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Siemens S7-200 SMART vs S7-1200 vs S7-1500: In-Depth Comparison

Comparison

7/26/2026

Siemens S7-200 SMART vs S7-1200 vs S7-1500: In-Depth Comparison

Siemens three main PLC series each have their positioning. This article compares performance, programming, expandability, and price.

Performance Comparison Table

S7-200 SMART: 0.35μs boolean, 12-60KB; S7-1200: 0.08μs, 50-150KB; S7-1500: 0.001μs, 150KB-20MB.

Programming Software Differences

SMART uses STEP 7-Micro/WIN SMART; 1200/1500 use TIA Portal (unified framework). TIA Portal supports SCL, GRAPH advanced languages.

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Side-by-side comparison of three Siemens PLC generations: speed, memory, programming, expandability.

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