
Siemens 6ES7518-4FX00-1AC0 CPU 1518F-4 PN/DP MFP
This entry covers the SIMATIC S7-1500F CPU bundle with integrated safety functions. Technical details regarding memory capacity and interface configurations are listed below for review.
Quick Facts
- Part number
- 6ES7518-4FX00-1AC0
- Brand
- Siemens
- Category
- PLC CPUs & Controllers
- Product type
- CPU 1518F-4 PN/DP MFP
- Lifecycle
- Active Product
- Dimensions
- 22.3 x 20.00 x 15.9 cm
- Net weight
- 2.292 Kg
- Source category
- CPU 1518F-4 PN/DP MFP
Product Overview
The SIMATIC S7-1500F series includes the CPU 1518F-4 PN/DP MFP module designed for high-performance automation tasks. This unit integrates robust safety logic capabilities directly into the processing core. Review Siemens 6ES7518-4FX00-1AC0 as CPU 1518F-4 PN/DP MFP with source category CPU 1518F-4 PN/DP MFP, recorded lifecycle Active Product, and submitted model identity.
Memory allocation features 9 MB for program storage and 60 MB for data handling within the working memory space. A SIMATIC Memory Card with at least 2 GB capacity is required for operation.
Technical Review Notes
- Processing speed achieves 1 ns bit performance for rapid execution of control logic sequences. Keep dimensions 22.3 x 20.00 x 15.9 cm and net weight 2.292 Kg unchanged while comparing project documents and product image evidence.
- First interface utilizes PROFINET IRT technology equipped with a built-in two-port switch mechanism.
- Second interface supports PROFINET RT protocol for real-time communication requirements in networked systems.
- Third interface provides PROFINET basic services for standard network connectivity and configuration tasks.
- Fourth interface connects via PROFIBUS protocol to support legacy and specific field device integration.
- The bundle includes C/C++ Runtime and OPC UA Runtime licenses for advanced programming needs.
Model Identification
- Part number 6ES7518-4FX00-1AC0 identifies the specific fail-safe CPU variant within the S7-1500F family. Use the source path Automation technology / Fail-safe CPUs / CPU 1518F-4 PN/DP MFP to confirm catalog context, model family, parameter review scope, and technical inquiry preparation notes.
- The base component corresponds to CPU 1518F-4 PN/DP MFP with reference code 6ES7518-4FX00-1AB0.
- Lifecycle status is recorded as Active Product indicating current manufacturing and support review details.
- Brand designation confirms Siemens as the manufacturer of this industrial automation control hardware.
Technical Parameters
| Product type | CPU 1518F-4 PN/DP MFP |
|---|---|
| Lifecycle | Active Product |
| Dimensions | 22.3 x 20.00 x 15.9 cm |
| Net weight | 2.292 Kg |
| Source category | CPU 1518F-4 PN/DP MFP |
Parameters are factual source fields retained for model review.
Parameter Review
- Physical dimensions are recorded as 22.3 cm in width, 20.00 cm in depth, and 15.9 cm in height. Check product-owned images, label text, connector area, and submitted model references against the exact 6ES7518-4FX00-1AC0 record before publication.
- Net weight of the unit is specified as 2.292 Kg for logistics and mounting calculations.
- Work memory capacity is divided into 9 MB for program blocks and 60 MB for data blocks.
- Minimum memory card requirement is set at 2 GB to ensure proper boot and data storage.
- Interface configuration includes four distinct connection points for diverse network topology implementations.
Catalog Classification
Image & Label Review
- Visual inspection should confirm the presence of all four network interface ports on the front panel.
- Labeling must clearly display the full part number 6ES7518-4FX00-1AC0 for accurate identification purposes.
- Check for any physical damage to the connector pins or housing integrity before submission.
- Verify that the model name CPU 1518F-4 PN/DP MFP matches the technical documentation provided.
Product Image Gallery

Inquiry Preparation
- Gather project requirements specifying the need for fail-safe CPU functionality and PROFINET/PROFIBUS interfaces.
- Confirm that the existing infrastructure supports the 1 ns bit performance and memory allocations listed.
- Ensure that a application context SIMATIC Memory Card with minimum 2 GB capacity is procured separately.
- Prepare technical documents highlighting the specific C/C++ and OPC UA runtime license requirements.
Category Context
This item falls under the Automation technology sector focusing on programmable logic controllers.
It is classified specifically within the Fail-safe CPUs segment for safety-critical applications.
Review Notes
- Cross-reference the part number 6ES7518-4FX00-1AC0 with internal project bills of materials.
- Validate that the dimension and weight data align with rack mounting space constraints.
- Review the interface list to ensure application context with existing network infrastructure protocols.
- Confirm that the active lifecycle status meets long-term maintenance and support expectations.



