
Inquiry for Siemens 6AG1518-4AP00-4AB0 SIPLUS CPU Controller
This listing provides details for the Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP, identified by part number 6AG1518-4AP00-4AB0. Users may submit inquiries to review technical parameters and lifecycle information for industrial automation projects.
Quick Facts
- Part number
- 6AG1518-4AP00-4AB0
- 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
- 2.299 Kg
- Source category
- SIPLUS CPU 1518-4 PN/DP
Product Overview
The Siemens 6AG1518-4AP00-4AB0 is a central processing unit designed for robust industrial environments. It features conformal coating to withstand challenging operational conditions effectively.
This model belongs to the SIPLUS standard CPU series, offering enhanced durability compared to regular variants. The unit supports extended temperature ranges for diverse applications.
Technical Review Notes
- Central processing capabilities include 4 MB work memory for program storage and 20 MB for data handling within the controller architecture.
- Communication interfaces consist of PROFINET IRT with a two-port switch, plus additional Ethernet and PROFIBUS ports for network connectivity.
- Bit performance is recorded at 1 nanosecond, ensuring rapid processing speeds for high-demand automation tasks and control loops.
- A SIMATIC Memory Card is required for operation, serving as essential storage for firmware and configuration data during runtime.
- Operating temperature range extends from 0 to +60 degrees Celsius, allowing functionality in warmer industrial settings without cooling issues.
- Physical dimensions measure 22.00 by 20.00 by 16.00 centimeters, with a net weight of 2.299 kilograms for mounting considerations.
Model Identification
- The base hardware corresponds to the 6ES7518-4AP00-0AB0 model, adapted specifically for harsh environment applications through specialized modifications.
- SIPLUS branding indicates the inclusion of protective coatings and extended material specifications for increased resistance to environmental stressors.
- PN/DP designation confirms the presence of both PROFINET and PROFIBUS DP interfaces for flexible network integration options.
- Lifecycle status is listed as Phase Out Announce, signaling that this specific model is entering end-of-life stages.
Technical Parameters
| Product type | PLC CPUs & Controllers |
|---|---|
| Lifecycle | Phase Out Announce |
| Dimensions | 22.00 x 20.00 x 16.00 cm |
| Net weight | 2.299 Kg |
| Source category | SIPLUS CPU 1518-4 PN/DP |
Parameters are factual source fields retained for model review.
Parameter Review
- Memory allocation details show a clear separation between program work memory and data work memory for efficient resource management.
- Interface configuration includes multiple communication protocols, supporting complex network topologies and distributed control system architectures.
- Performance metrics highlight the 1 ns bit performance, which is critical for high-speed motion control and synchronization tasks.
- Environmental ratings specify the conformal coating feature, which protects internal components against moisture, dust, and chemical exposure.
- Physical specifications provide exact measurements and weight, aiding in rack space planning and structural support requirements.
Catalog Classification
Image & Label Review
- Visual inspection should confirm the presence of labeling indicating the full part number and SIPLUS classification clearly.
- Connector ports for PROFINET and PROFIBUS must be visible and undamaged, ensuring proper physical interface identification.
- Status LEDs for power and error indications should be present on the front panel for operational monitoring.
- Mounting slots and DIN rail attachment points need verification to ensure application context with standard installation methods.
Product Image Gallery

Inquiry Preparation
- Review the submitted model number to ensure it matches the specific SIPLUS variant required for your project needs.
- Check the lifecycle status documentation to understand the implications of the Phase Out Announce classification for long-term use.
- Verify memory card requirements and ensure appropriate SIMATIC Memory Cards are recorded for system initialization and boot processes.
- Assess environmental conditions to confirm the 0 to +60 degree Celsius rating meets the operational demands of the site.
Category Context
This unit falls under the PLC CPUs & Controllers category, representing core processing elements for automation systems.
It is part of the broader Automation technology sector, specifically within the SIPLUS standard CPUs segment for ruggedized solutions.
Review Notes
- Source parameter review should focus on the distinction between this SIPLUS model and standard S7-1500 counterparts.
- Project document review must account for the Phase Out Announce status when planning future maintenance and supply chains.
- Technical specification analysis highlights the importance of the conformal coating for reliability in harsh industrial environments.
- Inquiry submission requires accurate confirmation of interface needs, particularly regarding PROFINET IRT and PROFIBUS DP configurations.



