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PLCnext improved - again!

Firmware 2021.0 LTS

Some of you avid users will have taken notice of the 2021.0 LTS update for the PLCnext firmware that had been released in December 2020.The 2021.0 LTS is wrapping up all the changes made in the 2020 feature releases and adding a bunch of improvements, such as:

  • the Global Data Space retain variables in real-time programming according to IEC 61131-3
  • providing Proficloud V3 services for all PLCnext Control series, containing device management and firmware updates as well as a new popular time-series data service.
  • new pages in the Web-based Management for HTTPS certificate configuration
  • for a better Docker support, co-existence of iptables and nftables in the default firewall configurations
  • several improvements for OPC UA connections
  • HMI via PLCnext Engineer now supporting and multi-language projects (see the Tutorial video)
  • and, of course, a lot of housekeeping

    Note: Please make sure to check the notifications of the Product Security Incidence Response Team (PSIRT) from time to time to find out how to prevent security threats.

But that wasn’t enough.

With a short delay, we can now proudly announce that …

…with the 2021.0.3 LTS release most of the PLCnext Control series just got certified according to PROFINET specification version 2.4.1 and Net Load Class II:

  • PN Controller:
    AXC F 2152, AXC F 3152, and RFC 4072S
  • PN Device:
    AXCF 2152 and AXC F 3152

The 2021.0.3 LTS release is accompanied by corresponding versions of the controller-specific SDKs and the PLCnext Engineer. For all details on new and improved features, error corrections, and known restrictions, see the application notes for the PLCnext devices at the Phoenix Contact product pages:

Please note: With updating to 2021.0, the *.config files in the/opt/plcnext/projects/Default/Plc/ directory are removed, running ahead of the upcoming features in the 2021.3 release. Read more about the configuration files in the PLCnext Info Center topic.