# How to use acyclic services?

**URL:** <https://community.br-automation.com/t/how-to-use-acyclic-services/1119>\
**Category:** Controls & Vision\
**Tags:** x20, automation-runtime\
**Created:** [November 29, 2023, 10:52am UTC](https://community.br-automation.com/t/how-to-use-acyclic-services/1119 "2023-11-29T10:52:35Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![tommi.piiparinen](https://dub1.discourse-cdn.com/brcommunity/user_avatar/community.br-automation.com/tommi.piiparinen/32/2183_2.png) [@tommi.piiparinen](https://community.br-automation.com/u/tommi.piiparinen)\
**Post date:** [December 1, 2023, 10:20am UTC](https://community.br-automation.com/t/how-to-use-acyclic-services/1119/4 "2023-12-01T10:20:38Z")

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I have written a guide for easily determining the **“pDeviceName”**. Linking it here as it might be useful.

[https://community.br-automation.com/t/how-to-find-the-devicename-for-communication-library-function-blocks-slot-subslot-interface-nodenumber-channelnumber/](https://community.br-automation.com/t/how-to-find-the-devicename-for-communication-library-function-blocks-slot-subslot-interface-nodenumber-channelnumber/)

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_[View the full topic](https://community.br-automation.com/t/how-to-use-acyclic-services/1119)._