APC AXFA11G user manual Troubleshooting, No Indication

Page 106

10. MAINTENANCE

10.3 Troubleshooting

Although magnetic flowmeters rarely require maintenance, failures may occur when the instrument is not operated correctly. This section describes troubleshooting procedures where the cause of the breakdown is identified through receiver indication.

10.3.1 No Indication

START

 

 

 

Is an error being displayed? Check the converter display.

 

Is an error being

YES

Examine in accordance with

 

displayed?

 

Section 6.5: Alarms.

 

NO

 

 

 

Is anything else

NO

 

 

being displayed?

 

 

 

YES

 

Is the fuse blown?

NO

 

 

 

 

 

 

 

YES

 

 

 

Does the

NO

 

 

display return when the fuse

 

 

 

 

 

is replaced?

 

 

 

YES

 

Does the

NO

End

 

 

 

arrow on the tube match the

 

 

 

 

 

flow direction?

 

 

 

YES

 

Perform either of the following:

 

 

a. Reinstall the flowtube in

 

 

 

 

Check whether the flowtube

 

order to make the arrow and

 

 

flow direction match.

 

is filled with fluid.

 

 

 

b. Reverse the setting for the

 

 

 

 

 

 

flow direction.

 

Is the flowtube

NO

 

 

full of fluid?

 

 

 

YES

 

Change the piping or the

 

 

 

 

Check the resistance between

 

mounting condition so that

 

 

the tube fills with the fluid.

 

the flowtube’s A, B, and C

 

 

 

 

 

terminals using a multimeter.

 

 

 

Is the

NO

 

 

resistance 100 M or more

 

 

 

 

 

in each case?

 

 

 

YES

 

 

 

Remove the tube and

 

 

 

inspect the inside of the pipe.

 

 

 

Is foreign

NO

 

 

matter adhering to

 

 

 

the walls?

 

 

 

YES

 

 

 

Remove the foreign matter.

Contact a service center.

 

 

F1005.EPS

10-4

IM 01E20C01-01E

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Contents Users ManualAXFA11G Contents Operation VIA Hart Communicator Revision Record Safety and Modification Precautions IntroductionWarranty Using the Magnetic Flowmeter SafelyGuarantee will not apply in the following cases Combination Remote Flowtubes Accessories Handling PrecautionsChecking Model and Specifications Storage PrecautionsMounting InstallationInstallation Location Surface Mounting Wall MountingInch pipe Mounting fixture Washer Clamp screw Inch Pipe MountingPanel Mounting Unit mm approx. inch Panel cutout 203 Mounting fixture 172Dedicated Signal Cable Axfc WiringWiring Precautions CablesUnit mm approx. inch Crimp Terminal Wiring PortsExcitation Cable/Power Cable/Output Cable On the converter sideConduit Wiring When there are no particular optional specificationsWiring using waterproof glands Plastic glandTerminal Configuration Wiring ConnectionsRemoving Cover Precautions for Wiring of Power Supply Cables DC Power ConnectionGrounding Wiring the Remote Flowtube with the AXFA11 ConverterAxfc Dedicated signal cable Excitation cable Protective grounding terminalsConnecting to External Instru- ments To 20 mA DC Current OutputPulse Output Status InputStatus Output / Alarm Output 13 Status Output ConnectionSetting switch operations Operating Panel Configuration and FunctionsData display area Reversed-character indication ContentDisplay items NoneDisplay Unit Setting Methods Display Mode → Setting ModeSetting Mode To Parameter Search Mode Setting Mode Parameter Setting ProcedureSetting Example for Selection-Type Data Flow rate units B21 Base Flow Unit Sub-item Current unit settingSub-item Parameter Search Mode Parameter Sub-itemMajor Item Parameter Search Mode Setting mode Setting Example for Numeric-Type Data Flow rate spanSetting Mode Condition B23 Flow SpanSub-item Parameter Search Mode Major item Setting Example for Alphanumeric-Type Data Tag numberSetting Mode Condition Incorrect settingSub-item Major item Search Mode Selection CModified value Parameter Description Item B Menu B Easy Setup items Item a Menu a Display itemsName Data range Default value Units Description Display unitIndicated item Item C Menu C Basic Setting items Name Data range Position Default value Units Display unitName Data range Position Default value Display unit Item D Menu D Total Setting itemsDefault value Units Display unit NameItem E Menu E Pulse Setting items Item F Menu F Status Functions Setting itemsItem G Menu G Alarm Setting items ALM OUT ACT ALM-SETTINGALM HYS ALM-SIG OverItem H Menu H Display Setting items Item J Menu J Auxiliary Function Setting itemsItem K Menu K Diagnostic Function Setting items Units Display unitItem N Menu N Loop Test Setting items Item P Menu P Parameter Protection itemsMenu B Easy Setup items Data RangeExample When 1000 m3/h is set for B23/C42 Flow Span Unit/P 10-9 FU u Unit/P 10-6 FU Pulse/sDescription Menu C Basic Setting items B41/H11 Display Select2 and B42/H12 DisplayMeter Factor Settings C49 Flow User Span Menu D Total Setting itemsC47 User Span Select Selection of the use Is set forB22/C41 Base Time UnitFlow Unit TOTAL, and A32 DIF Total when BrainF13 Is set forB22/C41 Base TimeSetting for E20 Pulse Active Mode Menu E Pulse Setting itemsE20 Pulse Active Mode Switch Lower and D24 Ttl Switch Upper Menu F Status Functions Setting itemsSetting Function Description G33 Alm-HH/LL to YesNo Function No input function Val UpperStatus Output for Automatic Multiple Ranges Switching Multiple ranges settingMultiple Ranges Setting Automatic multiple ranges switching 1 Status Output for Automatic Multiple Ranges SwitchingF14 SO1/2 Active Mode Parameter setting sequenceFor automatic multiple ranges switching F10 SO1 Function F11 SO2 Function2 Multiple Ranges Switching via External Status Input F15G10 Low Alarm Low alarm setting Menu G Alarm Setting itemsG11 High Alarm High alarm setting 100 High Alarm Instantaneous flow rate Low Low Alarm Time t High High Alarm100 High Alarm Output Example100 100 85% 75% High Alarm35% Low Alarm 25%G22 4-20mA Burn Out Display of the current Setting FunctionExample ClosedOn OpenOffG43 Alm Record2 Alarm record2 G41 Alm Record1 Alarm record1Alarm Items G45 Alm Record3 Alarm record3Menu J Auxiliary Function Setting items Setting range 0 to 10% HysteresisExample 1 Step input Function orDetermining rate limit value and dead time Example 2 Slurry noiseK10 Adhesion Check Setting of adhesion J31 Power FrequencyMenu K Diagnostic Function Setting items Power Supply Code 100 to 240 V AC or 100 to 120 V DCMenu N Loop Test Setting items Adhesion Diagnostic FunctionMenu M Automatic Zero Adjustment Function Setting items SO1 Function or F11 SO2 Function, thenMenu P Parameter Protection items N11 Test Output Value Setting for test outputDefault setting Enable Write Protect functionDefault setting After password settingDisplay and output condition for process alarms G20 Alm Out Act Mode Setting of the activeOut Act Mode Totali Pulse Display Alarm Display and output condition for setting alarm occurrencesAlarm description Selection Output UnitAlarms & Warning Messages K12, K13 and K14 are correct Key Descriptions Operation VIA Brain Terminal BT200BT200 Basic Operations Key Layout and DisplayFunction Keys Command FunctionKey-in Sequence Data update and upload/ download function of BT200 AXFA11 Operation Using a BT2001 BT200 Connection Parameter Setting Using a BT200 3 BT200 Screens & Flow Rate Data DisplayMoved to B Easy Setup 1 BT200 Setting of Selection-Type Data Flow rate unitsB21 Flow UNIT, press 2 BT200 Setting of Numeric-Type Data Flow rate span B23 Flow SPAN, pressTo C Basic Setup 3 BT200 Setting of Alphanumeric-Type Data Tag numberMoved to C Basic Setup Operation VIA Hart Communicator Interconnectwion between AXFA11 and Hart Communicator Specifications for Communication LineConditions of Communication Line Communication Line RequirementsBasic Operation of the Hart Communicator Model Keys and FunctionsCalling Up Menu Addresses DisplayKey Operation Parameters Entering, Setting and Sending DataParameter Configuration Data RenewingSetting Parameters Checking for ProblemsExample of Setting Selection-Type Data Base Flow Unit Example of Setting Numeric-Type Data PV Span PV SpanExample of Setting Alphanumeric-Type Data Tag Number DisplayExample 1 of Other Settings Meter Factor Select MF SetSelect Power Frequency Example 3 of Other Settings Trim Analog Output TrimReturning fld dev to original output appears Select the Scaled D/A trim Returning fld dev to original output appears Exiting Burst Mode Example 4 of Other Settings Burst ModeSetting of Burst Mode Example 5 of Other Settings Multidrop ModePolling Exiting Multidrop Mode Example 6 of Other Settings Write ProtectionSetting Password Open Wrt Protect Menu in the Hot key MenuChanging Password Enable Wrt 10minJoker password and Software Seal Other Functions and OperationsMenu Tree On nextE12 J24 J30 P22 P23 Pre-operation Zero Adjustment Actual OperationZero Adjustment Using Display Unit Switches Selection D Major item Sub- item selection DZero Adjustment via External Status Input Ext Auto Zero Display Unit Replacement MaintenanceComponents Replacement Fuse ReplacementSetting of Burnout Switch Setting of SwitchesAmplifier Replacement Output Setting Pins for BurnoutSetting of Write Protect Switch 4 Switch ConfigurationTroubleshooting No IndicationUnstable Zero StartDisagreement Between Indication and Actual Flow Outline 65 10 Cf 10,000How to Set Parameters FunctionsStandard Performance Power Supply Power supply code Maximum Power ConsumptionSafety Requirement Standards Size 2200 mm 88 in. to 2600 mm 104Accessories Optional Specifications for AXFA11 Remote Converter Terminal WiringRemote Converter AXFA11G Surface mountingRemote Converter AXFA11G /RK AM11 Replacement Bracket General tolerance in the dimensional outline drawingDedicated Signal Cable AXFC-4-L AXFC-0-LRevision Record Edition Date Revised item
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