The industrial world's most stubborn, most installed PLC programming language—where German engineering meets your deadline.
means A proprietary software platform by Siemens for programming, configuring, and troubleshooting STEP 7 programmable logic controllers (PLCs), using ladder logic and structured text to automate factories, utilities, and infrastructure.
from Launched in 1990 by Siemens AG (Munich) as the successor to STEP 5, named STEP (Siemens Totally Integrated Automation Engineering Program) because Germans love acronyms that actually mean something. The 'Step 7' branding reflects the generational leap in PLC programming—ladder logic finally met structured control.
deutsche telekom networks — controls telecom infrastructure across Germany; runs on STEP 7 for signal routing
siemens themselves — their own factories use it—eating their own dog food since 1990
water treatment plants — hundreds of municipal systems worldwide rely on STEP 7 for chlorination, flow control