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Fred-974

CX-SUPERVISOR with Allen_Bradley

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I have an HMI to do with Omron and Allen-Bradley plc. I would like to use CX-Supervisor, but I'm not able to get data from AB. I have RS Linx installed and I can get data from AB in Excel, but not in CX-Supervisor. In CX-Supervisor, I created a point from DDE Server Name: RSLinx Topic Name: "project name in RSLinx" (same as Excel) Adress Name: "adress of the point" (same as Excel) Array size: 1 Should I be able to get data from AB and how? Thank you

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Which version of Linx are you trying to use? To use RSLinx as a DDE server, it has to be one of the "licensed" versions. Not "Linx-Lite" that tags along with one of the RSLogix packages.

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Usually you use OPC to connect an HMI product to RSLinx, rather than DDE, but the syntax is the same. Because you can get a DDE link to Excel to work correctly, you definitely have an OPC-capable license of RSLinx (either Professional or Gateway). Test your OPC connectivity with the OPC Quick Client that is bundled with RSLinx. Is the CX-SUPERVISOR program on the same PC as RSLinx, or are you trying to do this over a network ?

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RS-Linx version is 2.41 Yes, CX-Supersvisor and RS-Linx are on the same PC. The AB plc is over a 56k modem, but it is not important. We should make test with OPC soon and let you know. Thank you

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We found the answer in a previous post and it works http://forums.mrplc.com/index.php?showtopic=1676 Thank you

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