Technical data

Introducing the Product and Installing the Software
1.3 What's New in STEP 7, Version 5.5?
Programming with STEP 7
Manual, 05/2010, A5E02789666-01 33
1.3 What's New in STEP 7, Version 5.5?
The following subject areas have been updated:
• Operating Systems
• Configuring and Diagnosing Hardware
• Configuration Changes during Ongoing Operation (CiR)
• Standard Libraries
• Report System Error
• Diagnostics
• Setting the PG/PC Interface
Operating systems
As of STEP 7 V5.5, the operating systems MS Windows 7 Professional, Ultimate and Enterprise
(standard installation) are supported.
Configuring and Diagnosing Hardware
• As of STEP 7 V5.5, you can create I-devices from numerous IO controllers.
• As of STEP 7 V5.5, you can use the PROFINET shared device function.
• As of STEP 7 V5.5, you can assign the IP addresses and device names dynamically.
• As of STEP 7 V5.5, you can configure media redundancy for multiple domains.
• As of STEP 7 V5.5, you can you can configure the isochronous mode for IO devices.
• As of STEP 7 V5.5, you can install hardware updates directly from the "Windows Start menu".
• As of STEP 7 V5.5, you can manage user rights for the Web server.
• As of STEP 7 V5.5, you can access Web pages of the CPU via a secure HTTPS connection.
• As of STEP 7 V5.5, you can configure keepalive times for TCP connections.
• As of STEP 7 V5.5, you can download I&M data for more than one module at the same time
(using multiselection).
Configuration Changes during Ongoing Operation (CiR)
The restrictions in STEP 7 versions up to and including V5.4 regarding hardware configuration in
RUN (CiR) for PROFIBUS when upgrading the STEP version no longer apply in V5.5.