SIMATIC ET 200S · CPU WITH PROFIBUS DP SLAVE
A distributed ET 200S controller interface with integrated CPU functionality, PROFIBUS DP connectivity and SIMATIC MMC storage.
Siemens 6ES7151-7AA21-0AB0 is an IM 151-7 CPU interface module for ET 200S with 128 KB work memory and an integrated PROFIBUS DP slave interface on a 9-pin D-sub socket.
The battery-free design requires a SIMATIC Micro Memory Card. Replacement engineering should preserve the STEP 7 project, PROFIBUS address, station configuration and memory-card contents.
| Record | Manufacturer-Verified Position |
|---|---|
| Complete order number | 6ES7151-7AA21-0AB0 |
| Lifecycle | Product Cancellation |
| Cancellation effective date | 01 October 2023 |
| Official evidence | Siemens Industry Mall record for the complete order number |
| Parameter | Verified Detail |
|---|---|
| Product designation | SIMATIC DP IM 151-7 CPU for ET 200S |
| System role | ET 200S CPU interface module and PROFIBUS DP slave |
| PROFIBUS interface | Integrated 9-pin D-sub socket |
| Work memory | 128 KB |
| Load memory | SIMATIC MMC, maximum 8 MB |
| Supply voltage | 24 V DC |
| Hardware version | 01 |
| Firmware version | V3.3 |
| Engineering software | STEP 7 V5.2 + SP1 + HSP219 or V5.5 + SP1 |
| Programming languages | LAD, FBD and STL; optional SCL, CFC, GRAPH and HiGraph |
| Dimensions | 60 × 119.5 × 75 mm |
| Approximate weight | 200 g |
| Country of origin | Germany |
Use current photos of the CPU label, PROFIBUS connector and ET 200S terminal arrangement to confirm the complete configuration.



Combines local CPU execution with modular ET 200S distributed I/O for field-level automation tasks.
Operates as a PROFIBUS DP slave through the integrated 9-pin D-sub interface and defined station configuration.
Supports installed-base maintenance when the exact module, MMC contents and project parameters are preserved.
Match the complete order number 6ES7151-7AA21-0AB0 and hardware version on the module label.
Confirm the ET 200S terminal-module arrangement, PROFIBUS address and DP station configuration.
Retain the SIMATIC MMC and archive the STEP 7 project before replacing the CPU interface module.
Verify that the project uses a supported STEP 7 version and the required hardware support package.
Siemens Industry Mall lists Product Cancellation effective 01 October 2023 and identifies this complete order number as a spare-part product.
It is a SIMATIC DP IM 151-7 CPU interface module for ET 200S with integrated PROFIBUS DP slave communication.
Siemens documents 128 KB work memory and support for a SIMATIC MMC with up to 8 MB load memory.
Siemens Industry Mall lists Product Cancellation effective 01 October 2023.
Retain the SIMATIC MMC, STEP 7 project, PROFIBUS address and complete ET 200S station configuration.
Send the module label, MMC details and ET 200S station configuration for availability and compatibility review.
Email: sales6@apterpower.com | WhatsApp: +86 181 5988 9985
Application-Focused Industrial Support
A focused workflow for identification, ET 200S station review, physical inspection and protected delivery.
STEP 01
We organize CPU label, PROFIBUS connector and terminal-arrangement evidence around the complete order number and hardware revision.
STEP 02
The ET 200S station layout, STEP 7 project, PROFIBUS address and SIMATIC MMC requirements are reviewed for the IM 151-7 CPU.

STEP 03
Visible housing, connector and label condition are recorded before protective packing and shipment planning for the confirmed destination.
Supply and interchange review are tied to the complete 6ES7151-7AA21-0AB0 request, saved MMC contents and the installed ET 200S configuration.
Send the CPU label, MMC details and ET 200S station configuration for service scope, compatibility and delivery review.
Email: sales6@apterpower.com | WhatsApp: +86 181 5988 9985
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Send the exact model and quantity for availability, compatibility, warranty and worldwide delivery review.
Email: sales6@apterpower.com | WhatsApp: +86 181 5988 9985