Maintenance, Components Replacement, Fuse Replacement | APC AXFA11G

10. MAINTENANCE

10. MAINTENANCE

10.1 Components Replacement

WARNING

• Component replacement and the associated operations must be carried out by expert engineer or skilled personnel and not by operators.

• Before opening the cover, it is important to ensure that at least 10 minutes have passed since the power was turned off. Furthermore, opening of the cover must also be carried out by a expert engineer or skilled personnel.

IMPORTANT

•As a rule, maintenance of this flowmeter should be implemented in a maintenance service shop where the necessary tools are provided.

•The amplifier assembly contains sensitive parts that may be damaged by static electricity. Excercise care so as not to directly touch the electronic parts or circuit patterns on the board, for example, by preventing static electrification by using grounded wrist straps when handing the assembly. Also take precautions such as placing a removed amplifier assembly into a bag with an antistatic coating.

Fuse holder

F1001.EPS

Figure 10.1.1 Fuse Assembly

10.1.2 Display Unit Replacement

10.1.2.1 Removing the Display Unit

(1)Turn off the power.

(2)Remove the cover.

(3)Hold the display unit with your hand and remove the two mounting screws. Remove the connector by lifting it upward, taking care not to damage it.

10.1.1 Fuse Replacement

CAUTION

Be sure to turn off the power before performing fuse replacement. Also be sure to use the spare fuse that was supplied with the product, or ones supplied by Yokogawa’s sales or service offices.

The fuse holder is located on the lower side of the terminal block. Press this holder upwards and turn it counterclockwise to remove it; then, replace the holder’s fuse. Note that the fuse holder must be pressed upwards and turned clockwise when it is being reassembled. A spare fuse is secured by tape to the inside of the case’s left side.

10-1	IM 01E20C01-01E

Image 103

APC AXFA11G Maintenance, Components Replacement, Display Unit Replacement, Fuse Replacement, Removing the Display Unit

Contents

Users ManualAXFA11G Contents Operation VIA Hart Communicator Revision Record Introduction Safety and Modification Precautions Warranty Using the Magnetic Flowmeter SafelyGuarantee will not apply in the following cases Combination Remote Flowtubes Storage Precautions Handling PrecautionsChecking Model and Specifications Accessories Surface Mounting Wall Mounting InstallationInstallation Location Mounting Unit mm approx. inch Panel cutout 203 Mounting fixture 172 Inch Pipe MountingPanel Mounting Inch pipe Mounting fixture Washer Clamp screw Cables WiringWiring Precautions Dedicated Signal Cable Axfc On the converter side Wiring PortsExcitation Cable/Power Cable/Output Cable Unit mm approx. inch Crimp Terminal Plastic gland When there are no particular optional specificationsWiring using waterproof glands Conduit Wiring Terminal Configuration Wiring ConnectionsRemoving Cover DC Power Connection Precautions for Wiring of Power Supply Cables Protective grounding terminals Wiring the Remote Flowtube with the AXFA11 ConverterAxfc Dedicated signal cable Excitation cable Grounding To 20 mA DC Current Output Connecting to External Instru- ments Status Input Pulse Output 13 Status Output Connection Status Output / Alarm Output Setting switch operations Operating Panel Configuration and FunctionsData display area None ContentDisplay items Reversed-character indication Display Mode → Setting Mode Display Unit Setting Methods Setting Mode To Parameter Search Mode Setting Mode Parameter Setting ProcedureSetting Example for Selection-Type Data Flow rate units Parameter Sub-item Sub-item Current unit settingSub-item Parameter Search Mode B21 Base Flow Unit B23 Flow Span Setting Example for Numeric-Type Data Flow rate spanSetting Mode Condition Major Item Parameter Search Mode Setting mode Incorrect setting Setting Example for Alphanumeric-Type Data Tag numberSetting Mode Condition Sub-item Parameter Search Mode Major item Sub-item Major item Search Mode Selection CModified value Parameter Description Item a Menu a Display items Item B Menu B Easy Setup items Name Data range Default value Units Description Display unitIndicated item Name Data range Position Default value Units Display unit Item C Menu C Basic Setting items Name Item D Menu D Total Setting itemsDefault value Units Display unit Name Data range Position Default value Display unit Item F Menu F Status Functions Setting items Item E Menu E Pulse Setting items Item G Menu G Alarm Setting items ALM-SIG Over ALM-SETTINGALM HYS ALM OUT ACT Item J Menu J Auxiliary Function Setting items Item H Menu H Display Setting items Units Display unit Item K Menu K Diagnostic Function Setting items Item P Menu P Parameter Protection items Item N Menu N Loop Test Setting items Data Range Menu B Easy Setup items Unit/P 10-9 FU u Unit/P 10-6 FU Pulse/s Example When 1000 m3/h is set for B23/C42 Flow Span Description B41/H11 Display Select2 and B42/H12 Display Menu C Basic Setting items Meter Factor Settings Is set forB22/C41 Base Time Unit Menu D Total Setting itemsC47 User Span Select Selection of the use C49 Flow User Span Is set forB22/C41 Base Time TOTAL, and A32 DIF Total when BrainF13 Flow Unit Setting for E20 Pulse Active Mode Menu E Pulse Setting itemsE20 Pulse Active Mode G33 Alm-HH/LL to Yes Menu F Status Functions Setting itemsSetting Function Description Switch Lower and D24 Ttl Switch Upper Val Upper No Function No input function 1 Status Output for Automatic Multiple Ranges Switching Multiple ranges settingMultiple Ranges Setting Automatic multiple ranges switching Status Output for Automatic Multiple Ranges Switching F10 SO1 Function F11 SO2 Function Parameter setting sequenceFor automatic multiple ranges switching F14 SO1/2 Active Mode F15 2 Multiple Ranges Switching via External Status Input G10 Low Alarm Low alarm setting Menu G Alarm Setting itemsG11 High Alarm High alarm setting Output Example High High Alarm100 High Alarm 100 High Alarm Instantaneous flow rate Low Low Alarm Time t 25% 100 85% 75% High Alarm35% Low Alarm 100 ClosedOn OpenOff Setting FunctionExample G22 4-20mA Burn Out Display of the current G45 Alm Record3 Alarm record3 G41 Alm Record1 Alarm record1Alarm Items G43 Alm Record2 Alarm record2 Setting range 0 to 10% Hysteresis Menu J Auxiliary Function Setting items Example 2 Slurry noise Function orDetermining rate limit value and dead time Example 1 Step input Power Supply Code 100 to 240 V AC or 100 to 120 V DC J31 Power FrequencyMenu K Diagnostic Function Setting items K10 Adhesion Check Setting of adhesion SO1 Function or F11 SO2 Function, then Adhesion Diagnostic FunctionMenu M Automatic Zero Adjustment Function Setting items Menu N Loop Test Setting items Write Protect function N11 Test Output Value Setting for test outputDefault setting Enable Menu P Parameter Protection items After password setting Default setting Display and output condition for process alarms G20 Alm Out Act Mode Setting of the activeOut Act Mode Output Unit Display and output condition for setting alarm occurrencesAlarm description Selection Totali Pulse Display Alarm Alarms & Warning Messages K12, K13 and K14 are correct Key Layout and Display Operation VIA Brain Terminal BT200BT200 Basic Operations Key Descriptions Function Keys Command FunctionKey-in Sequence Data update and upload/ download function of BT200 AXFA11 Operation Using a BT2001 BT200 Connection 3 BT200 Screens & Flow Rate Data Display Parameter Setting Using a BT200 Moved to B Easy Setup 1 BT200 Setting of Selection-Type Data Flow rate unitsB21 Flow UNIT, press B23 Flow SPAN, press 2 BT200 Setting of Numeric-Type Data Flow rate span To C Basic Setup 3 BT200 Setting of Alphanumeric-Type Data Tag numberMoved to C Basic Setup Operation VIA Hart Communicator Communication Line Requirements Specifications for Communication LineConditions of Communication Line Interconnectwion between AXFA11 and Hart Communicator Keys and Functions Basic Operation of the Hart Communicator Model Calling Up Menu Addresses DisplayKey Operation Data Renewing Entering, Setting and Sending DataParameter Configuration Parameters Setting Parameters Checking for ProblemsExample of Setting Selection-Type Data Base Flow Unit PV Span Example of Setting Numeric-Type Data PV Span Display Example of Setting Alphanumeric-Type Data Tag Number Select MF Set Example 1 of Other Settings Meter Factor Select Power Frequency Trim Example 3 of Other Settings Trim Analog Output Returning fld dev to original output appears Select the Scaled D/A trim Returning fld dev to original output appears Example 5 of Other Settings Multidrop Mode Example 4 of Other Settings Burst ModeSetting of Burst Mode Exiting Burst Mode Polling Example 6 of Other Settings Write Protection Exiting Multidrop Mode Open Wrt Protect Menu in the Hot key Menu Setting Password Enable Wrt 10min Changing Password Other Functions and Operations Joker password and Software Seal On next Menu Tree E12 J24 J30 P22 P23 Actual Operation Pre-operation Zero Adjustment Selection D Major item Sub- item selection D Zero Adjustment Using Display Unit Switches Zero Adjustment via External Status Input Ext Auto Zero Fuse Replacement MaintenanceComponents Replacement Display Unit Replacement Output Setting Pins for Burnout Setting of SwitchesAmplifier Replacement Setting of Burnout Switch 4 Switch Configuration Setting of Write Protect Switch No Indication Troubleshooting Start Unstable Zero Disagreement Between Indication and Actual Flow 65 10 Cf 10,000 Outline Functions How to Set Parameters Standard Performance Size 2200 mm 88 in. to 2600 mm 104 Maximum Power ConsumptionSafety Requirement Standards Power Supply Power supply code Accessories Terminal Wiring Optional Specifications for AXFA11 Remote Converter Surface mounting Remote Converter AXFA11G General tolerance in the dimensional outline drawing Remote Converter AXFA11G /RK AM11 Replacement Bracket AXFC-0-L Dedicated Signal Cable AXFC-4-L Edition Date Revised item Revision Record