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6/13/2012 3:51 PM | |
Joined: 9/27/2006 Last visit: 9/25/2024 Posts: 12283 Rating: (2685)
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Hello gam01hr; Have a look ate this FAQ for starters, it will provide much information you might find interesting: What are the essential differences between STEP 7 Lite and STEP 7 / STEP 7 Professional? Since you want to program S7-300 CPUs (and probably use communication networks such as Profibus, Ind. Ethernet), then Step 7 or Step 7 Professional can be good choices. The difference between the basic and professional versions is that the Step 7 Professional license includes programming languages that are not available in the Step 7 package (SCL, for hogh-level programming, useful for mathematical functions and arrays control; and S7-Graph, a sequential control package useful for process and machinery control); it also includes PLCSim, a simulation program that allows you to develop and test programs without the PLC hardware. You can purchase the licenses for SCL, S7-Graph and PLCSim individually if you ever need themand add them at a later date to your S7 programming PC. So the choice between Step 7 and Step 7 professional is measured in your everyday requirements at this time. Hope this helps, Daniel Chartier |
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