Known issues: releases 2026.x Note: This page lists known issues valid for firmware releases 2026.0 LTS up to the most recent. For known issues in firmware release 2023.0 LTS up to 2025.9, see Known Issues 2023 – 2025. For known issues in firmware release 2020.0 LTS up to 2022.9, see Known Issues 2020 – 2022. For… Read More
Modbus TCP Client Available from firmware 2024.6 From firmware release 2024.6 on, there is a Modbus TCP Client directly implemented into the Automation Runtime Platform (ARP) of PLCnext Technology. This Modbus TCP Client can be configured via the PLCnext Engineer programming software. The implementation depends on the libmodbus open source library, provided by libmodbus.org. Read More
Modbus TCP Modbus is a long-living communication standard in industrial automation. It has been developed to communicate via TCP. There are different Modbus implementations available, e.g. as a function block (available in the PLCnext Store). But using a function block, its instantiation is necessary for each and every Modbus… Read More
Modbus TCP server Available from firmware 2026.0 LTS From firmware version 2026.0 LTS, the Modbus TCP server function is implemented into the Automation Runtime Platform (ARP) of PLCnext Technology. This Modbus TCP Server can be configured via the PLCnext Engineer programming software. The implementation depends on the libmodbus open source library, provided by libmodbus.org. How to… Read More
Known issues: releases 2020 to 2022 Note: This page lists known issues valid for firmware releases 2020.0 LTS up to 2022.9. For known issues in firmware releases 2019.9 and earlier, see the Change Notes for your devices. For known issues in firmware releases 2023.0 LTS up to 2025.0, see Known Issues 2023 –… Read More
Firmware releases for AXC F 1252 The following graph shows all published firmware releases for the PLCnext Control AXC F 1252 devices. Read the latest cumulative change notes. Download the firmware package, containing the change notes up to that release and an installation container (*.raucb file). Long-term supported releases Feature releases… Read More
Firmware releases for Virtual PLCnext Control The following graph shows all published firmware releases for the Virtual PLCnext Control devices. Read the latest cumulative change notes. Download the software package, containing the change notes up to that release and a *.tar archive. Long-term supported releases Feature releases ⁞… Read More
Firmware releases for AXC F 1152 The following graph shows all published firmware releases for the PLCnext Control AXC F 1152 devices. Read the latest cumulative change notes. For 2025.x releases (*), read the recommendation Download the firmware package, containing the change notes up to that release and an installation container (*.raucb file). Long-term supported… Read More
Firmware releases for RFC 4072R The following graph shows all published firmware releases for the PLCnext Control RFC 4072R devices. Read the latest cumulative change notes. Download the firmware package, containing the change notes up to that release and an installation container (*.raucb file). Long-term supported releases Feature releases ⁞… Read More
Firmware releases for AXC F 2152 The following graph shows all published firmware releases for the PLCnext Control AXC F 2152 devices. Read the latest cumulative change notes. For 2025.x releases (*), read the recommendation Download the firmware package, containing the change notes up to that release and an installation container (*.raucb file). Long-term supported… Read More
