Siemens SIMATIC S7-1500 Operating Instructions Manual page 7

Definitions and naming conventions
The following terms are used in this documentation:
● CPU: This term refers to the CPU 1505SP (F)
If a piece of information only affects one of the CPU versions, it is explicitly named.
● STEP 7: For designation of the configuration and programming software, we use "STEP
7" in this documentation as a synonym for version "STEP 7 V15.1 (TIA Portal)".
● PC: This term designates a CPU 1515SP PC2.
CPU 1505SP (F) Ready4Linux Version 2.7
Operating Instructions, 05/2019, A5E46864285-AA
Documentation guide
1.1 Guide for these operating instructions
7