---
title: "SCADA Modbus TCP Relay Timer"
url: "https://maker.wiznet.io/Sunny_/projects/scada-modbus-tcp-relay-timer/"
markdown_url: "https://maker.wiznet.io/Sunny_/projects/scada-modbus-tcp-relay-timer/md"
type: "UCC: User Created Content"
author: "DANILL"
author_url: "https://github.com/UterGrooll/scada-modbus-tcp-relay-timer/tree/main"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "DANILL"
original_url: "https://github.com/UterGrooll/scada-modbus-tcp-relay-timer/tree/main"
published: "2026-06-17"
language: "en"
likes: 0
views: 219
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# SCADA Modbus TCP Relay Timer

> Arduino Modbus TCP slave relay timer for SCADA with EEPROM runtime storage and Ethernet watchdog.

Original author: DANILL (source: https://github.com/UterGrooll/scada-modbus-tcp-relay-timer/tree/main)

---

Source: https://maker.wiznet.io/Sunny_/projects/scada-modbus-tcp-relay-timer/