Rslinx classic communications server has stopped working
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This is especially helpful when you're monitoring multiple machines or when you need to monitor a large volume of data. So what's the big deal about monitoring data in Excel? Well, you can now as a single individual develop the roadmap for rich visualizations of data from the PLC on near-realtime data. In this case, just ensure you have RSLinx open before launching your live data workbook. Another common error is opening the Excel workbook prior to launching RSLinx. If you fix an error, you may need to select the cell and press "F2" then "Enter" to get Excel to try the connection again. Make sure that RSLinx is running and that the Topic Name in Excel matches the name in RSLinx. If there is a problem with your formula, or the topic is not found in RSLinx, you may encounter an error. It is important to include the single quotes around the PLC tag name, as there are some tag types that have characters that will cause Excel to not allow the forumla unless it treats the tag name as a literal string (Ex: B3:0/12 in a SLC). In this formula, the "ABCD" corresponds to the name of the Topic we configured in RSLinx and the "'Test_DINT'" corresponds to the tag in the PLC we want to monitor. To simply monitor data, you just need to type the following in the formula bar of any cell =RSLINX|ABCD!'Test_DINT' Once this is done, and while RSLinx is still running, open Excel.
Rslinx classic communications server has stopped working driver#
In the pop-up, create a new topic give a name (Ex: ABCD), navigate in the "Data Source" tab to the PLC on the driver you have setup and click "Apply". Next, select the "DDE/OPC" dropdown and then "Topic Configuration". In RSLinx Classic Pro/OEM (Note: RSLinx Lite will not work for this) make sure you have a driver setup to communicate with your PLC. To allow monitoring the data, you will need to setup a few items first. When the need for monitoring is either time critical or doesn't meet the threshold for putting together a dashboard, Excel and RSLinx are here to rescue you. Even the quick watch area, as flexible as it is, doesn't provide for easily seeing what is happening with your data.įor most critical data, an HMI Screen or Web-based screen is a good option but these require significant time and effort on engineering, IT, and Operations to put in place. While the Controller Tags area allows for viewing tags online, it is somewhat limiting. Often times, I've found myself in the situation of needing to monitor a large amount of data from a PLC or similar data from many different PLCs. TL:DR - Use the DDE/OPC Topics in RSLinx to allow AB PLC data read/write from Excel to accelerate data monitoring on multiple machines or large datasets. This week's post is going to focus on Allen Bradley PLC data monitoring and writing in Excel. Last week's Sunday Solution post covered PLC change logging. Please click "report" on spam Related sub-reddits: (*) At mods' discretion, certain self-promotion submissions from people who contribute to this sub in other ways may be allowed and tagged with the "Self-promo" flair
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