121 | Omron CPM1A specification

Troubleshooting Flowcharts	Section 5-6

I/O Check	The I/O check flowchart is based on the following ladder diagram section.

(LS1)

(LS2)

00002

00003

01003

SOL1

01003

SOL1 malfunction.

Malfunction of SOL1

Is the IR 01003 out-

No

put indicator operat-

ing normally?

Yes

Check the voltage at the

Wire correctly.

Correct the short cir-

Monitor the ON/OFF

IR 01003 terminals.

cuit or limit the con-

status of IR 01003

nected load to the

with a Peripheral

No

specification range

Device.

Operation

No

Is output wiring

Operation

O.K.?

correct?

O.K.?

Yes

Yes

Yes

No

Has the external

power supply shorted

or overloaded?

Yes

Disconnect the external wires

and check the conductivity of

each wire.

Yes

No

Operation

O.K.?

Replace the CPU Unit

Check output device

or Expansion I/O Unit

SOL1.

with the problem.

No

A

To next page

121

Image 132

Omron CPM1A operation manual 121

Contents

CPM1A CPM1A Programmable Controllers Omron Product References  Omron Table of Contents Appendices About this Manual Precautions General Precautions Safety PrecautionsIntended Audience Operating Environment Precautions Application Precautions Xiv Application Precautions Backup method Data EC Directives Applicable DirectivesConcepts Conformance to EC Directives Xviii Section CPM1A Features and Functions 1 CPM1A FeaturesSection Using the PT NT Link Communications CompoBus/S I/O Link UnitsStandard Peripheral Devices Programming is Possible 2 I/O Terminal and IR Bit Allocation CPU UnitsExpansion I/O Units Unit Relay output Transistor output Sink type Source type Control Corresponding IR word Setting range BCD 3 CPM1A FunctionsSet value Word Word 001 or later PC model Input bits Response time Mode Function PC model Input bits Min. input pulse width Pulse output single-phase output Temperature Sensor Unit Functions CompoBus/S Slave Functions CPM1A-SRT21 System Configuration CPU Unit and Expansion I/O Unit ConfigurationCPU Unit and Expansion Unit CPM1A CPU Units Expansion I/O Units Unit Max. number Inputs Outputs Model Units Host Link Communications Expansion Units Connecting to a Programmable Terminal One-to-one PC Link Communications Adapters and CablesName Usage Model number Name Specifications One-to-one NT Link CommunicationsCompoBus/S I/O Link Connections Peripheral Device Connections Sysmac Support Software SYSMAC-CPT Support Name Model number Revised Specifications Previous specifications New specifications Relevant pages Unit Specifications and Components Specifications General SpecificationsCPM1A-10CDR-j CPM1A-20CDR-j CPM1A-30CDR-j CPM1A-40CDR-j Characteristics Memory Backup 3 I/O Specifications CPU Unit Input SpecificationsIncrement Mode 5 kHz Max Specification Expansion I/O Unit Input Specifications CPU Unit and Expansion I/O Unit Output Specifications Relay Output Transistor Output Sink Type Transistor Output Source Type20EDT 8ET 10CDT1-D 20CDT1-D 30CDT1-D 40CDT1-D 20EDT1 8ET1 Communications Adapter Specifications RS-232C Adapter SpecificationsRS-422 Adapter Specifications Unit Components CPU Unit ComponentsCPM1A-10CDR-j/10CDT-D/10CDT1-D 10 I/O Terminals CPM1A-40CDR-j/40CDT-D/40CDT1-D 40 I/O Terminals Indicator Status Meaning Fatal error Input indicatorsCPU Unit Component Descriptions Expansion I/O Unit Components Expansion I/O Unit with 20 I/O TerminalsExpansion I/O Unit with 8 Input Terminals Expansion I/O Unit with 8 Output Terminals Temperature Sensor Unit Components Analog I/O Unit Components CPM1A-TS001/002 CPM1A-TS101/102Set value Thermocouple Range C Range F Set value Platinum resistance Range C Range F Pins Function CompoBus/S I/O Link Unit Components Communications Adapter Components RS-232C AdapterRS-422 Adapter Installation and Wiring Design Precautions Power Supply WiringPower Supply Voltage 4 CPM1A Power Interruptions Selecting an Installation Site Installation Site ConditionsMomentary Power Failure Detection Automatic Restart Panel/Cabinet Installation Overheating Installing the CPM1A 2 CPM1A Installation1 CPM1A Orientation Correct DIN Track Installation Connecting an Expansion I/O Unit InstallationRemoval Section Wiring and Connections General Precautions for WiringLine Noise Hanging Ducts Ground Wiring Floor DuctsConduits Grounding Crimp Connectors To 240-VAC Power Supply VDC Power Supply Input Wiring Input Configuration CPM1A-8ED Input Wiring Example Outputs Device Circuit diagram Input Devices Inductive Loads Output Wiring Relay Output Wiring Output Configurations CPM1A-8ER Transistor Output Wiring Sink Type CPM1A-8ET Transistor Output Wiring Source Type CPM1A-40CDT1-D Polarity of Power Supply for the Load Output Short Protection Inrush Current Considerations Fuse Insertion Peripheral Device Connection Host Link ConnectionsOne-to-one Host Link Connection One-to-N Host Link Connection RDB SDB RDA SDA One-to-one PC Link Connections One-to-one NT Link Connections C200HX/HG/HE PC Using Peripheral Devices SSS System Setup 2 CPM1A Restrictions and PrecautionsSupport Software Capabilities Offline Operations Online Editing Group Name Description Go To CopyFill Print File Time Chart PC SetupGroup Name Description Utility Data Area Lists Change Online Operations Offline and Online Operations Using a Programming Console Compatible Programming ConsolesCQM1-PRO01-E C200H-PRO27-E Mode Switch Buzzer VolumeDifferent Keys Contrast Control Changing the CPM1A’s Mode with the Mode Switch Program ModeMonitor Mode RUN Mode Connecting the Programming Console Panel Installation Entering the Password Preparation for Operation Program Password Program BZ Programming Console Operations Overview Clearing Memory All ClearPartial Clear Reading/Clearing Error Messages Buzzer OperationKey Sequence OFF Entering or Editing Programs Writing Hexadecimal, BCD Constant Writing a Word Address Writing an Unsigned Decimal Number #FFF6Writing a Word Address DM Instruction Search Bit Operand Search Inserting and Deleting Instructions Insertion00207INSERT END Not Deletion Checking the Program Delete END00178CIRCUIT ERR Corrected Program 11 Bit, Digit, Word Monitor Bit MonitorCont Word Monitor Multiple Address Monitoring Channel LRCLR Channel LR Differentiation Monitor Binary Monitor@OFF OFF OFF CLR OFF OFF OFF Three-word Monitor Signed Decimal Monitor Unsigned Decimal Monitor Changing Timer, Counter SV Three-word Data Modification3CH CHG? Hexadecimal, BCD Data Modification Inputting a New SV ConstantIncrementing and Decrementing a Constant Binary Data Modification Pres VAL?Montr Signed Decimal Data Modification D0000 Montr Force Set, Reset Unsigned Decimal Data Modification Clear Force Set/Reset Hex-ASCII Display ChangeOn on 00000FORCE RELE? Program Password Programming ExampleDisplaying the Cycle Time Preparatory Operations 00000MEMORY CLR? HR CNT DM Montr END HR CNT DM Programming Procedures Example Program Programming Procedures Inputting the One-second TimerInputting the Self-holding Bit Write NOP Inputting the Two-second Timer Inputting the 10-count Counter LD not Inputting the Flicker OutputInputting the END001 Instruction Test Run in Monitor Mode Monitor BZ Test Runs and Error Processing Initial System Checks and Test Run Procedure 2 CPM1A Test Run ProcedureInitial System Checks Points to check Flash Memory Precautions Error CPM1A Cycle Non-fatal Errors Fatal ErrorsSelf-diagnosis Functions Message FAL No Meaning and appropriate response Identifying Errors User-defined ErrorsError Messages Error Flags Programming Console Operation Errors Programming ErrorsFALS07 Message MSG46 Type Message Meaning and appropriate response Circuit ERR Troubleshooting Flowcharts Main Check Power Supply Check Fatal Error Check Follow the Memory Error Non-fatal Error Check 121 122 Environmental Conditions Check Memory Error Check Maintenance Inspections Power supply Allowable voltage fluctuation rangeInspection Items Inspection items Details Criteria Remarks Handling Precautions Necessary Tools for InspectionStandard Tools Measurement Devices Expansion Memory Unit Precautions OverviewMemory Areas Button Specifications and Nomenclature SpecificationsNomenclature LED Indicator HandlingMounting/Removing Eeprom Mounting Eeprom Peripheral Port Communications Settings PC ConnectionsCPM1, CPM1A, CPM2A CQM1, and SRM1 PCs Disconnecting Uploading Programs Operation Procedure Downloading Programs 134 135 Standard Models Expansion UnitsCPU Units Expansion I/O Units Temperature Sensor Units Description Specifications Model numberCompoBus/S I/O Link Unit Communications Adapters Name Appearance Model Number Specifications Peripheral Devices Dimensions CPM1A-10CDR-j/10CDT-D/10CDT1-D CPU UnitCPM1A-20CDR-j/20CDT-D/20CDT1-D CPU Unit CPM1A-30CDR-j/30CDT-D/30CDT1-D CPU Unit CPM1A-40CDR-j/40CDT-D/40CDT1-D CPU Unit CPM1A-20EDjExpansion I/O UnitCPM1A-8jjjExpansion I/O Unit CPM1A-TSjjjTemperature Sensor Unit CPM1A-MAD01 Analog I/O UnitCPM1A-SRT21 CompoBus/S I/O Link Unit CPM1-CIF01 RS-232C Adapter CPM1-CIF11 RS-422 Adapter Dimensions with Peripheral Devices Attached Appendix B ACP AsciiAUTOEXEC.BAT BCD Bit designator Bit numberBit-control instruction Block CONFIG.SYS CTS Default DIP switchData link Data link area Eeprom Eprom FCS Delay Initialization errorInput signal Install JIS LED LSS Not OFF PCB Prom RAMRAS ROM SCP SSS Syntax error System configurationSystem error System error message WDT Numbers Index 165 166 167 Revision code Date Revised content Revision History