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5-8

IM WT310E-01EN

Input Element (WT332E/WT333E only)

The elements that you can select vary depending on the model. Check the model when selecting

elements.

• 1,2,or3:Displaytheintegratedresultsforelement1,2,or3.

• Σ:Displaythesumoftheintegratedvaluesofallequippedelements.Theequationforcomputing

the sum varies depending on the wiring system. The equations for computing the values are the

same as those listed in section 4.1 when “P” is replaced with “WP” or “q.”

Note

When the displayed function in display A is TIME (elapsed integration time), there is no element indication for

display A. Pressing the ELEMENT key for display A has no effect.

Starting and Stopping Integration

Starting Integration

When integration is started, the integration of the active power (watt hour) and the integration of the

current (ampere hour) begin.

Note

The integration function cannot be used when the data update interval is set to Auto.

Holding Displayed Values

• Whenvaluesareheld,theirdisplaysarenotupdated,butintegrationcontinuesinsidethe

instrument.BecausetheUPDATEindicatorblinkswhenevertheinternaldataisupdated,itwill

continue to blink. When the hold on the displayed values is released, the integration results (values

and time) at the point in time when the hold is released will be displayed.

• FordetailsonhowSTART/STOPkeyoperationsrelatetoheldvalues,seesection5.4.

Stopping Integration

If you stop integration, the integration process stops at the integrated value and elapsed integration

time of the previous display update. The measured values between the previous display update and

the execution of the integration stop are not integrated.

Resetting Integration

• Whenintegrationisreset,theintegratedvaluesarereturnedtowhattheywerebeforeintegration

started.

• TheSHIFT+STOP(RESET)keyisvalidafterintegrationhasbeenstopped.

• FordetailsonhowSTART/STOPkeyoperationsrelatetoheldvalues,seesection5.4.

Display When There Is an Integration Overflow

• Whentheintegratedvaluesreachtheirmaximumvalue(999999MWh/MAh)orminimumvalue(–

99999MWh/MAh), integration stops and the display of the integration results at that point in time is

held.

• Whentheelapsedintegrationtimereachesthemaximumintegrationtime(10000hours),integration

is stopped and the display of the integration results at that point in time is held.

• Whenintegrationoverflowoccurs,boththeSTARTandSTOPkeysilluminate.

5.3 Displaying Integrated Values

YOKOGAWA WT310E User Manual

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