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Omron NT31 NT31C manual Troubleshooting and Maintenance

Models: NT31 NT31C

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SECTION 7

Troubleshooting and Maintenance

This section describes the action to take when errors occur in the PT, and how to carry out maintenance and inspection to prevent the occurrence of errors.

7-1	Troubleshooting		232
7-2	Responding to Displayed Error Messages		235
	7-2-1 Errors Occurring at Start of Operation and Their Remedies		235
	7-2-2 Errors Occurring during Operation and Their Remedies		237
	7-2-3	Errors Occurring on Screen Data Initialization and Transmission	238
	7-2-4	Errors in the System Installer Mode and Their Remedies	239
	7-2-5	Communication Errors and Their Remedies	239
7-3	Maintenance of the NT31/NT31C		241
	7-3-1	Replacing the Battery	244
7-4	Inspection and Cleaning		245

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Omron NT31 NT31C manual Troubleshooting and Maintenance

Contents

Setup Manual NT31and NT31C Programmable Terminals Page Omron Product References Page Table of Contents Index 285 Revision History 289 About this Manual Connecting to Controllers Not Made by Omron Connecting and Setting Up the Programmable TerminalProgrammable Terminal Functions and Operation Precautions Safety Precautions General PrecautionsSafety Conventions andtheir Meanings Intended AudienceXiii Section Operation of an NT31/NT31C at an FA Production Site Role and Operation of the NT31/NT31CProduction Line Status Monitoring Displays Screens Operations of the NT31/NT31CReceives Data from a Host Sends Data to a Host Screen DataFunctions of the NT31/NT31C FeaturesDownsized Body Construction Best Suited to the FA EnvironmentFunction NT31 Comparison between NT31 and NT31CAdditional Functions of the V2 Versions NT30/NT30C NT31/NT31C Comparison between NT30/NT30C and NT31/NT31CNT-ZJCAT1-EV4 NT-ZS3AT-EV1Functions of the NT31/NT31C Following are the principal functions of the NT31/NT31C Principal Functions of NT31/NT31CFunctions relating to data display Functions relating to data outputFunctions relating to communication Functions relating to data inputFunctions relating to the system Fixed Displays DisplaysTen directly onto the screen Lamps Touch SwitchesNormal Standard Lamps Image Library LampsCharacter string setting input field Graphs Thumbwheel SwitchesBar Graphs Analog MetersAlarm List Alarm List/HistoryAlarm History RecipePeripheral Devices That Can Be Connected System ConfigurationCommunications with the Host Connecting to the HostDirect Connection Function Host Link NT Link Features of the Direct Connection FunctionSection Connecting to other Companies’ PCs Communications Using Memory LinksMemory Link Memory Link Online Transfer Function Comparison between Direct Connection and Memory LinkDevice or Software Manual Title Number Before OperatingW262-E1-j Preparing for Connection NT31/NT31C Communication Ports and Communication Methods Method for Connection to the HostCommunication Methods That Can Be Used with the Host NT31/NT31C and the host are indicated in the table below Combinations of Communication Method and Connection MethodLink Connection via a convertor unit Usable Communication1N connection via a convertor unit RS-485 Direct 11 connectionFront View Names and Functions of PartsReference The NT31/NT31C comes in two body colors Body ColorRear View Hardware Settings and Connections Installation Environment InstallationInstallation in the Operation Panel Power Supply Power Supply ConnectionApplicable power supply specifications are as follows Parts Used for ConnectionFig. a GroundingRecommended Connector Cable Connecting to the Support ToolCommunication Conditions Connection Method Connecting a PrinterRecommended Printers Setting a Bar Code Reader Connecting a Bar Code ReaderSettings at the NT31/NT31C Possible Settings Default SettingPossible Settings Settings at the Bar Code ReaderData Format About RS/CS ControlSystem programs can be transmitted using Using a Memory Unit -VjVersionsPT Model System Program Function of Memory Unit Without V jMethod of Use Installation MethodBelow SW1 DIP Switch FunctionsSW2 Method of Execution Section Section If screen data is selected Errors When Using a Memory UnitSource Destination Error Probable Cause Remedial Action Using a Memory Unit Versions without the -VjSuffix Switch Function SW2-3 On Bank OFF Bank SW1 Current Memory Unit Screen Data Current PT Screen DataSection Connecting to the Host from the RS-232C Port Host Types and Settings Connecting to the RS-232C Port at the HostCompatible Host Units Communication BoardCPM1 Settings not shown here may be necessary Settings at the HostSetting the Rear Switches Switch SettingCTS 5V supply Setting at Host CPU Bus Unit SettingsSet the unit number to 0 through F so PC Setup Allocation DM Area Settings for CPUAllocation DM area CH Writing Value Settings Port CV500-CPU01-EV1/CV1000-CPU01-EV1/CV2000-CPU01-EV1PC model Connection method Word # Writing Value Settings PC Setup Area SettingsPort connecting to PT PC Setup Connecting to a CPM2CC200HX/HG/HE-ZE Serial Communications Board port B Setting the Switches of a CPM2C Setting the Switches of a CPM2ASetting the Switches on an RS-232C Adapter When using the peripheral port of CS1G/H Allocation DM Area Settings for CPU Unit Connecting to CS1-series Serial Communications BoardWhen Using the NT Link 11 Method Compatible Host Units Connecting to the RS-232C Port at the HostSection Host Model Setting methods for each unit are as followsCPM2C, CQM1, CQM1H, SRM1 C200HX/HG/HE-ZE CQM1 CQM1H PC Setup area data memory effectiveSet the DIP switches on the front panel as follows Connecting to CVM1/CV Series -EVjSettings required for each Unit are described below Using the NT Link 1N Method Compatible Host UnitsCS1G CS1HConnecting to CS1-series CPU Units Setting the DIP Switches of a C200HX/HG/HE-ZEWriting Setting PortCPU Allocation DM Area Settings Connecting to CS1 Series Serial Communications BoardCS1 series backplane mounted type CS1W-SCU21 Connecting to CS1 Series Serial Communication UnitCS1 series CPU type CS1G/H-CPUjj-EV1 Connecting CS1-series CPU UnitsConnecting to a CS1 Series Serial Communication Unit Connecting to a CS1 Series Serial Communications BoardAllocation DM area CH Writing Settings Port Value Settings at the host When Using the Memory Link Method Setting the Front SwitchesConnector Connecting Directly between RS-232C PortsName Model Remarks Delivered with Model Cable Length Connector Specification Serial Port a Wiring for Other ConnectionsSerial Port B CS1G-CPU42-EV1 CS1G-CPU43-EV1CVM1-CPU11-EV2 NT31/NT31C PC Host link unit Wiring for a Memory Link ConnectionNT31/NT31C PC Host link unit 114 1325 Connecting to the Host from the RS-422A/485 Port Connecting to the Host’s RS-232C Port Method Reference Type of Host and SettingsSysmac Settings at RS-232C/RS-422A Convertor Unit NT-AL001Connecting an NT31/NT31C and NT-AL001 RS-485 Connecting an NT31/NT31C and NT-AL001 RS-422AWiring When Connecting a Host Link Unit 25-pin Connecting an NT-AL001 and HostWiring for Connections Other Than Memory Link Applicable units CV500-LK201 communication portCVM1-CPU01-EV2 CVM1-CPU21-EV2 CV500-CPU01-EV1 CV2000-CPU01-EV1CS1G/H C200HX/HG/HE-ZE Connecting an NT31/NT31C NT-AL001 RS-422A Connecting an NT31/NT31C NT-AL001 RS-485 Connection between NT31/NT31C Units RS-422A Pin type Shielding wire NT31/NT31C sideConnection between NT31/NT31C Units RS-485 Connectors and Cables Recommended for RS-232C Recommended Connectors, Cables, and Crimp TerminalsMade by JAE Cables with Connectors Made by OmronTKVVBS4P-03 Name Model Maker RemarksPin Nos Function Connecting to the Host’s RS-422A/485 PortStandard or high-speed of type RS-485 When Using the Host Link Method Compatible Host UnitsBelow Before making a connection103 104 C1000H/C2000H rack-mounting type C500-LK203 106 Connecting to a CPU Unit CVM1/CV-series -EVj CPUs C200HX/HG/HE-ZE, CPM1, CPM2A, CPM2C, CQM1H, or SRM1 When connecting to a C200HX/HG/HE-ZE or CPM1, CPM2A, CPM2CWhen using a CPM1, CPM2A, CPM2C, SRM1 Setup areaWhen using a CQM1H Setting Switches on a CQM1H Serial Communications Board Setting Switches on a C200HX/HG/HE-ZE Communications BoardSetting the Switches on an RS-422A Adapter CVM1 CVM1-CPU01-EV2 CVM1-CPU11-EV2 Using the NT Link 11 Method Compatible Host UnitsCVM1-CPU21-EV2 Host Model Word # Writing Value Setting NT Link 1N Function Communication board Series C200HX/HG/HE-ZE and CQM1HCS1 CS1G Connection to Word # Connecting to CS1 Series Serial Communication Board115 Allocation DM area Writing Settings Port Value Direct Connection between RS-422A Ports at Both Units Connecting an NT31/NT31C and Host RS-422AApplicable units C200H-LK202-V1 3G2A5-LK201-EV1 C500-LK203 3G2A6-LK202-EV1 C200HX-CPU65-ZE C200HX-CPU85-ZE CQM1H-CPU51CQM1H-CPU61 Wiring When Connecting a CVM1/CV-series CPU120 Direct Connection between RS-485 Ports at Both Units Connecting an NT31/NT31C and Host4 1N Connection among RS-422A Ports Connecting an NT31/NT31C and a Host Reference Connecting between NT31/NT31C Units124 5 1N Connection among RS-485 Ports 126 Connectors and Cables Recommended for RS-422A/485 Recommended Connectors, Cables and Crimp Terminals128 129 System Menu Operation 132 Changing the system program System Menu Operation FlowCreate the Screen Data Operation at Startup Starting the NT31/NT31CRelationships among Modes Operation Modes and the System MenuCPM1, CPM2A, CPM2C, CQM1, CQM1H, C200HX/HG Menu Item FunctionMenu Tree Switch MenuPressing a Touch Switch That Displays The System Menu Reference Calling the System Installer ModeOperations with the System Menu Touching The Corners of The Touch PanelPress Maintenance Mode Maintenance Mode in the System MenuSwitching from the System Menu to the RUN Mode Panel size 7.2 mmClearing Screen Data Memory InitializationMemory Initialization Initializing Display History Record Data System Menu shown below Select Maintenance ModeInitializing Alarm History Record Data Initializing the Recipe Tables 146 Initializing the Memory Tables 148 Initializing the Memory Switches Memory Switch Status Operations in the System Installer ModeOFF ESC/PClearing/Installing the System Program Setting the Display Language in the System Installer Mode152 Disabling/enabling System Menu Display Changing the System SettingsDisabling/enabling Writing to The Screen Data Memory 154 Transmitting the Screen Data Select Transmit Mode Precautions to Be Observed When Transmitting Screen DataAbout Communication Conditions Communication Condition Settings for The Host Link Method Port Communication Method/Communication Type SettingsCommunication Condition Settings for The NT link 11 Method Communication Conditions Settings for The NT Link 1N Method159 Setting the Host Link Method 161 Setting the NT Link 11 Method Setting the NT Link 1N Method Standard/High-speed 164 Setting the Memory Link Method 166 Setting the Communication Type for Serial Port B Memory Switch Setting Screens System SettingsStarting Operation Four memory switch setting screens are shown below Setting the Start-up Wait TimeMemory Switch Settings Setting the Key Press Sound OFF Setting the Buzzer SoundSetting the Printer Controller 173 Setting the Print Method NT31C Only Setting Screen Saver Movement 176 Setting the Screen Saver Start-up Time 178 Setting the History Display Method 180 Setting the Resume Function 182 Setting the Automatic Reset Function 184 Setting the Time-out Interval Setting the Retry Count 187 Communication Condition Settings for Bar Code Readers Setting the Bar Code Reader Input FunctionSetting Communication Conditions and Setting Method Select Maintenance Mode Select Memory Switch189 190 11-1 I/O Settings System MaintenanceSetting from the System Menu Setting Using Special Screen During PT OperationSystem Maintenance 193 194 Displaying/Setting the Calendar and Clock 196 Screen Configuration and Display Contents Checking the PT Setting StatusDisplay Contents of The First Screen Display Contents of The Second ScreenDisplay Method Displaying and Printing the Display History Record199 Example Print-out Displaying and Printing the Alarm History RecordExample Sort by occurrence, from oldest record201 Checking Screen Data Setting Item Function OptionsSort by occurrence method, from oldest record Specifying The Display MethodOperations On The Screen Data Check Screen Displaying the Screen Data Check Screen Checking the Buzzer Device CheckCheck if the buzzer sounds correctly 206 207 Checking the LCD Screen Display Screen Data Memory Checking the BacklightCheck if the screen data memory is functioning normally Check210 211 Checking Touch Switches 213 Checking the Battery Voltage Checking Interfaces Checking Communication with the Support Tool Check Screen Checking Communication at Serial PortsFor Host Link For NT Link 11 or 1NFor a Bar Code Reader For Memory LinkCheck Method Checking Communication with a Printer Usable Systems Programming Console FunctionCommu Nication Applicable PCs Connected Port Method Type CPM1 or CPM2A CQM1, CQM1H, C200HX/HG/HE-ZE, or SRM1Adapter or CPM1-CIF11 RS-422A Adapter Adapter224 During Lock OFF Key Operations Mode Selection Keys, Mode Lock KeyDuring Lock on Programming Console Keyboard226 Device Monitor Function Communications PC model Method Compatible SystemsCQM1H-CPU21 CQM1H-CPU51Is exactly the same as for the 1N NT Link Adapter, or a CPM1-CIF11 RS-422A AdapterVersion Display Troubleshooting and Maintenance NT31/NT31C Symptoms Cause Remedy TroubleshootingMessage is displayed Omron Programming Console Function,Displaying the memory To the Host from the RS-422A/485 PortErrors Occurring at Start of Operation and Their Remedies Responding to Displayed Error MessagesMaintenance Mode Message Cause RemedyMenu Tool. System Menu OperationProgramming Console Errors Occurring during Operation and Their RemediesIs connected to PLC Does not RUN. It can be causedCase Program -5-2 Clearing/Installing the SystemCommunication Errors and Their Remedies Errors in the System Installer Mode and Their RemediesOperation When a Communication Error Occurs Probable Causes and Remedies Receive Errors Parity error at serial port aSend Errors Error Details Displayed Probable Cause RemedySpare PT Maintenance of the NT31/NT31CBacklight Procedure Guide to Backlight ReplacementReplacing the Backlight Replaceable Backlight Model NT31C-CFL01 for both NT31 and NT31CFit the cover and secure it with the screw Battery Type Replacing the BatteryGuide to Replacement Battery Replacement MethodCleaning Method Inspection and CleaningInspection Method Items Required for The InspectionPoint Inspection Details Criterion Inspected Instrument Points InspectedGeneral Specifications SpecificationsSpecification Display Specifications Performance SpecificationsPanel Specifications Special Features External Interface SpecificationsSpecifications Programming EnvironmentAppendix a For a Host Link , RS-232C Type Communications SpecificationsFor a Host Link , RS-422A Type For an NT Link , 11, RS-232C TypeFor an NT Link , 1N, RS-232C Type For an NT Link , 11, RS-422A TypeFor an NT Link , 1N, RS-422A/485 Type For a High-speed NT Link , 1N, RS-232C TypeFor a Memory Link , RS-422A Type For a Memory Link , RS-232C TypeFor a Bar Code Reader RS-232C Max m RS-422A Max. total length 500 mBody DimensionsMounting Dimensions Cable Connection Dimensions with NT-MF261 Methods for Mounting and Removal Using an RS-232C/RS-422A Convertor Unit DimensionsMounting to a DIN Rail Mounting to an Operation Panel Removal from a DIN RailCommunications Specifications RS-232C Interface General SpecificationsRS-422A/485 Interface OFF DIP Switch SettingsPin Arrangement RS-232C ConnectorRS-422A/485 Terminal Block Block Diagram Transporting and Storing the NT31/NT31C Appendix DCable with Shielding Wire Not Connected to FG Cable with Shielding Wire Connected to FGMaking the Cable Cable PreparationWrap vinyl tape over the cut off end of the shielding wire Hood AssemblyAssemble the connector hood as shown below SolderingAssembly of Connecting Cables Making the Cable for Connecting a PCPin Connector Name Model RemarksConnector and Related Parts Wiring MethodMaking the Cable for Connection to a Bar Code Reader Making the Cable for Connection to a Printer Appendix HLimitations of System Program/PT Combinations Relationship between System Program HardwareAppendix Combining a -V1 Version and -V2 Version Host Link Units Model List PTsCompoBus/S Master Control Unit Communications UnitCQM1-CPU21-E CPU Units for Connection via a 11 NT LinkCQM1H CQM1H-CPU51 CQM1H-CPU61 C200HX-CPU65-ZE C200HX-CPU85-ZECPM2C CQM1-CPU41-EV1 CPU Units for Connection via a 1N NT LinkCQM1H-CPU51 CQM1H-CPU61 RS-232C/RS-422A Convertor Unit CPU Units for Connection via a High-speed NT Link 1NRS-232C Adaptor, RS-422A Adaptor Related Parts and Equipment for PTCables with Connectors Cables with Connectors for PT ↔ PC/NT-AL001-EApplicable Connectors Connection CablePrinter Cable Connecting Cable for the CPM2C Communications ConnectorCable for Peripheral Port of CS1-series PC Option List This is a backlight CFL unit for replacement purposesProtective Sheet ... NT30-KBA04 Used for Both NT31/NT31C Chemical-resistant Cover ... NT30-KBA01This is a lithium battery used for memory backup Replacement Battery .. G2A9-BAT08Memory Unit ... NT-MF261 Protects against Does not protect againstNumbers Index 287 288 Revision History Revision code Date Revised contentRegional Headquarters Omron CorporationAuthorized Distributor Cat. No. V062-E1-02 NT31, NT31C Programmable Terminals