Yokogawa 2-Wire Dual Channel Transmitter/Analyzer FLXA21 Manuel d'utilisateur télécharger pdf (Page 65)

<4. COMMISSIONING OF pH/ORP>

4-11

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

 CongureHold

OntheCongureHold,settingsareperformedtoholdofthemAoutputatapresetvalue.(Refer

to the section 5.4.) This is enabled only if “mA” is “Output.”

DuringtheCommissioningortheQuickSetup,themAoutputisautomaticallyheld.Thepreset

valuedependsonasettingonthe“Lastorxed”.

“Last”: The preset value is a value measured just before hold condition.

“Fixed”: Thepresetvalueisavaluesetinthe“FixedvaluemA”.

   Whenthe“Fixed”isselected,setamAvalueinthe“FixedvaluemA”.

Selection on the “Hold during Calibration/Wash” decides to activate or deactivate the hold

function automatically during calibration or wash.

“Enabled”: Activation of the automatic hold function

“Disabled”: Noautomaticholdfunction

Only when the “PH201G” is selected on the Communication, the message of “Hold during

Calibration/Wash” is displayed. On other selections, the message of “Hold during Calibration” is

displayed.

4.4 Errorconguration

InErrorconguration,congurethestatusesofvariouserrorcauses.

This allows the system to notify the user of the occurrence of an error according to the status

categoriesintheErrorconguration.

Select a status category from among Off, Warn. (Warning), and Fault.

“Fault”automaticallyperformsburn-out.WhenBurnhasbeensettoOff(4.3Outputsetup),only

the error message is displayed.

“Warn.” displays an error message.

When selecting PH201G in the communication setting, make sure that the “Fail contact” setting

is appropriate.

The settable causes of errors are determined based on the settings of the Sensor setup and

Measurement setup, and a status category is set to the causes displayed in the Errors 1/3 to 3/3

screens.

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Yokogawa 2-Wire Dual Channel Transmitter/Analyzer FLXA21 Manuel d'utilisateur Page 65