
Siemens 6AG1518-4FP00-4AB0 SIPLUS S7-1500 CPU Inquiry
This listing details the Siemens 6AG1518-4FP00-4AB0, a fail-safe central processing unit designed for demanding industrial environments. Users may submit inquiries to review its technical parameters and current lifecycle status.
Quick Facts
- Part number
- 6AG1518-4FP00-4AB0
- Brand
- Siemens
- Category
- PLC CPUs & Controllers
- Product type
- PLC CPUs & Controllers
- Lifecycle
- Phase Out Announce
- Dimensions
- 22.00 x 20.00 x 16.00 cm
- Net weight
- 2.282 Kg
- Source category
- SIPLUS CPU 1518F-4 PN/DP
Product Overview
The Siemens 6AG1518-4FP00-4AB0 is a robust SIPLUS S7-1500 CPU engineered for extended temperature ranges up to 60 degrees Celsius. It features conformal coating for enhanced protection against harsh industrial conditions and environmental stressors.
This central processing unit integrates substantial memory resources, including 4.5 MB for program storage and 10 MB for data handling. It supports high-speed operations with a bit performance rate recorded at 1 nanosecond for precise control tasks.
Technical Review Notes
- The device includes four distinct communication interfaces to facilitate complex network configurations within automated systems.
- The first interface utilizes PROFINET IRT technology equipped with a built-in two-port switch for real-time data exchange.
- A second Ethernet interface provides standard connectivity options for integration into existing industrial network infrastructures.
- The third interface offers another Ethernet port, allowing for additional network segmentation or redundant connection setups.
- The fourth interface supports PROFIBUS communication, enabling seamless interaction with legacy devices and distributed I/O stations.
- A SIMATIC Memory Card is required for operation, serving as essential storage for firmware and configuration data.
Model Identification
- This model is derived from the base unit 6ES7518-4FP00-0AB0, adapted specifically for SIPLUS fail-safe applications.
- The part number 6AG1518-4FP00-4AB0 identifies the specific variant with extended environmental ratings and safety features.
- It belongs to the SIPLUS CPU 1518F-4 PN/DP series, indicating its classification within Siemens' automation portfolio.
- The 'F' designation in the model name signifies its role as a fail-safe processor for safety-critical processes.
Technical Parameters
| Product type | PLC CPUs & Controllers |
|---|---|
| Lifecycle | Phase Out Announce |
| Dimensions | 22.00 x 20.00 x 16.00 cm |
| Net weight | 2.282 Kg |
| Source category | SIPLUS CPU 1518F-4 PN/DP |
Parameters are factual source fields retained for model review.
Parameter Review
- Physical dimensions are recorded as 22.00 x 20.00 x 16.00 centimeters, defining its spatial footprint for installation planning.
- The net weight is listed at 2.282 kilograms, which is relevant for logistics and mounting structure assessments.
- Operating temperature range extends from 0 to +60 degrees Celsius, exceeding standard industrial controller capabilities significantly.
- Work memory allocation includes 4.5 MB for program blocks and 10 MB for data blocks for efficient processing.
- Lifecycle status is currently noted as Phase Out Announce, requiring careful consideration for long-term project viability.
Catalog Classification
Image & Label Review
- Visual inspection should confirm the presence of conformal coating on internal components visible through design features.
- Check that all four interface ports are clearly identifiable and undamaged before submitting detailed technical inquiries.
- Verify the label displaying the full part number 6AG1518-4FP00-4AB0 matches the inquiry documentation precisely.
- Ensure the physical condition reflects the stated dimensions and weight for accurate shipping and handling estimates.
Product Image Gallery

Inquiry Preparation
- Review the submitted model number to ensure it aligns with your specific fail-safe automation requirements.
- Consider the Phase Out Announce status when planning for future maintenance and long-term supply chain stability.
- Prepare questions regarding the review restrictions associated with product class B for proper handling procedures.
- Document the required SIMATIC Memory Card specifications to ensure complete system functionality upon deployment.
Category Context
This unit falls under the broader Automation technology sector, specifically within specialized controller classifications.
It is categorized under PLC CPUs & Controllers, highlighting its role as a central processing component.
The SIPLUS fail-safe CPUs subcategory indicates its suitability for environments requiring enhanced durability and safety.
Review Notes
- Source parameter review confirms the technical specifications match the documented Siemens documentation for this part number.
- Project document review should account for the extended temperature range and conformal coating benefits.
- Lifecycle assessment indicates the need for strategic planning due to the announced phase-out status.
- Technical summary verification ensures all interface types and memory allocations are accurately represented for inquiries.



