# OPC DA COM module for communication

**URL:** <https://forum.inductiveautomation.com/t/opc-da-com-module-for-communication/42338>\
**Category:** Ignition\
**Created:** [January 17, 2021, 7:57pm UTC](https://forum.inductiveautomation.com/t/opc-da-com-module-for-communication/42338 "2021-01-17T19:57:41Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![rajesh190295c](https://avatars.discourse-cdn.com/v4/letter/r/ce73a5/32.png) [@rajesh190295c](https://forum.inductiveautomation.com/u/rajesh190295c)\
**Post date:** [January 17, 2021, 7:57pm UTC](https://forum.inductiveautomation.com/t/opc-da-com-module-for-communication/42338/1 "2021-01-17T19:57:41Z")

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Hi, I’m new to Ignition. I’m trying to connect the RSLogix 500 with Emulate 500 and Ignition through the OPC COM module.

Currently, I’m running ignition on my local machine and I have installed the 64-bit Core Component package. As per the documentation, it is mentioned that “OPC COM connection” should be available under “Create new OPC Connection” but I could only find the existing OPC UA connection available. Am I doing it the wrong way or is there any better way to establish the connection between RSLogix 500 with Emulate 500 and Ignition?

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**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [January 17, 2021, 9:25pm UTC](https://forum.inductiveautomation.com/t/opc-da-com-module-for-communication/42338/2 "2021-01-17T21:25:21Z")

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It sounds like you might not have the OPC COM module installed. You can download it here: [https://inductiveautomation.com/downloads/ignition/8.1.1](https://inductiveautomation.com/downloads/ignition/8.1.1)

Make sure to change the version from the drop down at the top of the page to match whatever you have installed.

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<div class="post-metadata">

**Author:** ![rajesh190295c](https://avatars.discourse-cdn.com/v4/letter/r/ce73a5/32.png) [@rajesh190295c](https://forum.inductiveautomation.com/u/rajesh190295c)\
**Post date:** [January 17, 2021, 9:57pm UTC](https://forum.inductiveautomation.com/t/opc-da-com-module-for-communication/42338/3 "2021-01-17T21:57:54Z")

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Thank you for the response. Downloaded the OPC COM module but RSLinx Classic (free version) which I’m using doesn’t seem to support OPC. Is there any other way I can pull the data out from the RSLogix 500 (with emulate 500) to Ignition like some other OPC servers that I can use?

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**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [January 17, 2021, 11:46pm UTC](https://forum.inductiveautomation.com/t/opc-da-com-module-for-communication/42338/4 "2021-01-17T23:46:18Z")

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Nothing I’m aware of, but maybe somebody else will chime in.

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [January 18, 2021, 12:43pm UTC](https://forum.inductiveautomation.com/t/opc-da-com-module-for-communication/42338/5 "2021-01-18T12:43:53Z")

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You’ll have to purchase a license for RSLinx Gateway. Rockwell does not have any automatic “trial” functionality.

(I keep a real SLC 5/05 in my lab to avoid these issues.)