Establishing DDE share names can be a time consuming process for the application, therefore, by default, NETDDE services are not enabled in LinkMaster.
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For DDE clients, LinkMaster will automatically start NETDDE services and register all of the required DDE shares, allowing remote DDE clients access to device data. In terms of OPC connections, LinkMaster will properly configure your DCOM settings to allow remote OPC clients to access and browse LinkMaster. Applies to versions 1.0, 1.1 OPC Aggregator Applies to all versions prior to build 6.9.584.0 Should a malicious actor gain access to the customer’s ThingWorx Kepware application and perform a successful attack, the customer may experience a crash of ThingWorx Kepware products. LinkMaster has been designed to allow both of these methods of remote server access. NETDDE allows a remote DDE client application to use the machine name of a remote DDE server when specifying a DDE link. Views 724 Views Difficulty level Intermediate Adam Levine, PTC. The foundation is a portfolio of great products from among others GE and Kepware. Provide a targeted learning experience for your organization by configuring a course in Precision LMS.
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This connectivity provides a single solution for collecting, aggregating, and providing secure access to industrial operations data. Kepware also releases a new warranty, support and upgrade program. All of the DDE formats supported by LinkMaster can also be accessed remotely using what is known as NETDDE. Kepware KEPServerEX is an industrial connectivity platform that allows you to connect to various devices which comprise of PLC, OPC Server, RTU, Database, as well as Sensor & Actuator like Modbus. DDE is not without its own means of allowing remote access.
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DCOM allows you to use a single OPC server to provide data to client applications running both locally and on remote machines.
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When the "Primary" node comes back up again, the "Secondary" node demotes itself and the "Primary" node performs the data transfer once again.īased on Microsoft's COM technology, OPC servers can share data with remote client applications using DCOM (Distributed COM). Kepware Technologies is a private software development company headquartered in Portland, Maine that focuses on communications for the Automation Industry. When the "Primary" node fails, the "Secondary" node promotes itself and takes over the role of the primary. This feature allows a pair of LinkMaster machines to operate in redundant pairs where one LinkMaster machine operates as the "Primary" node and the other as the "Secondary" node.