Check the listing for details. Siemens Simatic Step 7 Safety Upgrade V15.1 SUS-180129 Software Update Service. Condition: New, Made in Germany. Listed at 322.05 USD. The following item is for sale: SIEMENS SIMATIC STEP 7 Safety Upgrade V15.1 SUS-180129 Software Update Service If the packaging is opened, this product cannot be returned. Technical data: SIEMENS SIMATIC STEP 7 Safety Upgrade V15.1 Specifications: SIEMENS SIMATIC STEP 7 Safety Upgrade V15.1 All items offered are in stock and can be shipped immediately after receipt of payment. If you need the goods on the same day, please contact us. You can find the contact details in the legal notice. According to § 19 para. 1 UStG, the amount shown does not include sales tax. All brand names and designations mentioned are protected trademarks of their owners. In my offers they are only used to describe and present the items.