# One-off little machine counters into Ignition

**URL:** <https://forum.inductiveautomation.com/t/one-off-little-machine-counters-into-ignition/61452>\
**Category:** Ignition\
**Created:** [July 1, 2022, 8:31pm UTC](https://forum.inductiveautomation.com/t/one-off-little-machine-counters-into-ignition/61452 "2022-07-01T20:31:07Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![jlandwerlen](https://avatars.discourse-cdn.com/v4/letter/j/bc8723/32.png) [@jlandwerlen](https://forum.inductiveautomation.com/u/jlandwerlen)\
**Post date:** [July 1, 2022, 8:54pm UTC](https://forum.inductiveautomation.com/t/one-off-little-machine-counters-into-ignition/61452/2 "2022-07-01T20:54:16Z")

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I would consider the update/speed at which the switch switches. Personally I would wire to an input of a PLC and use a counter or other means to increment count, then send that value to tag history. If you miss counts you are still covered by accumulated value.

Then use something like this, [Tag history difference over interval - #2 by jlandwerlen](https://forum.inductiveautomation.com/t/tag-history-difference-over-interval/48366/2)

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