Beginner guide (986746), страница 4
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Determine the Sequence of Operation by Drawing the Flowchart.StartButtonPressedNoSTOP CONDITION:Arm rotates ClockwiseSOL1YesArmAtLS1At ant time,STOP BUTTON ispressed, the ARM stopwhere it is.NoUpon pressing startButton, the arm continuesConveyor A ONYesPhoto Eye SenseWorkpieceNoConveyor A OFFArm Grasp WorkYesIsLS3ONNoArm Rotates CounterclockwiseSOL2YesArmAtLS2NoRelease WorkpieceYesIsLS3OFFYes1-181.INTRODUCTION2.
Assignment of I/OINPUT000000000100002000030000400005000063.DESCRIPTIONstart push buttonLS 1LS 2LS 3PH 1stop buttonreset buttonOUTPUT1000100110021003DESCRIPTIONSOL 1SOL 2SOL 3Conveyor AWriting the ProgramLadder Diagram : Main 1 Network 1Main 1 – Robot controlThis program demonstrates that the robot picks up a work piece from conveyor A and places it on conveyor B.Network 1 – Start condition000.00200.03200.00Start200.00StartNetwork 2 – Arm clockwise200.00000.02010.01010.00LS2ArmanticlkwiseArmclkwise000.01010.02010.03LS1GraspConveyor_ANetwork 3 – Conveyor A200.00Network 4 – Grasp010.03000.04Conveyor_APH1200.01010.02Grasp010.02GraspNetwork 5 – Arm anticlockwise010.02000.03GraspLS3200.02200.03200.04010.01Armanticlkwise010.01ArmanticlkwiseNetwork 6 – Release part1-191.INTRODUCTION010.01000.02ArmticlkwiseNetwork 7 – Release CYCLELS2200.01000.03200.01200.02LS3Network 8 – Stop condition000.05200.04200.03000.06200.04Stop200.03Network 9 – Reset conditionReset after stop200.03ResetNetwork 10 – EndEnd (01)1-201.•INTRODUCTIONInitial System ChecksCheck the following items after setting up and wiring the PLC.
Be sure to check the wiring andconnections before performing a test run.ItemPower supply andI/O connectionsConnecting cables•Points to CheckIs the wiring correct?Are the terminals securely tightened?Are there any shorts between crimp connectors or wires?Are the cables all connected correctly and locked?Test run Procedure1.Power Supply Applicationa) Check the PLC’s power supply voltage and terminals connections.b) Check the I/O devices’ power supply voltage and terminal connections.c) Turn on the power supply and check that the “POWER” indicator illuminates.d) Use a Peripheral Device or Syswin to set the CPM1A to PROGRAM mode.2.I/O Wiring Checksa) With the CPM1A in PROGRAM mode, check the output wiring by turning on the outputbits with the force set and force reset operations.b) Check the input wiring with the PLC’s input indicators or a Peripheral Device’s monitoroperations.3.Test Runa) Use a Peripheral Device to set the PLC to RUN or MONITOR mode and check that the“RUN” indicator lights up.b) Check the sequence of operation with the force set/reset operations, etc.4.DebuggingCorrect any programming errors that are detected.5.Saving the Programa) Use Syswin to save the program to disk.b) Print out a hard copy of the program with a printer.1-212.qSYSTEM CONFIGURATIONCPU ComponentsCPM1A-10CDRCPM1A-20CDR-CPM1A-30CDR-12.
Expansion I/O unitConnectorCPM1A-40CDR-12. Expansion I/O unitConnector2-12.•SYSTEM CONFIGURATIONPLC Status IndicatorsIndicatorPWR (green)RUN (green)ERR/ALM (red)COMM (orange)•StatusONOFFONOFFONFlashingOFFONOFFMeaningPower is being supplied to the PLC.Power isn’t being supplied to the PLC.The PLC is operating in RUN or MONITPR mode.The PLC is in PROGRAM mode or a fatal error hasoccurred.A fatal error has occurred.
(PLC operation stops.)A non-fatal error has occurred. (PLC operationcontinues.)Indicates normal operation.Data is being transferred via the Peripheral Port.Data isn’t being transferred via the Peripheral Port.Input IndicatorsThese indicators are lit when the corresponding input terminal is ON.When a fatal error occurs, the input indicators change as follows:CPU error or I/O bus error:The input indicators turn OFFMemory error or system error:The input indicators maintain their status before the erroroccurred, even if the input status is changed.•Output IndicatorsThese indicators are lit when the output relays are turned on.2-22.qSYSTEM CONFIGURATIONCPM2A CPU ComponentsCPM2A-30CD[]-[]CPM2A-40 CD[]-[]Expansion I/OUnit ConnectorCPM2A-60 CD[]-[]Expansion I/OUnit Connector2-32.•SYSTEM CONFIGURATIONPLC Status IndicatorsIndicatorPWR (green)RUN (green)StatusONOFFONOFFERR/ALM (red)ONFlashingCOMM.
(orange)ONOFF•MeaningPower is being supplied to the PLC.Power isn’t being supplied to the PLC.The PLC is operating in RUN or MONITOR mode.The PLC is in PROGRAM mode or a fatal error hasoccurred.A fatal error has occurred. (PLC operation stops.)A non-fatal error has occurred. (PLC operationcontinues).Data is being transferred via the Peripheral Port orRS-232C port.Data isn’t being transferred via the Peripheral Port orRS-232C port.Input IndicatorsThese indicators are lit when the corresponding input terminal is ON.When a fatal error occurs, the input indicators change as follows:CPU error or I/O bus error:The input indicators turn OFFMemory error or system error: The input indicators will change with the status of the input signal,but inputs will not be updated in memory.•Output IndicatorsThese indicators are lit when the output relays are turned on. The indicators are lit during I/Orefreshing.
When pulse outputs are being used, the indicator will remain lit continuously while thepulses are being output.•Analog ControlTurn these controls to change the analog setting (0 to 200) in IR 250 and IR 251.•Peripheral PortConnects the PLC to a Programming Device (including Programming Consoles), host computer, orstandard external device.2-42.•SYSTEM CONFIGURATIONRS-232C PortConnects the PLC to a programming Device (excluding Programming Consoles), host computers,Programmable Terminal, or standard external device.•Communication SettingThis switch selects whether the Peripheral port and RS-232C port will use the communicationssetting in the PC Setup or the standard settings.OFF: The Peripheral Port and RS-232C port operate according to the communication setting in thesetup, except for a Programming Console connected to the Peripheral port.ON: The Peripheral Port and RS-232C port operate according to the standard communicationssettings, except for a Programming Console connected to the Peripheral port.•BatteryThis battery backs up the memory in the CPU Unit and is connected when the Unit is shipped.•Expansion ConnectorConnects the PLC’s CPU unit to the Expansion Unit (Expansion I/O unit, Analog I/O unit, or theCompoBus/S I/O Link Unit.) Up to 3 Expansion Units can be connected to a CPU unit.2-52.•SYSTEM CONFIGURATIONExpansion I/O Unit ComponentsThe expansion units are shared between CPM1A and CPM2A.Expansion I/O with 20 I/O Terminals• CPM1A-20EDR• CPM1A-20EDT• CPM1A-20EDT1Expansion I/O with 8 Input TerminalsCPM1A-8ED2-62.SYSTEM CONFIGURATIONExpansion I/O with 8 Output Terminals• CPM1A-8ER• CPM1A-8ET• CPM1A-8ET11.Input TerminalsConnect to the input circuits.2.Output TerminalsConnect to the output circuits.3.Input IndicatorsThese indicators are lit when the corresponding input terminal is ON.4.Output IndicatorsThese indicators are lit when the corresponding output terminal is ON.5.Expansion I/O Unit Connecting CableConnects the Expansion I/O Unit to the Expansion Connector on the PLC’s CPU Unit oranother Expansion I/O Unit.6.Expansion ConnectorConnects to another Expansion unit (Expansion I/O Unit, Analog I/O Unit, or CompoBus/S I/OLink Unit).
Up to three Expansion Units can be connected to a CPU Unit.2-72.SYSTEM CONFIGURATIONAnalog I/O Unit ComponentsCPM1A-MAD011.Analog TerminalsConnects the unit to analog input devices and analog output devices.2.Expansion I/O unit Connecting CableConnects the Analog I/O unit to the Expansion Connector on the PLC’s CPU Unit or anotherExpansion Unit.3.Expansion ConnectorConnects to another Expansion Unit (Expansion I/O Unit, Analog Unit, or CompoBus/S I/OLink Unit). Up to 3 Expansion Unit can be connected to a CPU unit.CompoBus/S TerminalsCPM1A-SRT212-82.SYSTEM CONFIGURATION1.CompoBus/S Terminals2.Dip SwitchThe DIP switch sets the Unit’s node number of CompoBus/S remote I/O network anddetermines whether or not the outputs will be cleared in the event of a communications error.3.LED IndicatorsThese indicators show the status of the CompoBus/S communications.4.Expansion I/O Unit Connecting cableConnects the CompoBus/s I/O Link Unit to the Expansion connector on the PLC’s CPU Unit oranother Expansion unit.5.Expansion ConnectorConnects to another Expansion Unit (Expansion I/O Unit, Analog I/O Unit, or CompoBus/S I/OLink Unit).
Up to three Expansion Units can be connected to a CPU Unit.CPU and Expansion I/O Unit ConfigurationThe following table describes the CPM1A CPUs. All outputs are relay outputs.The following table describes the six CPM1A CPUs. All outputs are relay outputs.Number of I/Oterminals10InputsOutputs6 points4 points2012 points8 points3018 points12 points4024 points16 pointsPowersupplyACDCACDCACDCACDCModel numberCPM1A-10CDR-ACPM1A-10CDR-DCPM1A-20CDR-ACPM1A-20CDR-DCPM1A-30CDR-ACPM1A-30CDR-DCPM1A-40CDR-ACPM1A-40CDR-D2-92.SYSTEM CONFIGURATIONThe following table describes the CPM2A CPUs.Number of I/Oterminals30InputsOutputs18 points12 points4024 points16 points6036 points24 pointsPowersupplyACDCDCDCACDCDCDCACDCDCDCModel numberCPM2A-30CDR-ACPM2A-30CDR-DCPM2A-30CDT-DCPM2A-30CDT1-DCPM2A-40CDR-ACPM2A-40CDR-DCPM2A-40CDT-DCPM2A-40CDT1-DCPM2A-60CDR-ACPM2A-60CDR-DCPM2A-60CDT-DCPM2A-60CDT1-DThe following table describes the expansion unit shared by CPM1A and CPM2A.Number of I/Oterminals20InputsOutputs12 points8 pointsPowersupplyDC888 points0 point0 points8 pointsDCDC162 Analog8 points1 Analog8 pointsDCDCModel numberCPM1A-EDRCPM1A-EDTCPM1A-EDT1CPM1A-8EDCPM1A-8ERCPM1A-8ETCPM1A-8ET1CPM1A-MAD01CPM1A-SRT212-102.qSYSTEM CONFIGURATIONHost Link Communications (CPM1A)Host Link communications allows up to 32 OMRON PCs to be controlled from a single hostcomputer.
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