Do not install third-party antivirus without Siemens’ certified compatibility list. Many off-the-shelf AVs have broken PCS 7 runtime.
(now branded as SIMATIC PCS neo) is Siemens’ new web-based, cloud-ready DCS. However, as of 2026 , PCS neo is still in adoption phase for new large-scale plants, while V9.1 SP2 remains the workhorse for: Siemens Pcs7 V9.1 Sp2
Open SQL Server Configuration Manager. Enable TCP/IP protocol. Restart SQL Server service. Also, ensure Windows Firewall has an inbound rule for port 1433. However, as of 2026 , PCS neo is
| Component | Version | |-----------|---------| | STEP 7 (Core) | V5.6 SP2 | | WinCC | V7.5 SP2 | | SCL (Structured Control Language) | V5.6 | | CFC (Continuous Function Chart) | V9.1 SP2 | | SFC (Sequential Function Chart) | V9.1 SP2 | | PDM (Process Device Manager) | V9.2 | | SIMATIC Logon | V1.6 SP2 | | SIMATIC BATCH | V9.1 SP2 | | APL (Advanced Process Library) | V9.1 SP2 | | Route Control | V9.1 SP2 | Also, ensure Windows Firewall has an inbound rule