# Modbus Server Flex Swapping Endiens

**URL:** <https://discourse.nodered.org/t/modbus-server-flex-swapping-endiens/86825>\
**Category:** General\
**Tags:** modbus\
**Created:** [28 March 2024 10:02 UTC](https://discourse.nodered.org/t/modbus-server-flex-swapping-endiens/86825 "2024-03-28T10:02:46Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![bceyresy](https://avatars.discourse-cdn.com/v4/letter/b/7c8e57/32.png) [@bceyresy](https://discourse.nodered.org/u/bceyresy)\
**Post date:** [28 March 2024 10:02 UTC](https://discourse.nodered.org/t/modbus-server-flex-swapping-endiens/86825/1 "2024-03-28T10:02:46Z")

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Hi, i have a project which requires a modbus slave, the default format is little endien. is there a way to change this to just a signed value or to a big endien ?

thanks

Symon

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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:** [7 April 2024 09:09 UTC](https://discourse.nodered.org/t/modbus-server-flex-swapping-endiens/86825/2 "2024-04-07T09:09:12Z")

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[node-red-contrib-buffer-parser](https://flows.nodered.org/node/node-red-contrib-buffer-parser) can help you here.

> A pair of [Node-RED](http://nodered.org/) nodes to convert values to and from buffer/array. Supports Big/Little Endian, BCD, byte swapping and much more.

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [6 July 2024 09:09 UTC](https://discourse.nodered.org/t/modbus-server-flex-swapping-endiens/86825/3 "2024-07-06T09:09:34Z")

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