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STEP 7 (PLC Classic Software)

Siemens STEP 7 Classic for legacy systems

STEP 7 (PLC Classic Software)
 

STEP 7 - On first name terms with the hardware

The new SIMATIC automation platform covers everything that you need for automation today: programmable logic controllers covering a wide range of performance, complete units, in which the operator panel is already included, PC-based control, external control and monitoring solutions and communication networks.

All of this under a single user interface, without any interface problems, as a fully integrated complete solution.

This removes barriers that have until now cost companies a lot of money: the barrier between PLC and the computer world, the barrier between process engineering and production technology – and even the barrier between standard software and automation software.

This brings us right to the topic. Because the basis of all these advantages is the software. And the foundation of this software system is STEP 7, of which there are two types: for users who only use a part of the SIMATIC automation platform as hardware (and therefore do not need the full spectrum) and for those who use the full range.

The following applies to all versions: they ensure that users are on familiar terms with their hardware!

Selection Aid for STEP 7
STEP 7 Lite
STEP 7
STEP 7 Professional
Configuration
Target systems
S7-300/C7
S7-300/S7-400/C7/WinAC
Modules
Digital, analog I/O, IFM only centrally
digital, analog I/O, IFM, FM, CP centralised and distributed (DP)
Networking/communication
Time-controlled, cyclic data transmission between automation components; MPI, PROFIBUS or Industrial Ethernet
Distributed I/O
No
Yes
Signal configuration (display via HMI)
No
Yes
Write to / read from MMC
Yes, only in CPU
Yes, in CPU and directly onto PG/PC (update of the AS operating system possible)
Export/Import
Program, symbols
Program, symbols, hardware configuration
Documentation settings
included
Included; DOCPRO option for standard-compliant documentation of the S7 project
Document projects in multiple languages
Yes
Yes
Multi-user engineering
No
Yes
Programming
Languages
LAD/FBD/STL
LAD/FBD/STL and STL source
as STEP 7 additionally S7-GRAPH (step sequence) /S7-SCL (textual high-level language)
Structured/symbolic programming
Yes/Yes
Yes/Yes
Check/establish prog. consistency
Yes/Yes
Yes/Yes
Standard/user libraries
Yes/No
Yes/Yes
Online functions
Online access
MPI
MPI, PROFIBUS, option: Industrial Ethernet
Test functions
Monitor, control, force
Monitor, control, force, single step (debug)
Comparison function off/online
Program, hardware configuration
Program
Diagnostics
System diagnostics
System diagnostics, system error reporting, integrated process error diagnostics for S7-GRAPH
Option packages
Optional programming languages
No
S7-GRAPH, S7-SCL, CFC
CFC
Options for simulation, documentation, diagnostics, and remote maintenance
S7-PLCSIM, S7-Teleservice
S7-PLCSIM, S7-DOCPRO, TeleService, S7-PDiag
DOCPRO, TeleService, S7-PDiag (S7-PLCSIM is included in the scope of supply)

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