# Historian and Sparkplug-B

**URL:** <https://forum.inductiveautomation.com/t/historian-and-sparkplug-b/28709>\
**Category:** Ignition\
**Created:** [October 1, 2019, 5:19pm UTC](https://forum.inductiveautomation.com/t/historian-and-sparkplug-b/28709 "2019-10-01T17:19:37Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![mazeyrat](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/mazeyrat/32/10955_2.png) [@mazeyrat](https://forum.inductiveautomation.com/u/mazeyrat)\
**Post date:** [October 5, 2019, 5:07pm UTC](https://forum.inductiveautomation.com/t/historian-and-sparkplug-b/28709/8 "2019-10-05T17:07:30Z")

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@wes0johnson, @Kevin.Herron

I don't think we can manage the deadbands on opcua tag in Ignition 8.0 ?

> [@OPC Subcription Settings](http://forum.inductiveautomation.com/t/opc-subcription-settings/10876):
>
> Does Ignitions OPC UA client support more advanced subscription/monitoring settings such as: Queue Size Discard oldest objects Data change filters Data change triggers options (Status/Value/Timestamp) Deadband Type: Absolute/Percent Deadband value These are very nice features to reduce network bandwidth between the OPC server and client as well as system utilization of processing new values. It lets the OPC server handle the bulk of the work load as it should. A great free test OPC UA c…

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