| |
STEP 7 Lite
|
STEP 7
|
STEP 7 Professional
|
| Configuring |
| PLCs |
S7-300/C7
|
S7-300/S7-400/C7/WinAC
|
| Modules |
Digital, analog I/O, IFM
centralized only
|
Digital, analog I/O, IFM, FM, CP
centralized and distributed (DP)
|
| Networking/communications |
No
|
Time-driven, cyclic data transmission between automation components;
MPI, PROFIBUS or Industrial Ethernet
|
| Distributed I/O |
No
|
Yes
|
| Alarm configuring (display->HMI) |
No
|
Yes
|
| Write/read to/from MMC |
Yes, in CPU only
|
Yes, in CPU and direct on PG/PC
(updating of PLC operating system possible)
|
| Export/import |
Program, symbols
|
Program, symbols, hardware configuration
|
| Documentation function |
Included
|
Included - S7-DOCPRO option for standard-compliant documentation of the S7 project
|
| Multi-language documentation of projects |
Yes
|
Yes
|
| Multi-user engineering |
No
|
Yes
|
| Programming |
| Languages |
LAD/FBD/STL
|
LAD/FBD/STL and STL sources
|
As Step 7
+ S7-Graph (sequencer)/S7-SCL (textual high-level language)
|
| Structured/symbolic programming |
Yes/Yes
|
Yes/Yes
|
| Check/establish program consistency |
Yes/Yes
|
Yes/Yes
|
| Standard libraries/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 offline/online |
Program, hardware configuration
|
Program
|
| Diagnostics |
System diagnostics
|
System diagnostics, report system fault, integrated process fault diagnostics in S7-Graph
|
| Optional packages |
| Optional programming languages |
None
|
S7-Graph, S7-SCL, S7-HiGraph, CFC
|
S7-HiGraph, CFC
|
| Options for simulation, documentation, diagnostics and remote maintenance |
S7-PLCSIM, S7-Teleservice
|
S7-PLCSIM, S7-Teleservice, S7-DOCPRO, S7-Pdiag
|
S7-Teleservice, S7-DOCPRO, S7-Pdiag
(S7-PLCSIM is all ready included in package)
|
Tools for PLC programming
