Static IMG (Flash replacement)


latest news and announcements

28 Nov 2016 10:53
OpcDbGateway in Flex4Grid

Flex4Grid project is co-funded by the EU Framework Programme for Research and Innovation Horizon 2020 in the category "Innovative Action". Its aim is to create an open data and service framework that enables a novel concept of managing flexibility of prosumer (consumer and / or producer) demand and generation and to open distribution companies infrastructure for aggregators.
Innovative actions may concentrate on innovation of existing products or their use in new applications. One of the products to be used in Flex4Grid is our software product OpcDbGateway .
Flex4Grid infrastructure consists of hardware gateways placed by individual prosumers and an extensive system of Web services in the cloud. System shall be used for a variety of prosumer categories. For the category of domestic prosumer, local gateways implemented by known modules Raspberry Pi are used. Another category are big prosumers that use intelligent building management systems implemented e.g. according to KNX standard. They can use gateways based on PC running Windows operating system. For most building management systems OPC server software applications that provide conversion of native communication to communication by the OPC standard are on the market. The advantage of a local gateway that includes OPC client application is that it can work with intelligent building management systems from different suppliers. OpcDbGateway runtime contains OPC client as well and so it can be used in local gateways.
Intelligent building management systems usually works with very large number of monitored or controlled data points. Configurator of OPC server usually can automatically identify these data points to create an OPC server address space. For further processing of data points there is a need for a simple efficient way to configure an OPC client. Here applies OpcDbGateway configuration application that integrates data points to OpcDbGateway configurations.

Local gateway software modules communicate with the cloud mainly through MQTT publish / subscribe protocol. Information from monitoring data points are transmitted to MQTT broker in the cloud as JSON messages.
OpcDbGateway can be used for this purpose in two ways:
• Using configurable "event" reinitiated by configurable trigger for periodic starting of external application of a MQTT client.
User Enhancing Module (DLL) for runtime application of OpcDbGateway.

Communication in the opposite direction can only be ensured by the User Enhancing Module, which ensures the transformation MQTT JSON messages from the broker to the process of runtime application of OpcDbGateway.
Implementation of User Enhancing Module for OpcDbGateway for MQTT enables use OpcDbGateway for other IoT and IIoT applications as well.

back to news

Flex4Grid - Horizon 2020 project
16 Jun 2020
Within the IoT application, OpcDbGateway can be used for local pre-processing data. ...
24 Sep 2019
On the simplest application - "Hello World", which is used by easiest description of many software development environments and programming languages, we explain options and basic principles of creating applications in the OpcDbGateway development environment , in which comprehensive database and communication applications for industry, energy and other domains can be developed without deep knowledge of modern programming languages. Those who have programming skills can add own program modules to the OpcDbGateway. See the article OpcDbGateway - Hello World .
03 Nov 2018
Our software product SAEAUT SNMP OPC Server has a number of successful deployments on virtually all continents to manage and monitor IT equipment in data centres, industrial plants, atomic power plants, air traffic control centres... We are constantly updating websites for all of our products to ensure responsiveness on all devices and extremely fast display with AMP - Accelerated Mobile Pages. Check out the new SAEAUT SNMP OPC Server website using AMP. We will be happy to provide our customers with the experience of using this technology.