The document describes how to make FW update MODBUS RTU sensors using Teracom TCW210-TH, TCW260 or TCG140 controllers. For proper update follow the steps below: 1. Connect the sensor which should be updated to the RS-485 bus. It is important that only this sensor is...
This article outlines the necessary configuration steps, the implementation of which will allow the user to have remote access to TCW210-TH, TCW220, and TCW241 Ethernet controllers. The document looks at three operators (DynDNS, No-IP, and DNS-O-Matic) that offer a...
This article is an update of our old article “How to install Nagios local server on Ubuntu 16.04“. In the article, we will describe how to install Nagios local server – step by step. You will need the following packages – Nagios 4.3.4 and...
1. Overview TCW210-TH is a device that registers and stores information for up to 8 sensors (temperature and temperature-humidity). This information is stored in a flash memory and can be visualized in graphics in the web interface. One of the many services...
What is MODBUS RTU? MODBUS is a serial communication protocol. Modicon developed and published it in 1979 and de facto it is an industrial serial standard since then. MODBUS is an application-layer messaging protocol. In OSI model it is positioned at level 7. The...
What is Dynamic DNS? Тhe Domain Name System (DNS) is spread across the Internet naming system for computers, services or other resources. Its major role is to translate human-oriented names to IP addresses. They are mandatory for IP based communication. DNS is...
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