Info Center change log

While the PLCnext Technology ecosystem evolves, we keep adding and elaborating this information platform. The following changes have been made to this information platform since it is available under the www.plcnext.help domain.

Note the reverse order - most recent changes are at the top!

Revision	Date	Changes
076	2024-12-19	Technical improvements Updated Known issues topic
075	2024-12-10	Added more details to Modbus TCP client Added two Known Issues: Recompilation needed for pre-2024.6 projects depending on the `Arp::System::Commons::Ipc::IpcSocket` class Modbus communication error Corrected security notification names: Security.Arp.Plc.Domain.Project.Changed Security.Arp.Plc.Domain.Project.Integrity.Error Security.Arp.Plc.Domain.Project.Integrity.Success Security.Arp.Plc.Domain.Project.Integrity.Warning Security.Arp.Plc.Domain.Project.Loaded Added descriptions to a new feature of the Device and Update Management (DaUM) Minor improvements in several topics
074	2024-10-30	Added a known issue: Unnoticed binary change Added descriptions for changes with the PLCnext Technology Toolchain 2024.6: Added changes and issues to the PLCnext Technology Toolchain changelog, Described how to import an existing toolchain project Added two new control sequences in the Template system: `if-specified` and `plain` Corrected the number of DataLogger variables: max. 996 variables possible in SQLite 3 data sinks. This does not apply to the TSDB data sink type.
073	2024-09-24	Added known issues: Ethernet interface problem OPC UA client synchronization problem
072	2024-09-18	Related to upcoming firmware version 2025.0: Added a set of topics regarding the application-relevant changes that will come with firmware 2025.0 Related to firmware release 2024.6: Added basic information on the Modbus TCP client integration into the firmware Added Notifications for the Modbus TCP client of the PLCnext runtime Added information on the eUA client diagnotics feature Added RSC services and C++ API documentation Added known issues: PROFINET watchdog and PROFINET name shift eCLR programming reference file for download from this Info Center updated
071	2024-08-08	Updated the Releases and the Tool downloads overview topics for latest publications Added descriptions to a new feature of the Device and Update Management (DaUM) User interface enhancement in some topics: click this new hint typenew hint typeThis would be a hint text to show the hint
070	2024-06-26	Added details to communication via MQTT and the MQTT configuration via the WBM Updated the Releases and the Tool downloads overview topics for latest publications
069	2024-06-05	Updated some topics regarding AXC F 3152 hardware compatibility: RSC Device Interface Services Configuration - Fan Control System variables - Time, IP, Device, CRC Added descriptions to new feature of the Device and Update Management (DaUM) Added known issue PROFINET controller status not updated in WBM tab
068	2024-05-06	Added known issues: ANSI C API issue SIGSEGV issue
067	2024-04-30	Rearranged the topics about SD card encryption: General infos regarding the new encrypted SD cards Working with encrypted SD cards SD card WBM page description Added known issues: Safety variables issue REST data interface issue Visual Studio issue when using the PLCnext Technology Toolchain Added an entry for the PLCnext Technology Toolchain changelog in the left-panel navigation Minor corrections and changes
066	2024-04-22	Added a description for encrypting SD cards Revised the minimum firmware version for use of LIC SD cards Added instructions to working with encrypted SD cards Updated the eCLR Programming Reference Updated the PLCnext toolchain topics for its version 2024.0 Minor corrections and changes
065	2024-02-27	Related to Firmware release 2024.0 LTS (AXC F 1152 and AXC F 2152 only): Updated topic on WBM page Security - SD Card Settings: Encryption for License SD cards Notifications and Security notifications of the PLCnext runtime RSC services and C++ API documentation Revised criteria for filtering content via checkboxes in the right panel
064	2024-02-14	Related to firmware release 2023.9 (AXC F 3152 only): Added a description on how to start up the USB service interface at AXC F 3152's new hardware 04 Adding firmware release 2023.9 to the RSC documentation reference and C++ API documentation Added references for Axioline F or INTERBUS error codes in these topics: Diagnostics overview Diagnostics - Local bus WBM page System variables - Axioline F System variables - INTERBUS Added details to global variables in RSC GDS services and DataLogger concept Revised trademark notes in Imprint and Controller-specific features Added links to the 2024.0 LTS PLCnext Engineer online help
063	2023-12-21	Added a description to the PLCnext CLI template system Further improvements
062	2023-11-28	Added a hint to limited task `watchdogTime` for some controllers with ESM event tasks Updated the Firmware overview to controllers Added the AXC F XT SPLC 3000 to the Product range / Extensions / AXC F XT module overview topics Minor corrections and changes
061	2023-10-27	Updated current SDK links in Tool downloads Updated the Known Issues Updated Hardware documentation Error corrections
060	2023-10-10	Added descriptions to new features of the Device and Update Management (DaUM)
059	2023-09-25	Updated eCLR-Programming-Reference.chm (eCLR 3.4), see eCLR Programming System Updated PLCnext Technology Toolchain documentation for version 2023.6 Minor update of topic Configuration - PLCnext Store Update of Notifications and RSC services Embedded Tutorial - OPC UA setup for PLCnext Control Further improvements and corrections in various topics
058	2023-08-25	General restructuring of content and navigation, remodelling in the user interface of this Info Center Adding descriptions on possible errors with the Download Change command in PLCnext Engineer Adding `PreDefinedEventTask` definitions for powering down controllers with UPS Adding reference content for firmware release 2023.6: Notifications and Security notifications of the PLCnext runtime RSC services and C++ API documentation PLCnext Engineer Online help
057	2023-06-16	Added descriptions to new features of the Device and Update Management (DaUM) Added a How-to for logical addressing of the AXC F XT IB left-alignable INTERBUS master, and reworked the How-to for physical addressing Corrected the How-to for AXC F XT ML 1000 left-alignable Machine Learning extension Added descriptions to the PLCnext toolchain 2023.0: new Remote debugging of C# code, C# core libraries, and descriptions for HTML5 Help Files new C++ datatypes worksheet, C++ functions and function blocks, and minor changes in Advanced C++ programming features public PLCnext toolchain changelog Cleaning up some glitches
056	2023-06-05	Corrected a wrongful advice on session timeout settings for accessing the WBM: must not be zero Corrected some info in the C# data types table Added a known issue for LIC SD cards in RFC 4072S Added a section on utilization monitoring to OverlayFS and User partition system variables Added 2023.3 release links to the RSC docs reference Added 2023.3 Notifications and Security notifications Updated PLCnext Control overview: Release 2023.0 LTS for RFC 4072R, BPC 9102S, EPC 15x2 and PLCnext Engineer Simulation Release 2023.3 for AXC F 3152 Hotfix 2023.0.4 LTS for RFC 4072S Updated RFC 4072R change notes for firmware release 2023.0.4 LTS Updated RFC 4072S change notes for firmware release 2023.0.4 LTS Updated AXC F 3152 change notes for firmware release 2023.3
055	2023-04-17	Updated descriptions of user roles in safety-related projects
054	2023-04-05	Updated the SD Card descriptions Further improvements and error corrections
053	2023-02-20	Updated the WBM topic Administration - License Management Updated RFC 4072S change notes for firmware release 2023.0 LTS Further improvements
052	2023-01-31	Updated AXC F 3152 change notes for firmware release 2023.0 LTS Updated the Known Issues Added an important note about the firmware update procedure to a 2023.0 LTS release Updated parameters in RSC Device Interface Services Updated Notifications and Security Notifications of the PLCnext Runtime for release 2023.0 LTS Updated and reworked the User roles overview Further improvements and corrections
051	2023-01-20	Added new topics on OPC UA client Updated the WBM topic Configuration - System Services Updated the WBM topic Configuration - Network and adding new Netload Limiter configuration and statistics feature Updated the topic Configuring PROFINET devices, adding short videos, and adding Configuring PROFINET controller and device Further improvements and corrections
050	2023-01-13	Added PLCnext API documentation for firmware release 2023.0 LTS Further improvements and corrections
049	2022-12-21	New WBM page Cockpit Changed scope of Reset to default setting type 1 Changed behavior of system variable PND_S1_DATA_LENGTH Updated topic ESM Execution and Synchronisation Manager New topic Firmware Update with OPC UA Updated AXC F 1152 and AXC F 2152 change notes for firmware release 2023.0 LTS Updated the Known Issues Further improvements and corrections
048	2022-11-25	Adding the AXC F XT KIT to the Hardware documentation overview Further minor corrections
047	2022-10-19	Added new topic on OPC UA feature Reverse Connect and a new facet in the Profile and facets topic Added PLCnext API documentation for firmware release 2022.9.0 Updated AXC F 2152 change notes for firmware release 2022.9 Updated the topic on the WBM page Proficloud Services Added the element `<TriggerCondition>` to the DataLogger reference Further improvements and corrections
046	2022-09-14	Added the eCLR programming reference download for standalone use Changed filter settings for a better user convenience Updated AXC F 1152, AXC F 2152, AXC F 3152 and RFC 4072S change notes
045	2022-08-22	Added links for PROFIBUS services to the RSC docs reference Added recent PlcState extensions Updated the Known Issues Updated AXC F 3152 change notes for firmware release 2022.6 Some corrections and improvements
044	2022-07-29	Added links to the PLCnext Engineer 2022.6 Online Help Updated the RFC 4072S data and change notes for firmware release 2022.6 Some corrections and improvements
043	2022-07-18	Diagnostics for integrated UPS new WBM page new System variables new parameters in RSC Device Interface Service OPC UA Pub/Sub: more facets supported with 2022.6 `ModuleDiffBlock` featured in WBM - Diagnostics - PROFINET Integrity check of PLCnext Engineer projects in System Manager Added AXC F 1152 and AXC F 2152 change notes Minor corrections and improvements
042	2022-07-12	Added the Device and Update Management descriptions Added Axioline F and INTERBUS diagnostic references to the Hardware documentation Added the Advanced C++ programming features description and updated some of the C++ / C# topics Further improvements for usability (see Identification of symbols at the Hyperlinks section)
041	2022-06-09	Added the tutorial video to the PLCnext Engineer Simulation Getting Started Further improvements
040	2022-05-19	Added the PLCnext Engineer Simulation feature Updated the AXC F 2152 change note to firmware release 2022.3 Updated PLCnext Engineer features for software release 2022.3 Updates Roadmaps for upcoming releases
039	2022-05-02	Added AXC F 3152 2022.0 LTS firmware change note Added AXC F 2152 2022.3 firmware change note Added new topic Starting up the AXC F XT ML 1000 with an example Machine Learning application
038	2022-04-12	Links into the new PLCnext Security Info Center added Further improvements and corrections
037	2022-04-08	Added new topic Starting up the AXC F XT PB PROFIBUS master Further improvements and corrections
036	2022-04-05	Further improvements and corrections
035	2022-03-31	Added the gRPC communication topic Known issues: Hotfix for occasional eHMI deletion is available Further improvements and corrections
034	2022-03-18	Some improvements and corrections
033	2022-03-10	Added a newly found issue with the eHMI after updating to firmware release 2022.0 LTS Further improvements and corrections
032	2022-03-07	Changed the location of the hardware-relation topics in the navigation. Find the following topics now on the top level > Hardware folder: Hardware documentation Adding AXC F XT modules Adding Inline modules Minor corrections
031	2022-03-01	New or extended feature descriptions of firmware release 2022.0 LTS: Added the OPC UA PubSub topic Added the Date and Time WBM page description Added Syslog configuration WBM page description Added Security Profiles topic and Security Profile WBM page description Added features or differences of the PROFINET diagnostics WBM page description Added links to the PLCnext C++ API documentation and RSC documentation reference Added links to the PLCnext Engineer Helpnow available directly online
030	2022-02-14	Split up the former "PLCnext Control and Runtime features" topic: PLCnext Control features only Extensions, containing now the upcoming AXC F XT ML 1000 SD cards, containing the license SD cards PLCnext Technology features, now all sections visible at once Further improvements and corrections
029	2022-02-08	Added to the RFC 4072R documentation: Redundancy error codes Further corrections and additions
028	2021-12-22	Added the new RFC 4072R, enabling system redundancy for high-availability systems: Changing IP addresses for redundant controllers Configuring redundant PROFINET devices System variablesfor redundant controllers Further corrections and additions
027	2021-11-09	Added system variablessystem variables for RFC 4072S controllers Added new "Redundancy" branch with Applicative system redundancy (ASR) Updated WBM topic Administration - License Management Updated topic PLCnext Control and Runtime features Updated topic Tool downloads Further corrections and additions
026	2021-10-11	Added the PLCnext C++ API documentation for firmware release 2021.9 Improved topic IComponent and IProgram Updated the Known issues Revised Tool downloads topic Added documentation for AXC F XT EXP module in Hardware documentation Added Rev.01 of AXC F IL ADAPT data sheet in Hardware documentation section Further corrections and additions
025	2021-09-03	Added two Known issues for AXC F x152 devices: SD card is not recognized after an interruption of the power supply Issue when connecting data types Bitstring/OctetString with ARRAY Implemented a cookie management tool for the site
024	2021-08-17	Added 5 more Tutorial videos in the Getting started with PLCnext Engineer gallery (see Programming and Libraries sections); also available in German language Added PLCnext CLI and toolchain release 2021.6 documentation: PLCnext CLI for C++ programmers: Required installations (from 2021.6) for C# programmers: Required installations (from 2021.6) Working with Visual Studio Working with Eclipse Put the general Safety notes into a stand-alone topic
023	2021-07-16	Added features and changes that are effective with firmware release 2021.6 in these topics: Additional WBM pages: Configuration: System Services Configuration: Network (replacing the former Ethernet configuration page) Changed 24-hrs time format in the Diagnostics:Notification Logger WBM page Support for WSTRING variables added in Elementary data type, Supported Data type combinations, and Data types for C# programming Data type combinations between ports and process data (via Octet string ) Additional DataLogger `taskContext` attribute which allows naming an ESM task so all the values of all variables in the session will be sampled. Additional `Datalogger.Warning` Notification Larger maximum of variables used in Proficloud V3 Time-series Data service Integrated the Known Issues from PLCnext Control Change Notes since firmware release 2021.0 LTS up to 2021.6 Added the PLCnext C++ API documentation and links to additional RSC services for firmware release 2021.6 Updated the RFC 4072S User Manual to Rev.03 in the Hardware documentation overview
022	2021-07-01	Integrated the System variables chapter from the AXC F x152 User Manual for use with PLCnext Engineer Fixed some minor issues
021	2021-06-25	Revised the RSC Device Interface Service topic Added a topic on the Overlay file system Restructured and revised OPC UA topics Added a link to the RSC documentation reference table for a new TraceControllerService example on GitHub
020	2021-06-09	Did some housekeeping, again, and corrected some errors Changed the accessibility information in all topics regarding the Web-based Management Reworked the REST data interface section and added some referencial information
019	2021-04-19	Corrected some minor issues
018	2021-03-10	Added the Authentication failure handling Revised the topic Configuration files topic and some of the related topics Added the configuration handling to the Program Library Manager (PLM) topic Minor changes in the WBM License Management topic
017	2021-02-12	Added a topic on creating and deploying shared libraries and how to use the PLCnext CLI template system to start programming them Some minor corrections
016	2021-02-03	Added a bunch of links to context topics, GitHub examples, and two more RSC services to the RSC API reference table: IPlcInfoService IRetainManagerService Some minor corrections and additions
015	2021-01-25	Added the E-Learning class PLCnext Technology Grundlagen (German language version of PLCnext Technology Basics) Edited the C# programming section: put all the C# programming topics into a subfolder reworked the Creating a C# function... topic added a description on which libraries to include Merged the former Latest changes topic into this list Applied a new design template
014	2021-01-14	Edited topics in the WBM branch and various other topics
013	2020-12-15	Added new WBM topics that are effective with firmware release 2021.0 LTS: Configuration: PLCnext Store Configuration: Proficloud Services (Proficloud V3 is now available for all PLCnext Control devices) Configuration: Web Services Edited some existing WBM topics Edited the Extended Retain Handling topic Added the Proficloud V3 TSD Added and corrected several other topics
012	2020-12-02	Added new videos to the PLCnext Engineer tutorial videos for each language. Edited some of the data type reference tables and changed their locations in the navigation.
011	2020-11-23	Added rev.08 of the AXC F x152 controller manual (and removed rev.07). Added 3 more PLCnext Engineer tutorial videos for both languages Corrected the Required installations topic: C++ with Eclipse® should be installed running Java v11 (not v9) due to detected error in some exotic cases.
010	2020-11-13	Extracted the Proficloud V3 - Connecting... content from the Proficloud V3 - Managing devices topic
009	2020-11-11	Added the PLCnext Technology Beginner's Guide Updated E-Learning on Programming internal function extensions Corrected some minor issues
008	2020-10-16	Added more tutorial video links to this platform (embedding from our YouTube Technical Support channel)
007	2020-10-14	Corrected errors in the DataLogger configuration and DataLogger reference topics
006	2020-10-09	Added the Hardware documentation topic Edited DataLogger topics (updates) and added explanations Improved the Tool downloads overview Simplified the C++ section in the left navigation panel
005	2020-10-02	Added a tutorial video for DataLogger configuration via PLCnext Engineer in both regarding video galleries Added an overview topic on where to download PLCnext Technology tools Added a short description on how to replace a project template in PLCnext Engineer Corrected some minor issues Edited all hyperlink styles for See Also and Related Topics sections, and for some topics
004	2020-09-18	Added a DataLogger configuration flowchart and reorganized the DataLogger section Corrected some minor issues
003	2020-08-21	Added the Visual Studio C++ extension to the Latest Changes teaser topic Corrected some minor issues
002	2020-08-18	Added an E-learning overview Extracted the File-based DataLogger configuration into its own topic
001	2020-08-11	Corrected topic naming and links
000	2020-08-07	Published initially to the `https://www.plcnext.help` domain

• Published/reviewed: 2024-12-19 ☃ Revision 076 •