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Industrial Automation Knowledge Base

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.

Issue There are two available solutions to implement time stamping with EcoStruxure Control Expert, both methods are easy to implement and can be selected for use in almost any circumstance. Applicative – A function block is required for third-party SCADA to convert and read the information System – No programming is required (some components are needed) System and Applicative time stamping modes are exclusive in the same EcoStruxure Control Expert application running in the controllers. In this article, we will investigate the System Time Stamping solution. Resolution System Time Stamping provides a consistent SOE (sequence of events), time stamped at the source, to allow the user to analyse the source of abnormal behaviour in a distributed automation system. The SOE is displayed in an alarm summary or SOE page of a client (such as a SCADA). Each source of time stamped event of the SOE is a discrete I/O value change (transition) detected by a time stamping module, this event is then passed through to OFS and straight to the SCADA. 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 The main issue you will face when you trying to manage the secure connection (via SSL encryption) between the SQL Gateway and the Microsoft SQL server running in a VMware Machine is that the generated certificate (also self-signed certificate) will not appear at the Server side. Resolution Please see attached document. 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 reading a string from the logic and displaying it in EcoStruxure Automation Expert, sometimes the user needs to change it from the HMI, it is not natively possible using drag & drop whilst creating a CAT. Resolution This knowledge base will show how to customize and do the C# code to not only read the string from the input, but to allow you to change the string from the HMI and update the output. 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 In this KB, we will learn the basics of how to create our own button symbol that can be mapped to a physical digital output. This technique is based on leveraging inbuilt available objects. The knowledge gained will enable us to further develop our own animated symbols using other available graphic objects in the Canvas Designer. 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 References are widely used in programming, especially to efficiently pass large or mutable data as arguments to procedures, or to share such data among various uses. A reference may point to a variable or record that contains references to other data. This idea is the basis of indirect addressing and of many linked data structures, such as linked lists. Resolution There are many advantages of using variables reference over pointer variables (like in C++ programming) such as: A reference variable does not consume any extra memory. It has the same memory address as the variable it refers to. While a pointer needs extra space for itself. In order to access the value of the referenced variable using pointer, we need to use a dereferencing operator whereas we can do the same using reference variable without any dereferencing method. Reference variables are cleaner and modish as compared to the pointers; they can also be used while passing in the function as arguments, known as call by references. 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 How can I configure Plant SCADA to communicate with the Modicon M580 BME NUA 0100 (OPC UA) module using trusted certificates. Resolution The attached document provides a step-by-step guide for the configuration of AVEVA Plant SCADA (Citect) communicating to the BMENUA0100 module using OPC UA Client and Trusted Certificates. 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 Customers would like to monitor the power supply modules of the Modicon M580 controller and observe whether they function correctly. Diagnose and analyse with the information so as to find its root cause. Resolution The Modicon X80 Redundant Power Supply module beside providing power supply module redundancy coming from different power sources, it can also provide users monitoring and diagnostics information. The PWS_DIAG and PWS_CMD function function blocks provide users internal diagnostic (e.g. voltage and current) for each of the redundant power supply modules. 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 Using the GroupManagement/GroupControl objects to configure group/subgroup route & sequences – EPE 2021 Resolution This document will help you understand and use the $GroupMGTGP/$GroupCTLGP objects to quickly configure start/stop sequences of assets, routes and also generate subgroups that are part of the main sequence. These objects are part of the “Group Control 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.

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