Question: What could have caused a communication failure via Elipse E3‘s OPC DA client? I suspect the server isn’t accepting the client’s authentication. In this example, I’m using GE’s B&R.DviOPC.2…
An OPC UA Driver implements a communication with an OPC UA server that implements historical and real-time readings, such as EPM. This object can be used as a data source…
Question: Is there any native OPC redundancy tool in the Elipse E3 OPC Driver? How can I use it? If there is none, how can I work around it? Solution:…
Question: What timestamp is used by TimeStamp property at Elipse E3/Power OPC Client tag? Solution: The timestamp used by this property is the same used one sent by the OPC…
Question: Why does the communication properly established via E3Studio fail at run time? Solution: A few reasons for communication failures at run time are: 1. The hardkey or softkey was…
Question: In an application designed to communicate with 1500 OPC tags, which of the following is the best option for the OPC client: several OPC groups with fewer tags (for…
Introduction Oftentimes, when developing applications with SCADA software, you will need to perform tests where I/O tags must be either forced or simulated. This article will show you how to…
Question: What are the advantages of communicating via OPC client/server? Solution: Some advantages of communicating via OPC are: Drivers’ easy configuration: once the tag base is created in the OPC…
Question: Why is an OPC tag imported from an E3 Server displayed as folder containing several properties? Solution: OPC tags are imported as folders containing its main properties. If necessary,…
Question: Why is OPC communication working properly in E3Studio, but not when being executed (even after DCOM has been set up)? Solution: This happens because the OPC Server cannot be…