With SIMATIC PCS 7, communications software and licenses of SIMATIC NET are used for the system communication via Industrial Ethernet. Their version cycle is not usually synchronous with that of SIMATIC PCS 7.

The SIMATIC PCS 7 versions correspond to the SIMATIC NET products as follows:

• SIMATIC PCS 7 V9.0 with SIMATIC NET products V14
• SIMATIC PCS 7 V8.2 with SIMATIC NET products V13
• SIMATIC PCS 7 V8.1 with SIMATIC NET products V12
• SIMATIC PCS 7 V8.0 with SIMATIC NET products:
  • V8.1 (Windows 7 Ultimate 32/64-bit or Windows Server 2008 R2 Standard 64-bit operating system)
  • V7.1 (Windows XP Professional 32-bit or Windows Server 2003 R2 Standard 32-bit operating system)
• SIMATIC PCS 7 V7.1 with SIMATIC NET products V7.1 (2008 edition)

When upgrading SIMATIC PCS 7, a separate upgrade is only required for the S7‑REDCONNECT and SOFTNET‑IE RNA communication software. For the other SIMATIC NET products, the version upgrade is implemented for the SIMATIC PCS 7 upgrade with SIMATIC PCS 7 upgrade packages.