Functions and applications – Overview Functions and applications are built-in benefits for programmers that come with the PLCnext Runtime System. Depending on the firmware release on your PLCnext Control, the set of features can be different. Here you will find a description to every function or application: Notifications Alarms Real-time… Read More
Introduction to Applicative System Redundancy (ASR) Available with AXC F 2152 and AXC F 3152 The Applicative System Redundancy (ASR) is carried out by providing two redundant PLCs (First and Second) in the same network together with the responding I/O stations. The communication between the PLCs and the I/O stations is based on the PROFINET… Read More
Alarms via OPC UA Server Introduction Essential alarm status features Every alarm is oriented towards the OPC UA Alarms & Conditions specification and has these properties: Property Meaning or purpose Restrictions AlarmId The unique name of the alarm on the device. AlarmType… Read More
Alarm function blocks in IEC 61131-3 programming Introduction Essential alarm status features Every alarm is oriented towards the OPC UA Alarms & Conditions specification and has these properties: Property Meaning or purpose Restrictions AlarmId The unique name of the alarm on the device. … Read More
IP addresses at redundant controllers Available from 2022.0 LTS with RFC 4072R Understanding the structure of IP addresses In redundancy mode, the preset IP addresses are used as the system IP address of the respective Ethernet interface. The process-leading controller (= PRIMARY controller) can additionally be reached via the system IP… Read More
Administration On this page you make several settings on various tabs. Below you will find information about these tabs: Global tab Software update tab Users / Clients tab GDS tab Certificate tab • Published/reviewed: 2025-12-18 ☃ Revision 087 • … Read More
System redundancy error codes Available from 2022.0 LTS with RFC 4072R The most recent status or error message is indicated as a digit, visible in the PLCnext Engineer at the RDNCY_ERROR system variable. This is how to decode and handle the messages: Digit Status or error message Description Remedy 1 OwnRdncyTypeChanged… Read More
Administration – GDS tab On the GDS tab you make all settings around the GDS (Global Discovery Server). GDS support In the GDS support area you specify whether you want to use a GDS or not. You also specify whether you want to use the internal… Read More
Alarms in PLCnext Technology Use Case The wastewater basin in the sewage plant is about to overflow, a sluice blocks, or an important drive overheats? On all these events you must get an immediate and reliable message from your system control. Especially for this purpose we introduced the Alarms Dispatcher… Read More
User roles and rights in the Device and Update Management Note: When you start the Device and Update Management app, the user roles displayed in the table below are added to the UserManager of your EPC 15×2. When you delete the app, these user roles are not automatically deleted, but remain in the UserManager of the EPC 15×2. Read More
