

37 / 102 page

Low-Power, Multifunction, Polyphase AFE

with Harmonics and Tamper Detect

______________________________________________________________________________________

CFQ Pulse Threshold (THR2) (0x028)

This register designates the threshold of the CFQ pulse. This value is used to set the meter constant for the CFQ

pulse output. When the CFQ pulse accumulator exceeds the value set in this register, the CFQ pulse output is acti-

vated and the CFQ pulse accumulator is reduced by the amount in this register.

Calibration Registers

Current Gain, Phase X = A/B/C/N (X.I_GAIN) (A: 0x130, B: 0x21C, C: 0x308, N: 0x12E)

This register contains gain coefficient for phase X current channel. The raw values are taken from the selected mea-

surement quantity and scaled by the factor:

Note: Bit 15 of this register must be set to zero for correct operation.

X I GAIN

214

Bit:

Name:

THR2 Byte 3

Reset:

0x00

Bit:

Name:

THR2 Byte 2

Reset:

0x10

Bit:

Name:

THR2 Byte 1

Reset:

0x00

Bit:

Name:

THR2 Byte 0

Reset:

0x00

Bit:

Name:

Current Gain Coefficient High Byte

Reset:

0x40

Bit:

Name:

Current Gain Coefficient Low Byte

Reset:

0x00

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