Energy Meter IC Family Software Instruction Manual

71M652X Software User’s Guide
Revision 1.7 TERIDIAN Proprietary 75 of 138
© Copyright 2005-2007 TERIDIAN Semiconductor Corporation
Name Purpose Function or LSB Value CLI Format L in
bits
XDATA
IThrshldA Starting current,
element A
SQSUMILSB 02
16
=
0 in this position disables creep
logic for both element A and B.
)0 unsigned 32 0x0000
Config Configure meter
operation on the fly.
bit 0:** reserved
0: VA = Vrms * Irms;
1:
22
VARhWhVA +=
bit1:* 1 = Clears accumulators
bit2:*1 = Calibration mode
bit3:** reserved: 1 = enable
tamper detection
)1 N/A 8 0x0004
VPThrshld error if exceeded.*
SQSUMVLSB 02
16
=
)2 unsigned 32 0x0005
IPThrshld error if exceeded.*
SQSUMILSB 02
16
=
)3 unsigned 32 0x0009
Y_Cal_Deg0 RTC adjust 100ppb )4 signed 16 0x000D
Y_Cal_Deg1 RTC adjust, linear by
temp.*
10ppb*ΔT, in 0.1?C )5 signed 16 0x000F
Y_Cal_Deg2 RTC adjust, squared
by temp.*
1ppb*ΔT
2
, in 0.1?C )6 signed 16 0x0011
PulseWSource
PulseVSource
Wh Pulse source,
VARh pulse source
selection*
See table for PulseWSource and
PulseVSource
)7
)8
unsigned 8 0x0013
0x0014
Vmax Scaling Maximum
Voltage for PCB,
equivalent to 176mV
at the VA/VB pins
0.1V )9 unsigned 16 0x0015
ImaxA Scaling maximum
current for PCB,
element A, equi-
valent to 176mV at
the IA pin
0.1A )A unsigned 16 0x0017
ppmc1 ADC linear adjust
with temperature
PPM per degree centigrade )B signed 16 0x0019
ppmc2 ADC quadratic adjust
with temperature
PPM per degree centigrade
squared
)C signed 16 0x001B
Pulse 3 source Source for software
pulse output 3**
See table for PulseWSource and
PulseVSource
)D unsigned 8 0x001D
Pulse 4 source Source for software
pulse output 4**
See table for PulseWSource and
PulseVSource
)E unsigned 8 0x001E
Scal Duration for auto-
calibration** in
seconds
Count of accumulation intervals to
be used for auto-calibration.
)F unsigned 16 0x001F
Vcal Voltage value to be
used for auto-
calibration**
Nominal RMS voltage applied to
all elements during auto-
calibration (LSB = 0.1V).
)10 unsigned 16 0x0021