YOKOGAWA WT110 - Page 51

IM 253401-01E
4-13
4
Setting Measurement Conditions
4.7 Using the Four Arithmetical Operation Function (Applies to WT110/WT130 with ROM Version 2.01 or later)
Application Example
• Power summation
: Displays the result of display A + display B.
Computation example :
Display A Display B Display C Wiring method
W1 W2 or W3 W1+W2 Any
or W1+W3
W1
W2またはW3
Converter
• Power loss
: Displays the result of display A – display B.
Computation example 1 :
Display A Display B Display C Wiring method
W1 W3 W1–W3 Any
W3W1
Converter
Computation example 2 :
Display A Display B Display C Wiring method
∑W(=W1+W3) W2 ∑W–W2 3Φ3W
W2
W1
W3
Converter
Computation example 3 :
Display A Display B Display C Wiring method
W2 ∑W(=W1+W3) W2–∑W3Φ3W
W2
W1
W3
Converter