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Industrial Automation Knowledge Base

Issue The EmailHandling library implements function blocks to send and receive emails with the controller application support secure and unsecure communication with an email server. Since it is not recommended to use unsecure communication over public networks and above all over the internet. Furthermore, the most popular public email servers do not support unsecure communication. Therefore, a direct communication between the M241/M251 controller and the public email server is not possible. Resolution To address this issue, the recommended third-party tool to use is stunnel. Stunnel is a proxy designed to add TLS encryption functionality to existing clients (controllers) and servers (public email) without any changes in the program’s code. Stunnel uses the OpenSSL library for cryptography, so it supports whatever cryptographic algorithms are compiled into the library. Disclaimer The views and opinions expressed in this article are those of the author(s) and do not necessarily reflect the official policy or position of Schneider Electric.

Objective The purpose of this article is to introduce the necessary steps to calibrate a Lexium Multicarrier track with the example project embedded in EcoStruxure Machine Expert. Resolution This article has highlighted how to calibrate a Lexium Multicarrier track in EcoStruxure Machine Expert. It shows which steps must be done and guides the reader through the functionalities and provided structure of the track calibration.

Issue When building a Solution in EAE, each engineer has their own idea of how to name items such as pins on a function block, the names of Composite or Basic Function Blocks which they create, the names of folders, Symbols, Faceplates and the list goes on. Without a standard naming convention to conform to, a Solution can become an accumulation of unorderly syntaxes. Resolution This article serves to uncover the different naming conventions widely used in real world engineering. A EAE Naming Convention Reference Card is also provided. Its intention is to be used as a guide during your EAE’s engineering lifecycle. It is produced based on close observation of Schneider’s Libraries that comes in EAE. Disclaimer The views and opinions expressed in this article are those of the author(s) and do not necessarily reflect the official policy or position of Schneider Electric.

Issue Not having a 4G interface configured can lead to several issues, particularly if the HMIBSC Edge Box application relies on mobile network connectivity, means that the device will not be able to connect to the internet or communicate with other servers. This can disrupt services which require constant online access. Resolution With the use of 4G Cellular device within the HMIBSC Edge Box, this enables the Internet Connection. Disclaimer The views and opinions expressed in this article are those of the author(s) and do not necessarily reflect the official policy or position of Schneider Electric.

Issue Machine Expert Twin is a multi-threading application integrating user interface, emulation/simulation engine and external communication. The main objective for a developer creating an assembly catalog with C# is stable and reliable functionality of the objects. But how to interact with the different threads? Resolution The environment provides methods for invocation so all actions are scheduled for the Engine thread properly. Disclaimer The views and opinions expressed in this article are those of the author(s) and do not necessarily reflect the official policy or position of Schneider Electric.

Issue DC Bus Sharing is a good option to share and to save energy in a multiple axis application instead of burning energy in a ballast resistor.During deceleration a motor acts as a generator and this regenerated kinetic energy is saved in the integrated capacitors and if it is too much burned in the internal or external capacitors.A common DC Bus is useful, for example, if one axis is accelerating and one is decelerating. Resolution This knowledge base article will guide how to configure Lexium 32 Servo Drives for DC bus Sharing. Disclaimer The views and opinions expressed in this article are those of the author(s) and do not necessarily reflect the official policy or position of Schneider Electric.

Background There are some industry segments (such as power) which require that when communication with RTU/PAC/PLC is broken, instead of showing the #BAD #COM or #PEND, display the last know good value instead. Resolution In this sample project, we show how to make use of Tag Extension for such matters. Disclaimer The views and opinions expressed in this article are those of the author(s) and do not necessarily reflect the official policy or position of Schneider Electric.

Issue Lexium Cobot allows to define load settings in one parameter set. But how to handle different gripper product combinations in a program and especially calculate center of mass with and without product. Resolution Using variables to update the parameters during runtime is the first step. Creating scipts allows maximum flexibility with the load settings and calculation of Center of Mass. Disclaimer The views and opinions expressed in this article are those of the author(s) and do not necessarily reflect the official policy or position of Schneider Electric.

Objective The Alpha Channel in the Properties of some Objects can be used to achieve transparency. We can leverage on this characteristic to create a transparent Button that overlays a Symbol. The Button is then configured to launch a Faceplate. The result is a Graphical Symbol that when clicked, opens a Faceplate which you can then customized for various other operational purposes, such as controlling an asset. Disclaimer The views and opinions expressed in this article are those of the author(s) and do not necessarily reflect the official policy or position of Schneider Electric.

Issue EcoStruxure Machine Expert Twin Builder provides a wide range of functionality with its user interface. Customized objects are developed in catalogs and handled via catalog DLLs. In order to extend the features of the GUI it is possible to develop Plugins with C#. Typically a plugin will add buttons to the menu ribbon to trigger functionality e.g. batch import of assemblies from a file, including PLC signals. But Plugins might even extend the general features, e.g. adding OPC UA communication. Resolution Create a Plugin with Twin Developer in C# to add the custom feature to the Twin Builder GUI. See the attached article for more information. Disclaimer The views and opinions expressed in this article are those of the author(s) and do not necessarily reflect the official policy or position of Schneider Electric.

Issue When it comes to dealing with IIoT solutions with EAE, NETIO Basic Function Block is one of the most useful to handle interactions with cloud services. However, the help file does not elaborate in detail how to use it. Resolution Understand how NETIO is to be used for a HTTP Post with an example application. We will also get to see how the response should be handled. Disclaimer The views and opinions expressed in this article are those of the author(s) and do not necessarily reflect the official policy or position of Schneider Electric.

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Industrial Automation Knowledge Base

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