The OS standard software is adapted to the SIMATIC PCS 7 Industrial Workstations offered (OS single station, OS server and OS client).

It can be adapted to plants of various sizes by adding cumulative SIMATIC PCS 7 OS Runtime licenses for sets of 100, 1 000 and 5 000 process objects (PO). The expansion limits are

• 8 500 POs per OS Single Station
• 12 000 POs per OS Server

The high-performance circular buffer archiving system integrated in the OS standard software for OS single station and OS server for the temporary archiving of up to 512 tags can be expanded up to the expansion limit of 10 000 tags with cumulative SIMATIC PCS 7 OS volume licenses.

The OS standard software for a redundant pair of OS servers or two redundant OS single stations is combined in a package (SIMATIC PCS 7 OS Software Server Redundancy or SIMATIC PCS 7 OS Software Single Station Redundancy). See section "OS redundancy" for details.

Subsequent conversion of the software license from OS Single Station to OS Server

It frequently happens in practice that systems based on OS single stations are later expanded to client-server configurations. The SIMATIC PCS 7 OS Software ConversionPack Single Station to Server allows you to subsequently convert the software license of your existing OS single station to an OS server license.