Manuals / Bradley Smoker / Computer Equipment / Network Card

Bradley Smoker PLC-5 user manual Monitoring Data Sent without Acknowledgment

Models: PLC-5

1 388

Download 388 pages 13.97 Kb

Page 142

Image 142

9-10Communicating with Devices on a DH+ Link

Monitoring Data Sent without Acknowledgment

Status Field	Word(s)	Description
Received	35	Number of valid SDN messages received

Transmit failed	33	Number of SDN messages sent by the station that were in error
		This error should never be seen.

Transmit confirm	32	Number of valid SDN messages sent by the station

Publication 1785-UM012D-EN-P - July 2005

Page 142

Image 142

Bradley Smoker PLC-5 user manual Monitoring Data Sent without Acknowledgment, 10Communicating with Devices on a DH+ Link

Contents

Enhanced Ethernet PLC-5 Programmable Controllers Important User Information Is on Summary of ChangesAdditional Ethernet PLC-5 Controller Enhancement Publication 1785-UM012D-EN-P JulySummary of Changes Table of Contents Controller-Resident I/O MemoryChapter Communicating with ChapterExtended-Local I/O Communicating with a PLC-5 Adapter ChannelCommunicating with Devices on a DH+ Link Chapter Communicating with Devices on a Serial Link Protecting Your Programs Preparing Fault Routines Appendix a System Specifications Appendix B Processor Status FileAppendix C Appendix DAppendix E Switch Setting Reference Appendix F TroubleshootingAppendix G Cable Reference IndexRelated PLC-5 Documentation Publication Title Publication NumberTerm Definition Controllers in this manual onlyManual Overview This manual has three main sections Design Operate MaintainPreface Publication 1785-UM012D-EN-P July For Information About Using This Chapter Lay Out the SystemExtended-local I/O scanner For the Front Panels Identifying Controller ComponentsPLC-5/11, -5/20 and -5/26 controllers PLC-5/30 controllers Install memory module here Install battery here Keyswitch selects controller modeNo parity 4Understanding Your Programmable Controller Keyswitch selects controler modePLC-5/30 Controller Front Panell DF1 point-to-point One stop-bit 2400 bpsChannel 1B status indicator lights green and red Channel 2B status indicator lights green and redInstall memory module here PLC-5 family member designation PLC-5/20E Controller Front Panel External transceiver fuse Keyswitch selects controller modeConfigure this 3-pin port for 6Understanding Your Programmable ControllerPLC-5/40E and -5/80E Controller Front Panels PLC-5/40L and -5/60L Controller Front Panels Install battery here PLC-5 family member designation8Understanding Your Programmable Controller If You Want to This Capability Lets You MCPScanner-mode PLC-5 controller PLC-5/401771-ASB Remote I/O Link Cable Belden At housekeeping12Understanding Your Programmable Controller Controller transfers I/O data and status data usingConnect the controllers via the remote I/O link Publication 1785-UM012D-EN-P July Scanner 14Understanding Your Programmable ControllerSelecting I/O Modules Using This ChapterSelecting and Placing I/O Selecting I/O modulesExplanation Selecting I/O Module DensityChoose this Type Module ExamplesSelecting and Placing I/O Input Output4Selecting and Placing I/O Publication 1785-UM012D-EN-P July Placing System Hardware Acceptable Range102mm 51mm2 51mm Wiring Duct 102mm 153mm2Placing System Hardware Mount the I/O chassis horizontallyProtecting Your Controller Troubleshooting is convenientPreventing Electrostatic Discharge RFI, we recommend a steel enclosureRoute Conductors Laying Out Your Cable RacewayCategorize Conductors 4Placing System HardwareLaying Out Your Backpanel Spacing Chassis Dimensions Series BSide Chassis and External Power Supply Dimensions 6Placing System HardwareEnclosure Recommended Grounding Configuration for Remote I/O SystemsGround Bus To Grounding Electrode System 8Placing System Hardware Publication 1785-UM012D-EN-P July Addressing I/O and Controller Memory Classification Term Relation to Controller MemoryAddressing as It Relates to an I/O Terminal 2Addressing I/O and Controller MemoryChoosing an Addressing Mode Termi 16-point ExampleInput NalsController memory Rack Point ExamplePoint input module Group Point input module Point output module Word #Example of Efficient I/O Image Table Use 6Addressing I/O and Controller MemoryAddressing Block-Transfer Modules Addressing Mode GuidelinesAddressing Summary Use this table as a quick reference for addressingSlot Rack Racks 2 racks If Using this Slot Addressing Chassis Size ResultsAssigning Racks 8Addressing I/O and Controller MemoryWhen assigning remote I/O rack numbers, use these guidelines Controller memory is divided into two basic areas Formatted address Understanding Data Storage Data-Table FilesSpecify the file in which the data is stored Data, you specify it with a formatted address12Addressing I/O and Controller Memory Addressing File Types 14Addressing I/O and Controller Memory Words/1000 structures Structure1000words Accepts Any Understanding Program-File StorageValid Data Types/Values Are Program File Number of Words UsedSpecifying I/O Image Addresses AddressingValid formats for addressing data files are Specifying Logical Addresses Where IsTo Specify the Address of a Use these Parameters Word Level Example Bit Level Specifying Indirect AddressesTON, TOF, RTO Example Variable Explanation Source N710 N720 Specifying Indexed AddressesValue Base Address N115 N1115AUTO1 Specifying Symbolic AddressesLS1 SW1Optimizing Instruction Execution Time and Controller Memory 22Addressing I/O and Controller MemoryFollowing examples illustrate these concepts Effectively Using I/O Memory Use ApplicationConfiguring the system for controller-resident I/O Introduction to PLC-5 Controller ScanningProgram Scanning 2Communicating with Controller-Resident I/OTransferring Immediate I/O Requests Transferring Discrete Data to Controller-Resident I/OTransferring Data to Controller-Resident I/O Transferring Block-Transfer Data to Controller-Resident I/O 4Communicating with Controller-Resident I/OCommunicating with Remote I/O Configuring a controller channel as a scannerCommunicating to a remote I/O node adapter Can Connect Category Product Catalog NumberBlock-transfer data with remote I/O devices Introduction to Remote I/OAn example remote I/O system looks like this Designing a Remote I/O Link Transmission rate. Configure all devices on a remote I/O Network using a daisy chain or trunk line/drop lineConfiguration Link to communicate at the same transmission rateConfiguring a Controller Channel as a Scanner Catalog Number SeriesDefine an I/O Status File Specify Channel Configuration InformationSpecify the scan list Publication 1785-UM012D-EN-P July This Field Define By Doing the Following Diagnostic fileScanner mode link 57.6, 115.2, and 230.4 kbps Cursor to the field, type an integer file numberDo the Following Specify the Scan ListScan list includes the following For this Field Scan List Contains10Communicating with Remote I/O ASB Adapter Modules, Do the Following See Communicating to a Remote I/O Node AdapterRemote I/O Scan and Program Scan Loops Appendix ETroubleshooting Remote I/O Communication Difficulties 12Communicating with Remote I/ORacks Interrupt from STI or Fault RoutineRemote I/O Scan Extended Local Adapter used in the remote I/O scan is the 1771-ASBDescription Channel pairMinor fault bits set Block-Transfer Minor Fault BitsMinor Fault Description PLC-5 typeMaximum number of command blocksBlock-transfer module 16Communicating with Remote I/OPacket includes data if it is a block-transfer write Transfer readDoes the module respond? Block-Transfer Sequence with Status BitsYes Does this slot address Yes SeeYes Sets the done .DN bit Sets the error .ER bit Yes18Communicating with Remote I/O Go toBlock-Transfer Programming Considerations Retries request once more before setting the .ER bitGeneral Considerations For Controller-Resident Local Racks 20Communicating with Remote I/OMonitoring Remote I/O Scanner Channels Monitoring transmission retriesStatus Field Location Description Field indicating the rack was globally reset FaultReset Rack AddressMessages Tab Messages = SDA messages + SDN messages ErrorMessages sent with error Messages unable to receiveDefined I/O status file 24Communicating with Remote I/ON1547 Fault Bits Present Bits Fault Bits Not UsedReset and inhibit bits that correspond to each quarter When you use a ladder program or the software toInhibit and reset an I/O rack, you must set or clear Rack in a given chassis. Failure to set all the appropriateMonitoring remote I/O adapter channels Configuring communication to a PLC-5 adapter channelCommunicating with a PLC-5 Adapter Channel Monitoring the status of the supervisory controllerInto for the supervisory controller Configuring Communication to a PLC-5 Adapter Channel2Communicating with a PLC-5 Adapter Channel Controller Specify adapter settings Publication 1785-UM012D-EN-P JulyRemote I/O Adapter Damage can result Default is rackStatus information Cursor to the field and select the desired rateSpecify the Discrete Transfer Configuration Files 6Communicating with a PLC-5 Adapter Channel Discrete Data and Block-Transfer Status 8Communicating with a PLC-5 Adapter Channel Enter the word number decimal of the source data Input destinationEnter the file number decimal of the source data Adapter’s input file10Communicating with a PLC-5 Adapter Channel Programming Discrete Transfers Adapter ModeData to an Adapter Channel 0x7 N5115Configure Block-Transfer Requests Data Monitor screen Adapter Mode Configuration screen12Communicating with a PLC-5 Adapter Channel BT000000 BT010000 BT011000 BT011001 BT011040 Must MatchBT100 Has a length of 64 words Examples of Block-Transfer Ladder Logic 14Communicating with a PLC-5 Adapter ChannelBR0200 BWO200 PLC-5 adapter-mode processor is configured for rackCondition the use of BTR data with a data valid bit Data Not Valid BitWord For status Output File Input File Module 16Communicating with a PLC-5 Adapter ChannelLocations of module 0 and 1 data Status bits sent to scanner Monitoring the Status of the Adapter ChannelAdapter channel status When this Bits It Indicates Monitoring the Status of the Supervisory ControllerMonitoring Remote I/O Adapter Channels Messages received with errorAdapter Page Scanner Monitoring extended-local I/O status Configuring the controller as an extended-local I/OFor Information About Go to PLC-5/40L and -5/60L processorYou cannot connect two 2 m cables together. You would CablingForm a custom cable length. For example, if you have a Have to use the 5 m cable and have the extra 1 m as slackProcessor-resident local I/O racks Numbered 4, 5, 10, 11, 12,Transferring Data PLC-5/40L and -5/60L I/O Scanning and Update4Communicating with Extended-Local I/O Remote I/O Scan Extended Local I/O Data Exchange Image UpdateDiscrete Data Transfer PLC-5/40L and -5/60L Extended-Local I/O Scan TimeTransferring Block Data 6Communicating with Extended-Local I/OWhere Calculating Block-Transfer Completion TimeThis formula assumes Considerations for Extended-local Racks 8Communicating with Extended-Local I/OWant to get status information for that channel This Field Specifies Configure by Doing the FollowingScan list Channel I/O configuration ListRemote I/O Scan List vs Extended-local I/O Scan List Or 1/2-SlotSlot Logical rack Logical racks 11/2 logical rack 10Communicating with Extended-Local I/OAutomatically calculated based upon rack Valid rack entryAn asterisk * after a range indicates the last Monitoring Extended-Local I/O Status Switch settings on the adapters are set correctlyDisplay the new configuration when you save edits ScreenRetry Word Channel retry WordRetry counts Word Multiples Etc EntryPage Selecting devices that you can connect Link design Using the global status flag fileSelecting Devices That You Can Connect Estimating DH+ link performance Application guidelinesLink Design Serial port or a PLC-5 coprocessor, use channel 2 for Configuring the Channel for DH+ CommunicationYou must set switch assembly SW1 on the controller Better overall system performanceStatus information Words long Diagnostic file File containing the channel’sLink ID Local link where the channel Other used file. Unpredictable machine damage can resultSystem creates an integer file 64 words long Using the Global Status Flag FilePass data Information previously in this file is lost6Communicating with Devices on a DH+ Link Files are updated during housekeepingOctal N107 Octal N1010 Octal N1015 Octal N1030 Monitoring DH+ Communication Channels Monitoring messagesStatus Field Words Description Monitoring Data Sent with Acknowledgment Transmit confirm Need updates once per secondNoise or a cabling problem Transmit NAK fullMonitoring Data Sent without Acknowledgment 10Communicating with Devices on a DH+ LinkMonitoring General Status Started linear scan below for more information Noise or cabling problemsLinear scan failed Token retrySize and Number of Messages Sending Command Type Maximum Packet Station Size Data WordsNodes PLC-514Communicating with Devices on a DH+ Link Message DestinationCompletes the message transaction Station Internal Processing Time Number of Controllers Average DH+ Link Response Time Test Results16Communicating with Devices on a DH+ Link 50 W 100 W + 250 W X 500 W =WordsApplication Guidelines Number of ControllersPage Choosing Between This Is Normally Used When You MethodCommunicating with Devices on a Serial Link RS-423System Mode Using ChannelUser Mode 10-2Communicating with Devices on a Serial LinkDF1 Slave Mode Use this Mode ForDF1 Master Mode Point-to-PointMethod Option Name Principal Benefits Follow these guidelines Polling Inactive Priority StationsChanging Modes Port TransmissionDF1 slave 10-9 DF1 master 10-12 User mode Configuring ChannelConfigure Channel 0 for DF1 Point-to-Point If You Want to UseSerial Settings Option Settings DF1 EnqsOption is enabled Configure Channel 0 as a Slave StationSelect Enabled or Disabled To get status information for that channelDriver Error checking. CRC is more complete checkingSelect one of the following Station addressRTS signal RTS send delay Amount of time that elapsesSignal and the beginning Message ACK timeout Amount of time you wantConfigure Channel 0 as a Master Station 10-12Communicating with Devices on a Serial LinkRetried before being declared Enter a valid value RTS send delayOctal This time allows the modem toPolling Settings Transmit Message transmit Master messageIf you want the master station to Between Station PollsRemote stations Default size is 64 wordsDefault size is 18 words Priority poll fileNew remote station is polled Contains this InformationBeing polled, etc Word 2 through word10-18Communicating with Devices on a Serial Link Configure Channel 0 for User Mode Ascii ProtocolRemote mode change File containing the channel’s10-19 XON/XOFF If You Want To Select EnableDisable RemotelyMonitoring Channel 0 Status Using the System Mode Status Display10-22Communicating with Devices on a Serial Link Messages sent DCD recoverHigh DeviceUsing the User Mode Ascii Status Display Modem LinesConfiguring channel 2 for Ethernet communication Using This Chapter Media and CablingCommunicating with Devices on an Ethernet Network Assigning Your IP Address Manually Configuring ChannelNetwork Addressing 11-2Communicating with Devices on an Ethernet Network11-3 Ethernet Channel 2 Configuration Fields With programming software if Bootp is enabledBroadcast Address Using Bootp to Enter Configuration InformationNetwork This field is required when you Controller should respond11-6Communicating with Devices on an Ethernet Network Editing the Bootptab Configuration File Based on this configuration, the Bootptab file looks like 11-8Communicating with Devices on an Ethernet NetworkAdvanced Ethernet communications characteristics Using Broadcast AddressingIf Bootp is enabled, you can’t change any Broadcast addressing 11-9 Subnet masks and gateways 11-11Form C.dWhere a, b, c, d are between 0-255 decimalIf you change the default and need to reset it, type 11-10Communicating with Devices on an Ethernet NetworkIf You are Then See Using Subnet Masks and GatewaysUsing Bootp to configure Be sure Bootp is enabled 11-13 11-12Enter an address of the following form Subnet Mask Controller’s subnet maskSubnets Local subnetServer 130.151.194.xxx Ethernet TCP/IP network Personal computer WindowsOr HP 9000 or VAX computer 130.151.132.1Bootptab files that correspond to this example looks like 11-14Communicating with Devices on an Ethernet NetworkUsing Domain Name Service Using the Embedded Web Server 11-16Communicating with Devices on an Ethernet NetworkDiagnostic Information 11-18Communicating with Devices on an Ethernet Network This Counter Totals Session Table Connections This IndicatesApplication Memory 11-20Communicating with Devices on an Ethernet Network11-21 Generating User Provided Web Pages 11-22Communicating with Devices on an Ethernet NetworkOutput Timer Status Counter ControlTime values in T40 are!ABDTR-T40 Input image word is I0 is b!ABDTR-I0/b11-24Communicating with Devices on an Ethernet Network BCD Importing User Page Files to the PLC-5 Controller 11-26Communicating with Devices on an Ethernet Network11-27 11-28Communicating with Devices on an Ethernet Network 11-29 Following examples use this system configuration Multihop Examples11-31 Comparing Multihop and Non-Multihop Messages Over Ethernet Communicating with ControlLogix Devices11-32Communicating with Devices on an Ethernet Network Code Hexadecimal Description Interpreting Error CodesController sets the .ER bit and enters an error code Displayed on the data monitor screenActive screen Interpreting Ethernet Status DataF00A 11-34Communicating with Devices on an Ethernet NetworkMonitoring general Ethernet status Status Field Bytes Displays the NumberMonitoring Ethernet replies Monitoring Ethernet commands11-36Communicating with Devices on an Ethernet Network Performance Host to Ethernet PLC-5 Controller Ethernet PLC-5 Performance ConsiderationsPersonal Computer PLC-5 Controller Typed Write Packet Size 11-38Communicating with Devices on an Ethernet Network12-4 Using protected controllers 12-6Protecting Your Programs File Assigning a privilege class to a node 12-4Node privileges override the default privilege class ChannelWill be appropriate for a particular application Defining Privilege ClassesStructure Assigning a Privilege Class to a Channel or Offline File Assigning a Privilege Class to a Node12-4Protecting Your Programs 12-5 Page Forcing Inputs and Outputs Programming ConsiderationsForcing 13-11Forcing SFC Transitions Extended Forcing13-2Programming Considerations Non-block-transfer data. All non-block-transfer data That you include in the extended force configurationDo not use BTR data tables files to store Table as read data will be forced to zero duringForce Privileges Enabled 003 ms Disabled 0015 msIncreased Program Scan Time 13-4Programming ConsiderationsWith the Programming Software Using Protected ControllersSetting Up and Using Extended Forcing PackageSelect all of data file N11 Select Which Group of Data You Want to Force13-6Programming Considerations BTR #2 and ending at the end of BTR #4Forces Must be of Type B, A, N, or D Radix Force Screen Display Enable or Disable the ForcesUsing Extended Forcing with Time-Critical Applications BinaryEnable the BTW OTLUsing Special Programming Routines 13-10Programming ConsiderationsDeciding When to Use Special Routines Priority Scheduling for Interrupts and MCPsProgram Execution States 13-12Programming ConsiderationsRescheduling Operation An MCP, STI, PII Does the program fault?Program would be executing if it were of a higher priority Program can be 13-14Programming ConsiderationsI012 InterruptedPower-up routines Fault routines Defining and Programming Interrupt RoutinesPage If S26/1 is After power loss, the controller Preparing Power-Up RoutinesSetting Power-Up Protection SetFault or power-up condition Defining a Controller Power-Up ProcedurePortion of the fault routine associated with a particular Allowing or Inhibiting StartupUse this Bit 15..............0Page Understanding the Fault Routine Concept Preparing Fault RoutinesResponses to a Major Fault For Information About SeeGeneral FaultsUnderstanding It SetsFault in a Remote I/O Chassis Preparing Fault RoutinesHere are two programming methods you can use 15-4Preparing Fault RoutinesRemote inputs inactive Inputs15-5 To fault mode without completing the fault routine Programming a Fault RoutineAvoiding Multiple Watchdog Faults If You Encounter ThenFault. Be sure to examine the fault bit and correct Setting an AlarmClearing a Major Fault Cause of the fault before clearing itThen faults Example of Comparing a Major Fault Code with a ReferenceIf the Fault Routine Then the Controller 15-8Preparing Fault RoutinesChanging the Fault Routine from Ladder Logic Using Ladder Logic to Recover from a Fault Ways to Recover from a Rack Fault Method DescriptionTesting a Fault Routine Monitoring FaultsBlock-Transfers in Fault Routines You can Monitor DescriptionInterpreting Minor Faults Monitoring Major/Minor Faults and Fault CodesInterpreting Major Faults For a description of the major faults S11, see Appendix BPLC-5/11, -5/20, 5/20E PLC-5/30 PLC-5/40, -5/40L, 5/40E Monitoring Status BitsPLC-5/60, -5/60L, -5/80, 5/80E Page Consider Using this Technique If You are Using Main Control ProgramsSelecting Main Control Programs 16-2Using Main Control Programs MCPUsing Main Control Programs Configuring MCPsAn I/O update If the MCP is a Following OccursThis Field Do the Following Status File Monitoring MCPs Page Using a Selectable Timed Interrupt Using Selectable Timed InterruptsWriting STI Ladder Logic STI Application Example 17-2Using Selectable Timed InterruptsControl R60 Length Position Mode Block-Transfers in Selectable Timed Interrupts STIsDefining a Selectable Timed Interrupt Do the Following Status FileController uses the value in S30 to determine how often to STI. If you disable the STI write a 0 to S31,Monitoring Selectable Timed Interrupts Check for a non-zero value in S31Using a processor input interrupt Using Processor Input InterruptsUsing a Processor Input Interrupt 18-1PII Application Examples Mode DescriptionWriting PII Ladder Logic Two ways that you can use a PII programOutput image bit remains set until the next count Counter C40 Preset 100 AccumBlock-Transfers in Processor Input Interrupts PIIs C40.CU18-4Using Processor Input Interrupts Design ConsiderationsDefining a Controller Input Interrupt Monitoring Controller Input Interrupts This PII Field Stores AddressSystem Specifications Controller SpecificationsMaximum Maximum Number of I/O Cat. No Memory and Channel SpecificationsController Maximum Any MixCompatible Extended Local I/O PLC-5/80 100 K3 Any mix or PLC-5/60 64 K2 Any mix orCompatible PLC-5/60L 64 K2 Any mix or Compatible PLC-5/80E 100 K3 Any mix orAvailable Battery SpecificationsEeprom Compatibility Eeprom compatibility is related toArea Description 6System Specifications Publication 1785-UM012D-EN-P July This Word Stores Arithmetic flags Processor Status FileS0 S2 Step in an SFCThis Word Stores S2Switch setting information2Processor Status File S3-10 S11 This Fault Code Indicates this Fault Fault Is This word stores the following fault codesS12 You jumped to an invalid non-ladder file Error using SFR. This error occurs ifNon-recoverable. The fault For instruction with missing NXTPublication 1785-UM012D-EN-P July Service Recoverable8Processor Status File S13-S24 S26-S35 RUNS36-S78 S79-S127 Using program control instructions Using This Chapter Program ScanMaximizing System Performance Other instructions may have a greater or lesser effect Effects of Different Input States on Logic Scan TimeEffects of False Logic versus True Logic on Logic Scan Time If I000/00 is Then the Rung isEffects of Using Interrupts on Logic Scan Time Effects of Different Instructions on Logic Scan TimeOnline editing times for ladder programs are as follows Editing While in Remote Run ModeEffects of Housekeeping Time For this Editing Operation This Type Times are ProgramCard Backplane + Card Remote I/O Processor Delay Scan Time Using Global Status Flag FilesCalculating Throughput Remote I/O Scan Time Input and Output Modules Delay6Maximizing System Performance Time Rate kbps Communication RateNumber of Rack Entries 57.6 115.2 230.4Ms/Word Overhead ms Rate kbps Block-Transfers8Maximizing System Performance Optimizing Remote I/O Scan Time Calculating Worst-Case Remote I/O Scan TimeKbps Rack Words words No BTs 10Maximizing System Performance Maximum scan timeMinimum time to complete Update ImageController Time Block-transfer to all modules = 1 3D + 3BT = 3D + 3BTWorst-case controller time is Example CalculationVariable Value No impact 50 ms/Kwords Effect of Inserting Ladder Rungs at 56K-word LimitDown at the End of a Rungs Program File Remote block-transfersInstruction Consideration Using JMP/LBL InstructionsUsing FOR/NXT Instructions JMPIf You Want to Read About Instruction Set Quick ReferenceTiming and memory requirements for file program control, Relay Instructions TON Timer InstructionsInstruction Description TOFRES Counter InstructionsRTO CTULIM Compare InstructionsCTD MEQGEQ CMPEQU GRTACS Compute InstructionsCPT ADDATN ASNAVE COS CLRDIV 10Instruction Set Quick Reference MultiplyMUL SourceN70SIN NEGSQR SRT STDSUB To the power of Y XPYSubtract TangentLogical Instructions Convert to Degrees Conversion InstructionsDEG MOV Bit Modify and Move InstructionsRAD MVMFAL File InstructionsBTD FSCFile Fill File CopyCOP FLLFBC Diagnostic InstructionsDDT BSR Shift Register InstructionsBSL FFLLFU Sequencer InstructionsLFL SQIProgram Control Instructions RET JSRSBR AFIUID SFREOT UIEProcess Control, Message Instructions Block Transfer InstructionsBTW BTRRequeued Identifies the number of words in the transfer. aABL Ascii InstructionsACB AHL AEXAIC ARDAWA ASCASR AWTCategory Code Title Bit and Word InstructionsFloating Point True False FRD True FalseTOD LOGFile, Program Control, and Ascii Instructions Category Code Title Time ∝s Words Integer Floating PointCategory Code Title Time ∝s Words END ISA ACN ACIAHL ¡ Ascii AIC Write ASCII2 AWAWrite with append 38Instruction Set Quick ReferenceFor this Switch Setting Switch Setting ReferenceController’s DH+ address Switch Controller SwitchesChannel 1A RS-232C Off RS-422A RS-423 To Specify Set SwitchesFront Processor 12 3 4 5 6 7 8 9 Side View Chassis Backplane 4Switch Setting ReferencePLC-5 Controller in the I/O Chassis Off Slot At top on closed Pressed Always Off Switch Last StateAS or -ASB Switches Addressing Pressed Slot At bottom OFF open Not allowedSet Y when you install Chassis Configuration Plug6Switch Setting Reference Power supply moduleKbps First I/O Group NumberFirst I/O Group Number Rack Number see below see next Link Response8Switch Setting Reference RackSW-2 Not Used ALX Switch SW1Extended-Local I/O Adapter Module First I/O Group Number Rack NumberOn the 2 upper pins ALX Configuration PlugIf You are Using But Not Modules and any Addressing methodEntering run mode TroubleshootingFor Information About Troubleshooting Go to Unexpected PLC-5 controller operation whenPLC-5 Controller General ProblemsIndicator Color Description Recommended ActionForce CommColor Channel Mode Description Controller Communication Channel TroubleshootingDH+ Indicator Color Channel Mode Description Extended-Local I/O TroubleshootingEthernet Status Indicator Indicator Color Description Probable CauseRemote I/O System Ethernet Transmit LEDTroubleshooting F-7 Indicators are still blinking, checkMode adapter to Adapter moduleLine fault Off Module not Power supply fault Off Chassis fault Problem exists betweenProblem resulting from high noise.2 ConfigurationFault Rack Extended-Local I/O SystemThis Executes These Actions During Prescan Instruction Unexpected Operation when Entering Run ModeInstructions with Unique Prescan Operations AWT AWA ACB ABL AHL BTRSuggested Action MSG12Troubleshooting Publication 1785-UM012D-EN-P July Pin RS-232C RS-422A RS-423 Cable ReferenceShading indicates that the pin is reserved Serial Cable Pin Assignments 2Cable ReferenceConnecting Diagrams Terminal 1784-CAK KE Series B 1770-CD4Cable Reference Terminal Cable #2 1770-KF2 1784-CP5 1784-CP7For Use this Cable See Programming Cable SpecificationsCable 1784-CAK Connects 1785-KE to WorkstationT Blue Controller Pin D-Shell Workstation 6Cable ReferenceShield Clear Shield Blue PinPin D-Shell Female Position Terminal connector Blue Shield ClearTwinax Cable 10 ftPin D-Shell Workstation Female Controller DH+ 9-pin Cable 1784-PCM5 Controller to Workstation using a 1784-PCMK8Cable Reference Controller MaleCable Reference G-9 Table below describes Allen-Bradley transceiversCatalog Number Description Ethernet cable Transceivers and transceiver cables5810-TAM/A kit 5810-TC15/A5810-TAS/A kit 5810-TBS/A kit1771KRF 9-21771SN Numerics1784CP2 9-21784CP3 Extendedlocal I/O scanner configuration IP address 11-7usingUsing 6200 software 11-3using Bootp Serial 10-6troubleshooting F-4Connections Ethernet G-9 Data transfer 6-11blocktransferProgram state 13-12extendedlocal I/O Token passing 9-13transmission rate 9-4troubleshooting F-4Power supplies 3-6discrete data transfer Addressing 11-2advanced functionsClearing 6-10,8-11global status bits 15-11,15-13 Gapping 4-12gatewaysInterrupts C-3scheduling Communication F-4Ethernet F-5,F-6Prescan timing F-10program control D-22 Mnemonic 4-18specifyingOptimizing 4-22program files 4-15protection E-4 Passwords 12-2performanceChassis dimensions 3-5power supply dimensions Multiple chassis status bits 15-11,15-13Recover from rack fault 15-10terminal connections G-5 Mounting dimensions 3-6powerup routines 13-10,13-11,14-1Fault routines 15-6features Schemes 10-16techniquesSerial devices 10-1setting switches Performance 17-2program flow Specifications A-1specifications A-1Program files 4-15temperature Pointtopoint 10-3statusInput states C-2instructions C-3 Token passing 9-13transceivers G-9troubleshootingUser interrupts 13-14user mode 10-2,10-18 Influencing processor prioritiesIndex Publication 1785-UM012D-EN-P July Clarity CompletenessTechnical Accuracy Other CommentsBusiness Reply Mail Other CommentsPage Page Page New Product Satisfaction Return Installation AssistanceRockwell Automation Support

9-10Communicating with Devices on a DH+ Link

Monitoring Data Sent without Acknowledgment

Status Field

Description

Transmit failed

Transmit confirm

Publication 1785-UM012D-EN-P - July 2005