71m6515h Maxim Integrated Products, Inc., 71m6515h Datasheet - Page 32
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71m6515h
Manufacturer Part Number
71m6515h
Description
71m6515h Energy Meter Ic
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.71M6515H.pdf
(57 pages)
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Page: 32 of 57
At high pulse rates, duty cycle is 50%. At rates less than 1/(2*PWmax), the negative going pulse width is PWmax. The
allowed range is 0 to 2
The pulse width for the PULSE3 and PULSE4 outputs is always at a 50% duty cycle.
The initial voltage level of the pulse pins is defined with the PULSE_INIT pin.
Source Register
Value in Pulse
0x0A
0x0B
0x0C
0x0D
0x0E
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0F
(hex)
(dec)
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
31
-1.
Table 6: Pulse Sources Defined by the PULSE_SRCS Register (1/2)
VARCSUM
VARASUM
VARBSUM
INSQSUM
IASQSUM
IBSQSUM
ICSQSUM
VARSUM
VAASUM
VABSUM
VACSUM
WCSUM
WASUM
WBSUM
VASUM
WSUM
Name
© 2005-2008 TERIDIAN Semiconductor Corporation
Description
The signed sum: W0SUM + W1SUM + W2SUM
The sum of Wh samples from individual wattmeter elements.
LSB = 9.4045*10
The signed sum: VAR0SUM + VAR1SUM + VAR2SUM
The sum of VARh samples from individual wattmeter elements.
LSB = 9.4045*10
The sum of VAh samples from individual samples.
The sum of VAh samples from individual wattmeter elements.
LSB = 9.4045*10
The sum of the square of the calculated neutral current.
LSB = 9.4045*10
The sum of squared current samples from each element.
LSB = 9.4045*10
∑
(
I
0
+
I
1
+
I
2
. )
2
-13
-13
-13
-13
-13
IMAX
VMAX IMAX / In_8 Wh
VMAX IMAX / In_8 VARh
VMAX IMAX / In_8 VAh
IMAX
2
2
/ In_8
/ In_8
2
2
A
A
2
2
h
h
Energy Meter IC
DATA SHEET
71M6515H
MARCH 2008
V1.4