# Modbus TCP runtime ip

**URL:** <https://discourse.nodered.org/t/modbus-tcp-runtime-ip/58876>\
**Category:** General\
**Tags:** modbus\
**Created:** [23 February 2022 11:24 UTC](https://discourse.nodered.org/t/modbus-tcp-runtime-ip/58876 "2022-02-23T11:24:43Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![MauroS](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/mauros/32/57230_2.png) [@MauroS](https://discourse.nodered.org/u/MauroS)\
**Post date:** [23 February 2022 13:59 UTC](https://discourse.nodered.org/t/modbus-tcp-runtime-ip/58876/2 "2022-02-23T13:59:04Z")

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found this that could be related...

> [@IP Address as a variable](https://discourse.nodered.org/t/ip-address-as-a-variable/53225):
>
> I guess I'm reopening up my question from before: I am collecting data using Modbus TCP. I'd like the remain flexible and let the user enter their own IP address. it was brought up to use environmental variables. But maybe I'm not using the variable properly: I have a text entry and it's payload is set to $IP [image] Then under host I have this [image] calling the IP. [{"id":"dbf7fbb9.bab5b8","type":"tab","label":"Configuration","disabled":false,"info":""},{"id":"f5547811.4bbe48","typ…

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