Omron DR 170 14 Monitoring the Status of DAS Conversations, Using DDEStatus and IOStatus in Excel

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Klinkmann Automation Omron Ethernet DAServer

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YourOPCAccessPath is the assembly of hierarchy node names leading to a specific controller device.

$SYS$Status is the discrete item used to monitor the status of connectivity with the controller device.

Note: In the case of a PLC disconnect, the DAServer will retry three times before entering into slow poll mode. In the case of reply time-out, the DAServer will go into slow poll mode immediately.

Monitoring the Status of DAS Conversations

The InTouch WindowViewer supports built-in topic names, called DDEStatus and IOStatus, that can be used to monitor the status of specific DAS conversations.

For example, let us assume that WindowViewer (VIEW) is communicating with the Omron Ethernet DAServer to a PLC that has been defined in the DAServer with the topic name OmronPLC. The discrete items, DDEStatus and IOStatus, are set to:

0 (zero) when this DAS conversation failed.

1 (one) when this DAS conversation is successful.

Using DDEStatus and IOStatus in Excel

The status of communications between the PLC and InTouch can be read into Excel by entering the following DDE reference formula in a cell on a spreadsheet:

=viewDDEStatus!OmronPLC

or

=viewIOStatus!OmronPLC

where:

view is the name of the InTouch application.

[DDE][IO] Status is the built-in topic name used to monitor the status of communications between the DAServer and InTouch.

OmronPLC is the exact topic name defined in the server for the PLC.

Reading Values from the DAServer into Excel

Values may be read directly into Excel spreadsheets from the DAServer by entering a DDE formula into a cell using the following format:

=applicationname<devicegroup>!itemname

Example formula:

=DASOmronEthOmronPLC!'d100'

where:

DASOmronEth is the name of the DAServer application.

OmronPLC is the exact device group name defined in the DAServer for the PLC.

D100 is the actual location in the PLC that contains the data value. This is the item name.

Omron Ethernet DAServer Ver 1.x User Manual Rev 1.4

17014m14

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Contents Omron Ethernet Direct DAServer User’s Guide Ver 1.x Rev DR 170Contents Index ContentsAbout This User Guide Introduction OverviewSuiteLink Communication ProtocolsApplication Communications Protocols Accessing Items via the DAServer Fins Message CommunicationFastDDE NetDDEDDE/SuiteLink Features Demo ModeKlinkmann Automation Omron Ethernet DAServer Before starting the Omron Ethernet DAServer Ethernet Unit Configuration Example for CS1 PLC Klinkmann Automation Omron Ethernet DAServer Klinkmann Automation Omron Ethernet DAServer Klinkmann Automation Omron Ethernet DAServer Klinkmann Automation Omron Ethernet DAServer Comments on example program ladder diagram Example program for sending unsolicited data from PLCKlinkmann Automation Omron Ethernet DAServer Klinkmann Automation Omron Ethernet DAServer Getting Started Quickly with the DAServer To prepare the Omron Ethernet DAServerAdd Controller Object Configuring the DAServerNewSOCKET000 by default To prepare the Omron Ethernet DAServer Klinkmann Automation Omron Ethernet DAServer To create Socket objects from the Configuration branch DASOmronEth Hierarchy in the DAServer ManagerTo add Controller to your Omron Ethernet hierarchy Host Name IP AddrPort Number Klinkmann Automation Omron Ethernet DAServer Klinkmann Automation Omron Ethernet DAServer Klinkmann Automation Omron Ethernet DAServer Enabling Software License Key for DASOmronEth Configuring Device Group Definitions Device Group DefinitionsTo create or add device groups To make edits on device groupsKlinkmann Automation Omron Ethernet DAServer Scan-Based Message Handling To configure default update intervalsTo delete device groups Configuring Device Item Definitions Archiving Configuration SetsTo archive configuration sets To use different configuration sets from the current oneDevice Item Definitions Name Item ReferenceTo create or add device items To add item referencesHot Configuration Klinkmann Automation Omron Ethernet DAServer Item Name General Format PnSPnb or Pnbb or Pn.b or Pn.bb Pn-PhSBCD Format Long Format Signed/BCDFloating Point Format IEEE/BCD Ascii Strings FormatImortant Note ReadWrite = a CS1/CJ1 PLCs= a To M Klinkmann Automation Omron Ethernet DAServer C200HX/C200HG/C200HE PLCs CV-series PLCs PVS Flag or Bit Status Step StatusCPM2x PLCs Klinkmann Automation Omron Ethernet DAServer CQM1 PLCs DAServer Standard System Items System Item Type Description Values Name Access Rights DAServer Global System ItemDAServer Device-Specific System Items System Item Type Description ValuesKlinkmann Automation Omron Ethernet DAServer DAServer Device-Group-Specific System Items RangeRange Generic OPC Syntax AREA10.VESSEL1.TIC1.PLC.D100=DASOmronEthPLC!$SYS$Status YourOPCAccessPath.$SYS$StatusMonitoring Connectivity Status with the PLC Reading Values from the DAServer into Excel Using DDEStatus and IOStatus in ExcelMonitoring the Status of DAS Conversations Writing Values to the DAServer from Excel Channel=INITIATEapplicationname,topicname=POKEchannel,itemname, DataReference =TERMINATEchannelError Message Explanation Probable Cause Solution Log Flag Error Messages and CodesDAServer Error Messages Item Names Creating write Invalid value poked Check Item’s DASProtFail Data, received Take into DASProtWarn Server-Specific Error Codes Error code Logger Message Log FlagFins Response Codes Main Code Sub Probable Cause Remedy Log Flag HexKlinkmann Automation Omron Ethernet DAServer Klinkmann Automation Omron Ethernet DAServer Klinkmann Automation Omron Ethernet DAServer Klinkmann Automation Omron Ethernet DAServer DAServer Architecture DAServersPLC Protocol Layer Plug-insDAS Engine Component Environments Klinkmann Automation
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DR 170 14 specifications

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