YOKOGAWA SL1400 - Page 555

App-5
IM 701240-01E
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App
App
Index
Appendix
Int2XY
(1) When Only One Y Data Corresponds to X Data
1
3
Start Point
Stop Point
S0
Area S=S0
X Axis (Y=0)
X Axis (Y=0)
Area S= –S
0
Stop Point
Start Point
S0
2 4
Stop Point
Start Point
S0
Area S=S0–S1
X axis (Y=0)
X Axis (Y=0)
Area S=S
0
Start Point
Stop Point
S0
(2) When the Waveform Extends into the Negative Side
X Axis (Y=0)
S0
S1
Start Point
Stop Point
(3) When Two or more Y Data Correspond to X Data
X Axis (Y=0)
S0
Start Point
Stop Point
Area S=S
0
X Axis (Y=0)
S0
Stop
Point
Start Point
Area S=S
0+2×S1+S2
S1
S2
Area S= –S0
Appendix 4 How to Calculate the Area of a Waveform