2-25
IM 701310-01E
Explanation of Functions
3
2
1
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
App
Index
Rotary Count â–ºFor the procedure, see section 9.9
Phase changes between phase A (Source 1) and phase B (Source 2) are counted up or
down, taking a rise above a specified level as 1, and a fall below the level as 0. Taking
the specified integration start point as 0, the entire region is calculated, counting up
toward the newest data, and counting down toward the oldest data. For CH1 to CH4 the
computation applies to the input waveform of the channel itself, and for M1 to M4 applies
to any of CH1 to CH4 and REF1 to REF4.
0 0
1 0
1 1
0 1
A phase
B phase
+1
+1
+1
+1
–1
–1
–1
–1
Direction of change
Scale Conversion of a Computed Waveform (Ranging) â–ºFor the procedure, see
section 9.1
When displaying a computed waveform, normally auto scaling is carried out, but manual
scaling can also be selected.
Auto scaling automatically determines from the computed waveform the center line level
1
(Center) in the vertical axis direction of the screen area and the sensitivity
2
(Sensitivity),
to display the computed waveform.
Manual scaling allows both Center and Sensitivity to be set as required.
1 For a voltage waveform this is a voltage value.
2 For a voltage waveform, this is a voltage value per 1 div
.
User Defined Math (Option) â–ºFor the procedure, see section 9.10
Available for the DL9000 with the /G4 or /G2 option.
You can define equations arbitrarily by combining the following functions.
Operators
+, -, *, /, ABS (absolute value), SQRT (square root), LOG, LN (natural logarithm), EXP
(exponents), - (inverse), P2 (squares), DELAY (phase shift), BIN (binary), SIN (sine),
ASIN (arcsine), COS (cosine), TAN (tangent), ATAN (arctangent), DIFF (differential),
INTEG (integral),
Constants
Napier’sconstant(e),PI(π),samplerate(fs),Exp(exponentdisplay),waveform
parameters (measure item), constants (K1-K4)
Waveforms
CH1 to CH4, REF1 to REF4
2.7 Computation
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