Step7 Professional Edition 2010 is a tool set for Step7 engineer programming with value-prize, provides more capability than Step 7 Basic. It’s consist of:

• STEP 7 Basic software Version 5.5
• S7 – Graph V5.3 include SP6
• S7 – SCL V5.3 SP5
• S7 – PLCSIM V5.4 SP4

This edition, support 5 languages according to IEC 61131-3 standard to explore the best choice with simple, they are:

• Ladder Diagram (LAD) editor
• Function Block Diagram (FBD) editor
• Instruction List (STL) editor
• Structured Text (S7-SCL) for high-level complex programming
• Sequential Function Chart (S7-GRAPH) for graphical programming of sequential operations