OPC Server & Gateways

FieldServer Technologies is a member of the OPC Foundation

A communications interface solution for OPC

Description: This OPC Server provides OPC access to FieldServers. The method of data transfer is called Data Array Access (DAA). Data Arrays are the internal data storage areas that reside within the FieldServers and are type specific. The source of the information in the Data Arrays can be any one of the standard FieldServer Drivers. It is incumbent on the user to configure the ports & the Map Descriptors on the FieldServer. The Map Descriptors are FieldServer objects containing polling instructions for a driver to copy data from the low level devices into a Data Array. One of the many advantages of this architecture is that it allows many disparate proprietary devices PLC/DCS’s etc. to share common data in a reliable embedded device (FieldServer) while providing access to the SCADA / PC application level via this OPC Server. Please refer to the FieldServer Documentation for instructions on configuration of the FieldServer.

Connection Notes:

Please read the FieldServer documentation, regarding the networking requirements of the FieldServer. From the PC side the TCP/IP networking needs to be correctly configured so that UDP packets can be sent / received from all FieldServers.

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