SIMATIC S7-PLCSIM Advanced SUS (download) Software Update Service; 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 it is not canceled 3 months prior to before expiration. Period of delivery and service: 1 year from date of invoice. Requirement for conclusion: Current version of the software ******************************* E-mail address required for delivery