Black Box GEH-6510 Chapter Five Troubleshooting, Trouble-Shooting the Pmcs DDE Server, WWLogger

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Chapter Five - Troubleshooting

Trouble-Shooting the PMCS DDE Server

This section provides you with some simple steps that can be taken to isolate and correct communication problems. The problems described here represent the most probable causes of communication failure.

NOTE: This is a general trouble-shooting guide – it does not cover every possible source of conflict. If you still cannot establish communications after reading this section, call the GE Resolution Center, at 1-888-GE-RESOLV.

WWLogger

WWLogger is a software application that is included with the PMCS installation. It is installed with Wonderware Intouch and is found in the <INTOUCH> /Common directory, and can be used for diagnostics purposes It is installed with PMCS Cimpliciy version in GE_PMCS\Server\ The WWLogger application tracks all error messages generated by DDE communications or Server to device communications. Obviously this can be of tremendous value for trouble-shooting purposes. The messages tracked by WWLogger describe the application and topic or device that caused a given error. This information can then be used to diagnose and correct the cause of the error.

If you are experiencing trouble, launch WWLogger, and attempt to reproduce the error condition. You can then use the error messages displayed by WWLogger to troubleshoot your problem.

Error messages that may be encountered in the WWLogger are listed at the end of this chapter, in the section titled Error Messages.

54 • Chapter Five - Troubleshooting

DDE Server User’s Guide

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Contents Power Leader TM DMMS425 Back to Main Menu Contents Glossary of Terms This page left blank intentionally Welcome Chapter One IntroductionAbout NetDDE About DDEAbout the Pmcs DDE Server InstallationEI User’s only Server with OPC InterfacesChapter One Introduction DDE Server User’s Guide Running Pmcs DDE Server as an NT Service About Pmcs Chapter Two OverviewChapter Two Overview DDE Server User’s Guide Sample register map DevicesPmcs DDE Server NetworksClient Applications What’s NextDevice Configuration First-Time ConfigurationChapter Three Getting Started IntroductionWhat’s on the DDE Server Screen? Launching the ProgramMenu Conventions Menu BarConfiguring Communication ports EPM 7700 Xpress Card or Xplex 1620 Max Server Users Ethernet Users OnlyChapter Three Getting Started DDE Server User’s Guide Modbus TCP/IP Server Users Chapter Three Getting Started DDE Server User’s Guide Configuring the Devices Device Name Topic Com Port Starting the ServerDisplaying I/O Traffic DDE Server User’s Guide Chapter Three Getting Started NetDDE Setup Automatic NetDDE Setup VNDDE.EXE OverviewUtility Tips on using VNDDE.EXE VNDDE.EXE Error MessagesResults Trouble-Shooting VNDDE.EXE Manual NetDDE SetupVNDDE.EXE FAQ’s Additional HelpChapter Three Getting Started DDE Server User’s Guide DDE Server User’s Guide Chapter Three Getting Started Chapter Three Getting Started DDE Server User’s Guide This page left blank intentionally System Menu Chapter Four Menus and ToolbarsServer Menu RunStop Suspend Protocol/Resume Protocol View MenuPrint I/O Traffic ExitTraffic Display DisplayColor Add Device BackgroundClear Display DeleteRegister groups for display Configuration Configure MenuSave Display To File Port StatisticsPorts Modbus or EI ConfigureDDE Server User’s Guide Chapter Four Menus and Toolbars Ethernet Gateway Users Ports Ethernet onlyEPM 7700 Xpress Card or Xplex 1620 Max Server Users Chapter Four Menus and Toolbars DDE Server User’s Guide Modbus TCP/IP Server Users Chapter Four Menus and Toolbars DDE Server User’s Guide Device Info AddChapter Four Menus and Toolbars DDE Server User’s Guide Delete ModifyActivate checkbox Device Type InformationGeneric Comm Interface DDE Server User’s Guide Chapter Four Menus and Toolbars Active Links Reports MenuToolbar Help MenuChapter Five Troubleshooting Trouble-Shooting the Pmcs DDE ServerWWLogger Communications Client to Server Communications Server to Device NetDDE Trouble-Shooting Trouble-Shooting Flowchart Error Messages Trouble-Shooting ChartCServerAppOnDeleteDev Invalid toolkit index Device device name Active Failed to delete itemlogical device handle, Protocol Handle No Write to Individual Discrete Bits Device type device type name is not a valid type for topic This page left blank intentionally Device Type Information Adding Generic Devices Chapter Six Advanced OptionsAdd Default Type Function Codes Register Map Type Code Type of Register Supported Function Codes Use Adding a Register GroupDDE Server User’s Guide Chapter Six Advanced Options Invalid Register Blocks Deleting an Invalid Register Block Modifying an Invalid Register BlockDeleting a Register Group Modifying a Register GroupImporting or Exporting a Register Group MnemonicsModifying a Mnemonic Adding a MnemonicDeleting a Mnemonic Importing or Exporting MnemonicsOptimizing Server Performance Protocol Timer TickServer Operational Parameters Valid Data Time-outPmcs DDE Server .ini File Communication Time-outSlow Poll Count Dead Device Scan Interval Maximum Query RetriesSleepTime For Exception TimeDownLoad PeriodUIHide ExitDisableData-Addressing Conventions Appendix a Register Addressing ConventionsData Types Standard Data OrganizationSpecial Naming Conventions ExamplesLong Words and Special Numbers XnnnnDL-B Individual Bits In RegistersRegister Array Format This page left blank intentionally Terms You Should Know Glossary of TermsGlossary of Terms DDE Server User’s Guide Index GE Industrial Systems