When you hear the word “Lite” software, and you tend to think that software is really useful. Depending on your needs, this may not be the case with Siemens STEP 7 Lite package. Four major constraints in the STEP 7 Lite verses advanced STEP 7 package are:

Support for SIMATIC S7-300 PLC, C7 all-in-One HMI and PLC are limited, intelligent CPU ET200M Distributed I / O family. So no programming S7-200 or S7-400 series PLC.
No network at all. Remote I / O racks (IM modules) are supported, but not for Profibus DP, even if you have a DP port on the CPU.
No support for multi-projects or HMI integration.
No communication processors (CP) or functional modules (FM) supports.
If you would like further information, see our chart of differences between the STEP 7 program packages. Thus, there is quite a big limitation, Step 7 Lite software to further your reading this review at the end of May.
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