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STEP 7 Professional is the programming and configuring software designed for professional use with SIMATIC controllers.
It supports the user through all the stages of a development process for automation solutions, such as

 Installation and management of projects
 Configuring and parameter assignment of hardware and communications
 Symbol management
 Program generation for SIMATIC S7 target systems
 Loading programs on target systems
 Testing the automation plant
 Plant fault diagnostics

STEP 7 Professional consists of the following:

 The STEP 7 basic package including the well proven LAD, FBD and STL languages
 S7-GRAPH for graphic programming of sequential controls
 S7-SCL, the high-level language for programming even the most complex tasks
 S7-PLCSIM for off-line simulation of an automation solution.

STEP 7 Professional includes all the programming languages complying with the international IEC 61131-3 standard and therefore enables cross-company standardization and helps save high software engineering overheads. STEP 7 Professional permits both programming of the PLC-based SIMATIC S7 and C7 controllers and the controllers for PC-based automation, SIMATIC WinAC. This gives the user freedom of choice when selecting a hardware platform and the opportunity to use hybrid software configurations.

STEP 7 Professional executes under the MS Windows 95/98/Me/NT 4.0/XP Professional operating systems and is adapted to the graphics and object-oriented functionality.

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