# Modbus RTU Drexel & Weiss \<\> openHAB

**URL:** <https://community.openhab.org/t/modbus-rtu-drexel-weiss-openhab/22379>\
**Category:** Bindings\
**Created:** [February 8, 2017, 9:03am UTC](https://community.openhab.org/t/modbus-rtu-drexel-weiss-openhab/22379 "2017-02-08T09:03:41Z")\
**Posts on this page:** 1\
**Showing post:** 62

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**Author:** ![ssalonen](https://community.openhab.org/letter_avatar_proxy/v4/letter/s/76d3ee/32.png) [@ssalonen](https://community.openhab.org/u/ssalonen)\
**Post date:** [May 10, 2017, 5:17pm UTC](https://community.openhab.org/t/modbus-rtu-drexel-weiss-openhab/22379/62 "2017-05-10T17:17:38Z")

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Re caching : even restart might not be enough. Consult this post for more details how to clear the cache : [Modbus RTU openHAB binding Error - #4 by ssalonen](https://community.openhab.org/t/modbus-rtu-openhab-binding-error/27884/4)

Best  
Sami

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