Verified Technical Information
- Product type
- CPU 1511-1 PN
- Program work memory
- 150 KB
- Data work memory
- 1 MB
- First interface
- PROFINET IRT with 2-port switch
- Bit performance
- 60 ns
- Firmware version
- V2.9
- SIMATIC Memory Card
- Required
- Rated supply voltage
- 24 V DC
- Lifecycle
- Spare part; cancelled since 2025-04-01
- Successor
- 6ES7511-1AL03-0AB0
- Net weight
- 0.450 kg
- Article number
- 6ES7511-1AK02-0AB0
Reference: Siemens Industry Mall 6ES7511-1AK02-0AB0. Confirm current project data against the latest Siemens documentation.
6ES7511-1AK02-0AB0 Overview
The 6ES7511-1AK02-0AB0 is a SIMATIC S7-1500 CPU 1511-1 PN with 150 KB of program work memory and 1 MB for data. Its first interface is PROFINET IRT with an integrated two-port switch and the published bit performance is 60 ns.
Exact Product View
Selection boundary
This article is now handled by Siemens as a spare part and has been replaced by 6ES7511-1AL03-0AB0. For an installed-system replacement, match firmware, TIA Portal project, memory card and communication requirements before choosing the original or successor CPU.
Engineering Decision Points
Decide spare versus successor
Review whether the installed project must retain the original CPU or can migrate to the successor.
Confirm engineering version
Siemens lists TIA Portal support from V17 for firmware V2.9 and V15 for firmware V2.5.
Prepare the memory card
A SIMATIC Memory Card is required for operation.
Revalidate network timing
Check PROFINET device names, IRT configuration and restart behavior before replacement.
System Compatibility
- Match the project hardware catalog entry and firmware level to the installed automation system.
- Use a compatible SIMATIC Memory Card and verify the stored project backup.
- When selecting the successor, assess program migration, performance changes and spare-parts strategy.
Typical Applications
6ES7511-1AK02-0AB0 FAQ
Which CPU type is this?
It is a SIMATIC S7-1500 CPU 1511-1 PN.
How much work memory is available?
The official description specifies 150 KB for program and 1 MB for data.
Which network interface is integrated?
It has PROFINET IRT with an integrated two-port switch.
Is a memory card required?
Yes. A SIMATIC Memory Card is required.
What is the successor article?
Siemens identifies 6ES7511-1AL03-0AB0 as the successor.
Is this article still a standard active product?
No. Siemens lists it as a spare part in the support phase.
Company & Service
Careful identification before shipment
Our team supports industrial automation sourcing with complete article-number checks, clear product photography and practical export coordination. Share the installed model, quantity and destination so the quotation can be reviewed against your application.
Contact & Message
Sales Manager Cristina
For 6ES7511-1AK02-0AB0, send your quantity, destination and required delivery date.
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