New features included in the release are:

• S7-1200 OPC UA enhancement:
  • Server method calls (Remote Procedure Calls)
  • Structured and Array data types
  • Diagnostics
  • Improved quantity structure
    • No. of sessions, max.: 10 (former 5)
    • No. of subscriptions per session, max: 50 (former 5)
    • No. of monitored items, max.: 1000 (former 500)
    • No. of nodes for user-defined server interfaces, max.: 2000 (former 1000)
• New instructions:
  • GetSMCInfo instruction retrieves information about the inserted SIMATIC memory card
  • Compact Read/Write file instrcutions: FileReadC, FileWriteC, FileDelete
• Supports configured OUC connection types TCP, Iso-on_TCP and UDP
• Web server: Supports modern API and classic Web server, and certificate handling
• Media Redundancy Protocol (MRP) functionality as a "Client" and as a "Manager" (CPU 1215C and CPU 1217C)
• Improved DataLog functionality including Sync timestamp field with the S7-1500
• Enhanced security:
  • Use of TLS (Transport Layer Security) certificate to enable secure PG/PC and HMI communication
  • Protection of confidential PLC configuration data
  • Enhanced encryption for the CPU access level passwords with a default setting of complete protection of the CPU
  • Use a SIMATIC memory card to set or change the Protection of confidential PLC configuration data password
• Increased retentive memory for S7-1200 CPUs from 10 Kbytes to 14 Kbytes
• Basic Motion Control in Control panel in Speed mode
  • Functions in Speed mode – Position control inactiv
  • Speed value on drive - Initial commissioning at low speed until it is certain that the setting and electrical connections are OK.
• Service Data via Data Record (TIA Portal)