OPC XML DA Client _Legacy

This document has only the specific information about the device connection settings and its address syntax.

Refer to the User Guide for more information on the Device Module.

Summary

OPC Xml/DA Client implements communication with local and remote OPC servers. The communications blocks are dynamically created according to the pooling cycle defined on the Access Type for each Device Point.

Channels Configuration

There is no channel configuration for OPC Xml/DA Client channels.

Node Configuration

Station Configuration

• Service URL: Defines the location of the OPC Server. Example: OPCDAServer.2, \\192.168.1.201\ OPCDAServer.2, http://192.168.1.2:4200
• Refresh Rate: Server update rate.
• AllItemsSameGroup: Flag indicating whether driver should add all items at the same OPC group and only one connection is created with OPC Server.
• EnableReadPolling: Flag indicating whether reading is by polling.
• ReadFromDevice: Force all reads made from device.
• UseTimestampFromComputer: Use timestamp from computer instead of device.

Points Configuration

• Choose the OPCServer item that will communicate with the tag.
• You can type the OPC Server item name into the textbox, or you can browse the OPC Server items with the cell editor.
• OPC Arrays: You should configure the Array field in Modifiers column.

Troubleshoot

Please, consult your OPC Server documentation for the protocol specific error codes.

Driver Revision History

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