# OPC DA Client or Gateway

**URL:** <https://discourse.nodered.org/t/opc-da-client-or-gateway/8335>\
**Category:** General\
**Created:** [24 February 2019 18:35 UTC](https://discourse.nodered.org/t/opc-da-client-or-gateway/8335 "2019-02-24T18:35:47Z")\
**Posts on this page:** 1\
**Showing post:** 15

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**Author:** ![venkateshbokka232](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/venkateshbokka232/32/47611_2.png) [@venkateshbokka232](https://discourse.nodered.org/u/venkateshbokka232)\
**Post date:** [25 August 2021 17:50 UTC](https://discourse.nodered.org/t/opc-da-client-or-gateway/8335/15 "2021-08-25T17:50:08Z")

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do you have any document for communication between the mx opc da to opc da client . i tried in many ways but failed .can you please help on this

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