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Omega RD100B manual Replacing the Internal Light LED, Replacement Procedure, Maintenance 11-3

Models: RD100B

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11.3 Replacing the Internal Light LED

If the brightness of the internal light degrades with time, replace the LED.

For the replacement parts, see section 11.7.

CAUTION

•The LED is connected to the internal circuitry through the flexible printed circuit board. Do not pull the LED with force.

•Be sure not to break the flexible printed circuit board.

Replacement Procedure

1.Open the door and turn OFF the power switch.

2.Open the display and key panel section.

3.Pull out the internal light LED assembly that is attached to the end of the display and key panel section.

Display and key panel

4.Remove the LED assembly from the connector of the flexible printed circuit board.

Flexible printed circuit board

LED assembly

Connector

5.Connect the new LED assembly.

6.Push the LED assembly back into the display and key panel section. Be sure not to bend or scratch the flexible printed circuit board.

Stored condition of the flexible printed circuit board

Flexible printed circuit board

7.Turn the power switch ON and check that the internal light comes on a few seconds later.

11

Maintenance

11-3

Image 195

Omega RD100B manual Replacing the Internal Light LED, Replacement Procedure, Maintenance 11-3

Contents

User’s Guide For immediate technical or application assistance Electronic Manuals Provided on the Accompanying CD-ROM ForewordTrademarks Revisions Version Suffix Code Added or Modified Functions Reference Recorder’s Version and Functions Described in This ManualRD100B Versions and Functions Software Sold Separately Iii Safety PrecautionsSafety Standards and EMC Standards About This Manual Exemption from Responsibility Handling Precautions of the Software Checking the Contents of the Package Standard Accessories Optional Accessories Sold SeparatelyChecking the Contents of the Package Vii Removing the Packing MaterialsPen Model Dot Model Viii How to Use This Manual Conventions Used in This Manual Contents Contents Setup Operations for Convenient Functions Setting Mode Xii Maintenance Overview of the Recorder Input Section Measuring Input Section Measuring Input Section Delta Computation ScalingSquare Root Computation Burnout Detection of Thermocouples Reference Junction Compensation of Thermocouple InputMeasuring Input Section Bias Filter Pen Model Noise Elimination from Input SignalsMeasuring Input Section Filter and Moving Average Model Integration Time of the A/D Converter Integration Time of the A/D Converter Alarm Types Alarms Alarm Hysteresis Alarms Delay High Limit Alarm TDelay Low Limit Alarm t Delay High Limit Alarm Example T is the specified delay Non-Hold/Hold Operation of the Alarm Indication Alarm IndicationAlarm Recording Alarm Output Relay /A1, /A2, and /A3 Options Alarms Reflash Alarm AlarmChannel Approx ms Approx ms Description Alarms AND/OR Operation of Alarm Output RelaysEnergized/De-energized Operation of Alarm Output Relays Functional Alarms Non-Hold/Hold Operation of Alarm Output Relays Alarm ACK Operation Recording Recording Method Dot Model Chart SpeedTrend Recording Recording Method Pen Model Same time Recording Partial Expanded RecordingPen Offset Compensation Pen Model Compressed Expanded Printout Example on the Pen Model Printout Functional Description Channel Printout Dot Model Only Recording Printout Example on the Dot Model Interval Recording Alarm PrintoutPrintout Contents for details, see appendix Periodic Printout Message Printout New Chart Speed PrintoutRecording Turning ON/OFF the Periodic Printout Manual Printout Printout Example of List on the Pen Model Recording Setting Printout Printout Example of List on the Dot Model Display Displayed InformationDisplay Types Flag Display Alarm Status DisplayDate/Time and Chart Speed Channel Digital + 1 Bar Graph Display Types of Computations Computation Function /M1 OptionComputation Function Channels Dedicated to Computations Assignment of Computation Channels to the Pens Pen Model Handing of the Unit in ComputationsRecording Computation Channels Trend Recording Printout AlarmsDisplay Starting/Stopping Computation Fail Relay Output FAIL/Chart End Detection and Output Function /F1 OptionChart End Output Fail Output Remote Control Function /R1 Option Rising/Falling edge Trigger Level Ms or more Remote Control Function /R1 Option Computation Start/StopComputation Reset Remote Signal Edge, Trigger, and Level Language Temperature UnitOther Functions Key Lock Handling Precautions Handling PrecautionsBefore Using the Recorder Installation Location Installation Flat blade Installation ProcedureInstallation Front Contact With each other Panel Cutout External Dimensions of the Recorder Input Signal Wiring General Precautions to Be Taken While WiringPrecautions to Be Taken While Wiring Clamped input terminal H2 option Arrangement of the Measuring Input TerminalsMeasuring input terminal block Screw input terminal Input Signal Wiring Dot Model Before UsingRecorder Measuring Input Wiring Input Signal WiringDC current input +/A Shunt resistor Optional terminal block Optional Terminal WiringArrangement of the Optional Terminals Crimp-on lug with insulation sleeves for 4 mm screws Remote Control Input Terminals Optional Terminal Wiring Relay contact output Voltage-free contact Open collector Wiring ProcedureRelay Contact Output Specifications Relay Contact Input/Transistor Input Specifications Power Supply Wiring Precautions to Be Taken While Wiring the Power SupplyPower Supply Specifications Power Supply Wiring Checking the Date/Time Turning ON/OFF the Power Switch Names of Parts Names of PartsFront Names of Parts and Run Operations During normal operation CH UP key Display and Key PanelStatus display Seven keys are available Names Parts Run Operations Rear Panel Installing or Replacing the Chart Paper Loading the Chart PaperStopper Side with Installing or Replacing the Chart PaperFold chart paper Sprocket teeth Chart holder Feeding the Chart Paper Installing/Replacing Felt Pens or Plotter Pen Pen Model Replacing Felt PensDisplay and key panel Replacing the Plotter Pen Holder tab Installing/Replacing the Ribbon Cassette Dot Model Installing/Replacing the Ribbon Cassette Dot Model Cassette holderHole for the ribbon Feed shaft Ribbon feeding knob Stopping the Recording Recorded chart paper can be pulled out Front cover tabStarting/Stopping the Recording Starting the Recording Switching the Displayed Channel Using Keys Switching the Display ScreenSwitching the Display Screen Channel Auto Switching Printing Measured Values Manual Printout Starting the Manual PrintoutAborting the Manual Printout Starting the List Printout Printing the Recorder SettingsStarting the Setup Printout Aborting the Setup Printout Buf.clear=Alarm Clearing the Alarm Printout Buffer Clearing the Message Printout Buffer Displays the preset messagePrinting Messages Printing a Message Resetting the Report Data Resetting the Report Data of the Periodic Printout Alarm Alarm output relay Blinking Alarm indication Releasing the Alarm Output Alarm ACK OperationReleasing the Alarm Output Alarm Output Relay Operation Activating/Releasing the Key Lock Activating the Key LockReleasing the Key Lock Run Modes Exiting from Basic Setting Mode Returning to Operation Mode Entering Setting ModeEntering Basic Setting Mode Exiting from Setting Mode Returning to Operation Mode Key Operations Changing the SettingsUsing the ESC Key Entering Values Copying & Pasting a Character String Entering CharactersInserting Characters Deleting a Character Operation Menus Using the Func Key Operation Mode Menu Structure, Settings, and List of Default Values Exchange Dot Model Menu Structure, Settings, and List of Default Values Menu Structure of Setting Mode POC Menu Structure of Basic Setting Mode Setup Items in Setting Mode and Their Default Values RJC RJC Setup Items in Basic Setting Mode and Their Default Values Remote control function /R1 option Setting initialization NORMAL/MODBUS Normal Description Reference Section Function Setup Guide Function Setup Guide Alarm functions Description Reference SectionRecording functions Description Reference Section Channel number Or tagRecording color Other functions Description Reference Section Display functions Description Reference Section Computed value Timer number Setting the Input Range Frequently Used Setup Operations Setting ModeTC, RTD, and DC Voltage Input Type Setting the Input rangeSelectable Range of Input Range, Span Left, and Span Right N1 Option Linear Scaling Delta Computation Span Left and Span RightFirst channel Last channel Range Type Selectable Span Values ON/OFF Input Select the right scale value 5V InputScale Left and Scale Right Low-cut Square Root Computation Low-cut and Low-cut PointTo 5.0% of the recording span, 0.1 steps Skip Unused Channels Set the channel range Select Skip New setting takes effect Setting the Alarm Channel Range Setting the AlarmAlarm Type Symbol Name Relay No Difference High Limit Alarm/Difference Low Limit Alarm Setting the Unit on Scaled Channels Changing the Chart Speed Chart speed on the pen model unit mm/hMode Setting the Date/Time Date/Time New setting takes effectRecorders with Version 1.02 or Earlier When set to Auto Setting the Trend Recording Interval Dot ModelSetup Operations for Convenient Functions Setting Mode Functions Setting Mode Filter Time Constant Setting the Filter Pen Model Setting the Moving Average Dot Model New setting takes effectNumber of Samples of Moving Average Zone Setting Recording Zones for Each Channel Zone Recording Expand Setting the Partial Expanded Recording Trend Recording Dot Model Characters That Can Be Used for Tags Setting Tags on Channels Characters That Can Be Used for Messages Setting the Message String See section Duration New setting takes effect Setting the Alarm Delay Duration Setting the Brightness of the Display and Internal Light Display BrightnessInternal Light Brightness When bias is On Applying a Bias on the Measuring Input Signal Setup Operations For Convenient Functions Setting Mode End month, End day, and End time Start month, Strt day, and Start time DST Changing the Settings Changing the Auxiliary Alarm Function Diagnosis Changing the Auxiliary Alarm Function Behavior Changing the Auxiliary Alarm Function ReflashIndicator Act Integrate Changing the Integration Time of the A/D Converter Burnout Setting the Burnout Detection Function of Thermocouples Setting the RJC Function on Channels Set to TC Input Volt Setting the RJC Function on Channels Set to TC Input Color Changing the Channel Recording Color Dot Model POC Pen Offset Compensation Pen model Turning Printouts ON/OFF Pen Color Printout AlarmCH/Tag Channel Dot Model Periodic Printout Interval Types of Report Data to Be Printed Changing/Adding Functions Basic Setting Mode SUM scale Ref. Time Graph Setting the Bar Graph Display ModeSetup Functions Basic Setting Mode Setting the Key Lock Function Setting the Key Lock Function Operation of Keys to Be Key-Locked Password MovingAVE Enabling the Moving Average Function Dot Model Filter Enabling the Filter Function Pen Model Partial Enabling the Partial Expanded Recording Function Lang Language Changing the Display/Recording Language Procedure Alarm delay Sqrt low-cut5V low-cut Changing the Time Printout Format Changing the Time Printout Format RCD OnSpeed Initializing the Settings Basic=Initialize screenESC/? Changing the Settings Function to Be Assigned Remote No Setting Format Example Changing the Printout/Display Format of the DateDate Format Temp Temperature Changing the Temperature Unit Key Operations for Changing the Displayed Information Setup Operations for Changing the Displayed ContentsDisplaying the Data Display Setup Screen Setup Operations for Changing Displayed Contents End Flag display Data Display Setup MenuKey Operations for Changing the Displayed Information End Assigning Other Display Types See the menu on the previous Changing the Displayed ContentsChanging the Displayed Information Channel Digital Display Stopping the Computation Starting/Stopping/Resetting the ComputationOperations Related to the Computation Function /M1 Option Starting the Computation Setting the Computing Equation Description Character Key Inserting a Character Computing Equation Order of Precedence in ComputationsType Operator Power and Other Computations Four Arithmetic OperationEquation Examples Logical Computation Relational Computation Equation Example 01-02OR03.GT.04 XOR Tlog Computation Equation ExampleExamples of Equations That Are Not Allowed Characters That Can Be Used for Units Setting the Unit Constant Setting the Constants Used in Equations Select On to set the alarm. When set Alarm Value Specifying the Timer Used in Statistical Calculations Tlog Timer # Periodic Specifying the Timer Used in Statistical Calculations TlogTimer No Timer operation Set the leftmost value of the recording New setting takes effect Related Topics Dot model Set= Math Math= Aux Aux= Tag Duration Basic=Math Math=TimerTLOG Timer No.=1 Mode=Absolute Absolute Time Mode TimersNumber of Timers Timer Type Example TLOG.SUM computation Timer timeout Reset Reset Reset Reset On Reset Off Select the channel Output pen Changing the Channel Assignments of Recording Pens Pen Model Function /M1 Option Operations Setting the periodic printout interval Section Select the display mode of the bar Select the computation error procedure Error OverChannel Limit Value Troubleshooting 10-1 List of Error MessagesSetting Errors Troubleshooting When the timer expired Operation ErrorsCommunication Errors List of Error Messages Troubleshooting 10-3 System Errors 10-4 Troubleshooting Flow Charts 10-5 Troubleshooting Flow Charts 10-6 Periodic Inspection MaintenanceMaintenance 11-1 Remaining amount of chart paper Dot Model Cleaning the RecorderCleaning Procedure Pen Model Replacing the Internal Light LED Replacement ProcedureMaintenance 11-3 Flexible printed circuit board LED assembly Connector Calibration Procedure Calibrating the RecorderRequired Instruments Temperature Measurement When Using a Thermocouple Maintenance 11-5RJC of TC input Adjusting the Pen Position Pen Model Basic=PAdj screen11-6 Maintenance 11-7 Adjusting the Dot Printing Position Dot ModelAdjusting the Hysteresis Adjusting Zero and Full 11-8 Adjusting the Dot Printing Position Dot Model Recommended Replacement Periods for Worn Parts Maintenance 11-9Part Name Quantity Period Used Recommended Replacement Periods for Worn Parts Dot Model Replacement Part Name Quantity Period Used11-10 Input Type Input SpecificationsNumber of Inputs and Scan Interval on the Pen Model Number of Inputs and Scan Interval on the Dot Model Input Type Operating Conditions Input SpecificationsInput Computation Standard Function 12-2 Specifications 12-3 Alarm Function Specifications Trend Recording Dot Model Recording Function SpecificationsChart Paper Trend Recording Pen Model Recording Function Specifications Specifications 12-5Printouts Pen Model 12-6 Printout Dot Model Display and Displayed Contents Display Function Specifications Status Display Description Display Function SpecificationsItemSpecifications 12-8 Symbol Description Specifications 12-9 12-10 Digital display is the same as Specifications 12-11Name Display Example DI/DO status display Status display Channel digital display Measurement channel Tag display 12-12 RS-422A/485 Communication Interface /C3 Specifications of Optional FunctionsAlarm Output Relay /A1, /A2, and /A3 Specifications 12-13 Computation Function /M1 FAIL/Chart End Detection and Output /F1Clamped Input Terminal /H2 Non-Glare Door Glass /H3 Expansion Inputs /N3 Specifications 12-15Cu10, Cu25 RTD Input /N1 Legs Isolated RTD /N2 Remote Control 5 Points /R1 Time When Signal Is Input Procedure12-16 Construction General SpecificationsPower Supply Specifications 12-17 Supported Standards General SpecificationsIsolation Transport and Storage Conditions Excludes Specifications 12-19Resolution Standard Performance Other Specifications Effects of Operating Conditions12-20 144 151.5 Dimensional DrawingsSpecifications 12-21 220 Periodic Printout Recording color Report ModeTime tick and time tick cancel mark Scale, recording color, and chart speed Scale and chart speed Channel data, alarm, scale printout, and chart speed App-4 Printout Using the Tlog Timer /M1 OptionTimer Offset compensation mark, scale, and recording color Special Cases Operation during Power FailuresProcedure of Handling Over Values during Periodic Printout Time of Recovery Statistical Calculation Operation Index Index-1 Index Index-2 Index 7-11 Index Index-3 Index-4 WARRANTY/DISCLAIMER Shop online at omega.com