The Cold Chain Cloud is a cloud SCADA system, which solutes two main tasks:
- The first one is monitoring and storage in one place all of data reveived from plenty of measuring devices (loggers, probes, registrators, etc.). Measuring devices can interact with Cold Chain Cloud by various protocols of data transfer and be in different geographical spots;
- The second one is providing with authorized access for a user to measuring data using web-interface and to display this data in convenient appearance.
The Cold Chain Cloud is a platform-independent system. A user interacts with Cold Chain Cloud using a web-browser. Wherein the user doesn’t need to instal any additional software on own PC.
The advantage of The Cold Chain Cloud is that the program is based on a client-server architecture. This kind of architecture allows to bring a part of data processing loading from a server onto client’s gadget or PC, and that increases productivity and reliability of the system.
On one side, the server part provides with interaction via server API to measuring devices (loggers, probes, registrators, etc.). On another side, the server part interacts via client API to the client part providing with data depending on a user request. Therefore, basic functions of the server part are collecting, primary processing, storage, backuping data and providing with data to the client part.
The server part is a software, that’s coded in JavaScript (Node.Js) and C++ programming languages. The server part works in OS Linux operation and hosts on a server in a data-centre. The client part is JavaScript (AngularJS) application, that automatically downloads in user’s web-browser and works until the user closes the tab. Client’s application provides with interfaces to interact to data in real-time, such as: displaying archive data of all devices by graphical appearance, reviewing graphs, archives, logical events, alarms, various vidgets, system settings and so on.
The Cold Chain Cloud provides a user with a flexible system to manage user rights, that is preconfigured by a system administrator. It allows to devide users to different groups with different authorities and roles: administrators, operators, users, etc. Depending on rights, the user can change or view only available data and devices.
Online data received from various devices can be combined in a group by general characteristics. It is possible to generate graphs, reports, tables by groups, and to define the limits of alarm activation.
The Cold Chain Cloud system allows a user to monitor and to manage devices remotely in real-time, to display data archives, to generate graphs, tables, reports for certain time period, to export data in a PDF file. In graphs a user can change scale by X and Y axes, choose a color, line type, etc. On a detailed graph a user can display either one parameter or a bunch of parameters. Above the main part of detailed graph construction there is a widget called The Temporary Ruler with preview of graph trends. This widget allows a user quickly and intiutively to choose necessary time period to generate a detailed graph.
The flexible system of alarm settings is implemented in The Cold Chain Cloud. A user can set the limits of alarm activation, and set users, who receive emergency messages via Telegram or other Internet-messengers, or via email. Depending on having connection to devices, all the data, being in usual, pre-alarm or alarm status, change value color and group color online. Besides, an operator, who is connected online, sees a blinking alarm icon on top part of a screen, which stops to blink only after confirmation (acknowledgement) by an operator this alarm.
The Cold Chain Cloud allows to keep a technological journal, a user action journal and a system journal. All of alarms and errors in technological equipment are kept in the technological journal. All of user reactions on alarms also are kept who and when confirmed it (acknowledged). Changes of settings and configurations of The Cold Chain Cloud, projects, groups and data, that were made by a user in certain time, are kept in the user action journal.
The Cold Chain Cloud has a possibility to generate mnemonic schemes of technological processes as a widget with active elements. The widget allows to visualize a process of monitoring and management in real-time. Widgets are the option, which create for an order for certain technological process and agree with a customer corresponding a technological requirements.
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