Series
SIMATIC S7-1500
S7-1500 is Siemens' mid-to-high-performance PLC platform, covering standard CPU, Technology, Fail-safe and higher-performance control tasks. The complete MLFB should be provided when purchasing, and the CPU, I/O, communication, power module and TIA Portal versions should be checked.
The MLFB of an S7-1500 CPU usually starts with 6ES75..., but the CPU name, program storage, data storage, PROFINET/PROFIBUS interface and version must be bound to the specific MLFB. When selecting, you also need to confirm whether it is a special CPU such as F/TF/T, the required communications port, performance level, and compatible memory cards and I/O systems.
| MLFB | CPU | Program memory | Data memory | interfaces |
|---|---|---|---|---|
| 6ES7511-1AL03-0AB0 | CPU 1511-1 PN | Standard CPU | PROFINET IRT 2-port | |
| 6ES7513-1AM03-0AB0 | CPU 1513-1 PN | Standard CPU | PROFINET | |
| 6ES7515-2AN03-0AB0 | CPU 1515-2 PN | Standard CPU | Dual PN level | |
| 6ES7516-3AP03-0AB0 | CPU 1516-3 PN/DP | Standard CPU | PROFINET + PROFIBUS DP | |
| 6ES7517-3AQ10-0AB0 | CPU 1517-3 PN | Standard CPU | Higher-performance PROFINET CPU | |
| 6ES7518-3AT10-0AB0 | CPU 1518-3 PN | Standard CPU | High-performance PROFINET CPU | |
| 6ES7511-1FL03-0AB0 | CPU 1511F-1 PN | Fail-safe CPU | PROFINET IRT 2-port | |
| 6ES7513-1FM03-0AB0 | CPU 1513F-1 PN | Fail-safe CPU | PROFINET | |
| 6ES7515-2FN03-0AB0 | CPU 1515F-2 PN | Fail-safe CPU | Dual PN level | |
| 6ES7516-3FP03-0AB0 | CPU 1516F-3 PN/DP | Fail-safe CPU | PROFINET + PROFIBUS DP | |
| 6ES7517-3FQ10-0AB0 | CPU 1517F-3 PN | Fail-safe CPU | Higher-performance PROFINET CPU | |
| 6ES7518-3FT10-0AB0 | CPU 1518F-3 PN | Fail-safe CPU | High-performance PROFINET CPU |
The table shows verified representative models and key specifications. If your required model is not listed, send the complete ordering code for verification.
FAQ
Frequently Asked Questions
What are the main differences between 6ES7511-1AL03-0AB0 and 6ES7513-1AM03-0AB0?
CPU: 6ES7511-1AL03-0AB0 is CPU 1511-1 PN, 6ES7513-1AM03-0AB0 is CPU 1513-1 PN; Program memory: 6ES7511-1AL03-0AB0 is 300KB, 6ES7513-1AM03-0AB0 is 600KB; Data memory: 6ES7511-1AL03-0AB0 is 1.5MB, 6ES7513-1AM03-0AB0 is 2.5MB. Verify the complete ordering code and project conditions before selection or replacement; the series name alone is not sufficient.
Which specifications matter most when selecting SIMATIC S7-1500?
Key specifications to verify are CPU, Program memory, Data memory, interfaces. Match them against the equipment nameplate, drawing or original model, and retain every suffix, option and regional code in the complete ordering reference.
Why is the complete part number required when requesting a quote for SIMATIC S7-1500?
Models within SIMATIC S7-1500 may differ in electrical ratings, construction, interfaces or accessories. For example, 6ES7511-1AL03-0AB0, 6ES7513-1AM03-0AB0, 6ES7515-2AN03-0AB0 are distinct configurations and cannot be interchanged on the series name alone. Using the complete part number substantially reduces mismatch risk.
How should SIMATIC S7-1500 be used as spare parts for installed equipment?
For installed-base MRO involving SIMATIC S7-1500, provide the original part number, nameplate photo, equipment application and quantity. We first verify the existing model and critical specifications, then check whether the original remains available. If migration is required, mounting, electrical, communication and accessory differences are compared separately.
Request a quote SIMATIC S7-1500
Please provide the complete part number, quantity and destination country. For installed-base replacements, include the original model and nameplate details.
