---
title: "RP2040で動作するModbusTCPSlaveを作成してみました。(Attempted to create a ModbusTCPSlave that works on the RP 2040.)"
url: "https://maker.wiznet.io/scarlet/projects/rp2040%E3%81%A7%E5%8B%95%E4%BD%9C%E3%81%99%E3%82%8Bmodbustcpslave%E3%82%92%E4%BD%9C%E6%88%90%E3%81%97%E3%81%A6%E3%81%BF%E3%81%BE%E3%81%97%E3%81%9F%E3%80%82-attempted-to-create-a-modbustcpslave-that-works-on-the-rp-2040/"
markdown_url: "https://maker.wiznet.io/scarlet/projects/rp2040%E3%81%A7%E5%8B%95%E4%BD%9C%E3%81%99%E3%82%8Bmodbustcpslave%E3%82%92%E4%BD%9C%E6%88%90%E3%81%97%E3%81%A6%E3%81%BF%E3%81%BE%E3%81%97%E3%81%9F%E3%80%82-attempted-to-create-a-modbustcpslave-that-works-on-the-rp-2040/md"
type: "UCC: User Created Content"
author: "toolsbox"
author_url: "https://www.toolsbox.biz/nonsense/RP2040/ModbusSlave.html"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "toolsbox"
original_url: "https://www.toolsbox.biz/nonsense/RP2040/ModbusSlave.html"
published: "2023-03-03"
language: "en"
hardware: ["WIZnet WIZ550io"]
likes: 5
views: 170
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# RP2040で動作するModbusTCPSlaveを作成してみました。(Attempted to create a ModbusTCPSlave that works on the RP 2040.)

> RP2040で動作するModbusTCPSlaveを作成してみました。(Attempted to create a ModbusTCPSlave that works on the RP 2040.)

Original author: toolsbox (source: https://www.toolsbox.biz/nonsense/RP2040/ModbusSlave.html)

## Components

- **WIZnet WIZ550io** x 1 ([docs](https://docs.wiznet.io/Product/ioModule/wiz550io))

---

Source: https://maker.wiznet.io/scarlet/projects/rp2040%E3%81%A7%E5%8B%95%E4%BD%9C%E3%81%99%E3%82%8Bmodbustcpslave%E3%82%92%E4%BD%9C%E6%88%90%E3%81%97%E3%81%A6%E3%81%BF%E3%81%BE%E3%81%97%E3%81%9F%E3%80%82-attempted-to-create-a-modbustcpslave-that-works-on-the-rp-2040/