SIMATIC STEP 7 Professional Software Update Service (SUS) Compact for STEP 7 TIA Portal; for multiple orders on one position, these deliveries are grouped. Minimum order quantity: 3 units within the framework of this contract, you will receive for one year all up-to-date software versions. The contract is extended automatically by 1 year if not canceled 3 months prior to expiration. period of delivery and service: 1 year from date of invoice. requirement for conclusion: current version of the software -- content: set (4x DVD + 1x USB)