DKM-409 Pro AT User Manual Rev_02 Firmware V-2.5
K91D01-EN - 63 -
The unit measures up to 50 harmonics and THD values of 10 channels. Harmonics of each channel read
from a memory location, which has 50 registers. Memory structure of each channel have same properties.
REGISTER
ADDRES
VARIABLE
DESCRIPTION
LENGHT
R/W
TYPE
X
20547
Harm_V1
V1 Harmonics
50x16 bit R-O Array 50x16bit x10
20597
Harm_V2
V2 Harmonics
50x16 bit R-O Array 50x16bit x10
20647
Harm_V3
V3 Harmonics
50x16 bit R-O Array 50x16bit x10
20697
Harm_U12 U12 Harmonics
50x16 bit R-O Array 50x16bit x10
20747
Harm_U23 U23 Harmonics
50x16 bit R-O Array 50x16bit x10
20797
Harm_U31 U31 Harmonics
50x16 bit R-O Array 50x16bit x10
20847
Harm_I1
I1 Harmonics
50x16 bit R-O Array 50x16bit x10
20897
Harm_I2
I2 Harmonics
50x16 bit R-O Array 50x16bit x10
20947
Harm_I3
I3 Harmonics
50x16 bit R-O Array 50x16bit x10
20997
Harm_In
In Harmonics
50x16 bit R-O Array 50x16bit x10
Stored register addresses can be found by adding offsets to base addresses given above.
REGISTER
ADDRESS
VARIABLE
DESCRIPTION
LENGTH
R/W
TYPE
X
+0
1.
Harmonic
1. Harmonic (%)
16 BIT
R-O unsigned word x10
+1
3.
Harmonic
3. Harmonic (%)
16 BIT
R-O unsigned word x10
....
....
....
…
… …
…
....
....
....
…
… …
…
+46
48.
Harmonic
48. Harmonic (%)
16 BIT
R-O unsigned word x10
+47
49.
Harmonic
49. Harmonic (%)
16 BIT
R-O unsigned word x10
+48
-
Not-Used
16 BIT
R-O unsigned word x10
+49
THD
Total Hamornic Distortion (%)
16 BIT
R-O unsigned word x10
21.13. HARMONIC MEASUREMENTS