Siemens 6ES7517-3UP00-0AB0 SIMATIC S7-1500TF CPU 1517TF-3 PN/DP
01Technical Summary
Siemens 6ES7517-3UP00-0AB0 is the SIMATIC S7-1500TF CPU 1517TF-3 PN/DP, combining fail-safe control and technology functions in a high-performance CPU. It offers 3 MB program work memory, 8 MB data work memory and a typical 2 ns bit-operation time, with PROFINET IRT, a second Ethernet interface and PROFIBUS. Because a TF CPU can host standard logic, safety logic and motion-related technology objects, every layer of the TIA Portal project must be retained and validated during replacement.
02Specifications
| Manufacturer | Siemens |
|---|---|
| Article Number | 6ES7517-3UP00-0AB0 |
| Product Designation | CPU 1517TF-3 PN/DP |
| Automation Platform | SIMATIC S7-1500TF |
| Program Work Memory | 3 MB |
| Data Work Memory | 8 MB |
| Load Memory | SIMATIC Memory Card, maximum 32 GB |
| Bit Processing Time, Typical | 2 ns |
| Interface 1 | PROFINET IRT with integrated 2-port switch |
| Interface 2 | Ethernet |
| Interface 3 | PROFIBUS |
| Rated Supply | 24 V DC; permissible range 19.2 to 28.8 V DC |
| Firmware / Engineering | V3.1; TIA Portal V19 for FW V3.1 |
| Display | 6.1 cm diagonal |
| Operating Temperature | 0 to 60 °C horizontal; 0 to 40 °C vertical |
03Features
Key Functions
- Combines technology CPU capability with fail-safe S7-1500F program execution.
- Provides 3 MB program work memory and 8 MB data work memory.
- Executes typical bit operations in 2 ns for demanding automation tasks.
- Integrates PROFINET IRT, an additional Ethernet interface and PROFIBUS.
- Supports isochronous operation for compatible distributed and central configurations.
- Supports standard and fail-safe LAD/FBD engineering plus configured technology objects.
Identification
- Manufacturer: Siemens
- Model: 6ES7517-3UP00-0AB0
- Product Type: SIMATIC S7-1500TF fail-safe technology CPU 1517TF-3 PN/DP
- Status: Product phase-out milestone recorded
04Compatibility
- Confirm the exact TF CPU, firmware and TIA Portal / STEP 7 Safety engineering environment.
- Preserve every technology object, axis assignment, telegram, clock-synchronous setting and drive relationship.
- Retain the safety program, F-signature, PROFIsafe parameters and acceptance records.
- Match PROFINET IRT timing, the second Ethernet interface and every PROFIBUS node.
- Use the required SIMATIC Memory Card and verify protection, certificates and firmware before download.
- Do not substitute a standard, F-only or T-only CPU without confirming both technology and safety scope.
05Replacement
- Siemens records a product phase-out milestone dated 1 October 2025 for this article.
- No replacement is asserted as equivalent without checking technology, safety, memory, interfaces and firmware.
- Archive the full TIA Portal project, safety signatures, axis configuration, drive parameters and Memory Card.
- Document all synchronized cycles, motion resources, communications and safety validation results.
- After exchange, validate the safety program, motion functions, communication timing, diagnostics and all machine operating modes.
06FAQ
What is Siemens 6ES7517-3UP00-0AB0?
It is the SIMATIC S7-1500TF CPU 1517TF-3 PN/DP, combining technology and fail-safe control functions.
How much work memory is integrated?
The CPU provides 3 MB for the program and 8 MB for data.
Which interfaces are included?
It includes PROFINET IRT with a two-port switch, a second Ethernet interface and PROFIBUS.
Why is TF important during selection?
TF identifies a technology CPU with fail-safe capability, so both motion-related and safety-related project requirements must be verified.
Is a SIMATIC Memory Card required?
Yes. Siemens specifies a SIMATIC Memory Card as mandatory.
What must be validated after replacement?
Validate technology objects, motion timing, safety signatures, PROFIsafe devices, all networks, diagnostics and machine modes.
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