TDI340 – S0 pulse counter with MODBUS RTU interface

TDI340 is an S0 pulse counter with MODBUS RTU interface. This product allows any measuring equipment with S0 pulse output to be read by а Modbus master. Тhe device has 4 galvanically isolated digital inputs that operate as independent 32-bit counters. The values of...

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How to config DDNS on TCW210-TH, TCW220, and TCW241.

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...

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iOS application TCW Control now supports TCW210-TH

We have released a new version for our iOs application – TCW Control. Now TCW Control supports temperature and humidity data logger TCW210-TH. With the last update the application supports following our devices: Ethernet digital IO module TCW181B-CM (Firmware version...

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TSL200 – new 1-Wire ambient light sensor

TSL200 ambient light sensor is the newest member of our the 1-Wire sensors family. Тhis product adds extra options to Teracom controllers for environmental monitoring systems and Building’s management systems (BMS). TSL200 1-Wire ambient light sensor is factory...

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How to install Nagios 4.3.4 local server on Ubuntu 18.04

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 Nagios Plugins 2.2.1, and...

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Collect data from TCW210-TH on ThingSpeak platform

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...

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How to test MODBUS RTU sensor TSH300/TST300

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...

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Dynamic DNS. DynDNS providers. DNS-o-Matic as a service.

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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