# Convert a floating data variable to holding register on a Modbus Server (Slave) TCP

**URL:** <https://discourse.nodered.org/t/convert-a-floating-data-variable-to-holding-register-on-a-modbus-server-slave-tcp/87507>\
**Category:** Industrial\
**Tags:** modbus\
**Created:** [26 April 2024 06:48 UTC](https://discourse.nodered.org/t/convert-a-floating-data-variable-to-holding-register-on-a-modbus-server-slave-tcp/87507 "2024-04-26T06:48:07Z")\
**Posts on this page:** 1\
**Showing post:** 11

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**Author:** ![Steve-Mcl](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/steve-mcl/32/4826_2.png) [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Post date:** [26 April 2024 19:56 UTC](https://discourse.nodered.org/t/convert-a-floating-data-variable-to-holding-register-on-a-modbus-server-slave-tcp/87507/11 "2024-04-26T19:56:42Z")

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> [@Steve-Mcl](#):
>
> I'm certain non of that is news to you but, I've seen first hand (and in a thread recently) where inputting values into the server via it's input is a bit odd

> [@Modbus Server not working](https://discourse.nodered.org/t/modbus-server-not-working/86502/6):
>
> Steve's method works +1 Updated the Test Flow to include a Modbus Write node instead [{"id":"a58ce8e2.9210d8","type":"debug","z":"937cb040.d8e16","name":"coils Buffer","active":false,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload","targetType":"msg","statusVal":"","statusType":"auto","x":900,"y":100,"wires":[]},{"id":"c45f9a38fafeea33","type":"debug","z":"937cb040.d8e16","name":"holding Buffer","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":…

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