Yokogawa 2-Wire Dual Channel Transmitter/Analyzer FLXA21 Bedienungsanleitung PDF herunterladen (Seite 201)

<16. COMMISSIONING OF SENCOM pH/ORP>

16-18

IM 12A01A02-01E 5th Edition : Oct. 31, 2013-00

16.7.2 Trend

This screen is used to make settings for the Trend Graph Screen.

Set the process parameters to be displayed for each trend. They can be set for the 1st to 3rd

trends. When all three process parameters are set “Empty”, there is no trend display (no trend

button).

l X-axis: Timing

SelecttheX-axistiming’stimespanonthetrendgraphdisplayfromalist.

l Y-axis: Limits

SettheY-axishighandlowlimitsonthetrendgraphdisplayonaTrendscreenbasis.

NOTE

Updatingthetrenddisplaysetupresetsthecurrenttrendgraphandstartsanewone.

16.7.3 Auto Return

When no operation is performed for the time set in “Auto Return”, the display returns to the

Monitordisplay(ortotheMaindisplaywhentheMONITORdisplayisdisabled)andtheanalyzer

returns to a normal measuring mode. (When the Trend display is selected, the Auto Return

doesn’twork.)

SelectthetimefromamongDisable,10min,and60min.WhentheAutoReturnfunctionisnot

used,select“Disable.”

NOTE

A default is “10 min”. When maintenance like a calibration that may take much time is performed,

“60min”or“Disable”isrecommendedtobeselected.

16.7.4 Adjust contrast

TheLCDscreencontrastcanbeadjusted.

Pressingthe▲▼keysadjuststhecontrastin11levelsfrom+5to–5(includingthedefaultvalue

of “0”).

16.7.5 MONITOR display

Select “Enable” so that the Monitor display becomes available. A default is “Enable”.

DuringHold/Washconditionandawarning/faultcondition,theMaindisplayisdisplayedto

indicate the condition.

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Yokogawa 2-Wire Dual Channel Transmitter/Analyzer FLXA21 Bedienungsanleitung Seite 201