Siemens 6ES7518-4AP00-0AB0 CPU 1518-4 PN/DP

Siemens identifies this order number as CPU 1518-4 PN/DP: a standard CPU with one PROFINET IRT interface including a 2-port switch, a separate PROFINET RT interface, an Ethernet interface and a PROFIBUS interface. It has 1 ns bit performance and requires a SIMATIC Memory Card. The mixed PROFINET and PROFIBUS structure is a decisive project characteristic; it is not equivalent to the newer CPU 1518-3 PN or to the MFP bundle 6ES7518-4AX00-1AC0.

The reviewed Siemens data sheet lists hardware functional status FS10 and firmware V2.9, engineered from TIA Portal V17 for FW V2.9 or from V13 for FW V1.5 and later. Siemens Industry Mall records PM400 product phase-out announcement status, with phase-out effective from 2025-10-01, when checked on 2026-07-24. This status is not a stock or delivery statement. Retain the original Memory Card, CPU backup, PROFIBUS address and bus parameters, all Ethernet addressing, installed firmware and TIA project before replacement. A similar Siemens product should not be treated as a direct replacement until the complete order number, hardware revision, firmware, electrical configuration, software license and system application have been confirmed.

High-capacity S7-1500 control systems that need both PROFINET communication and an integrated PROFIBUS DP interface.

• Complete Order Number
• Hardware Functional Status
• Firmware Version
• TIA Portal Version
• SIMATIC Memory Card
• Program Backup
• PROFINET Configuration
• PROFIBUS Configuration
• Connected Modules
• Required Quantity

This page is specific to Siemens 6ES7518-4AP00-0AB0 as a CPU 1518-4 PN/DP. A similar Siemens component should not be treated as a direct replacement until the complete order number, hardware revision, terminal block or BaseUnit, signal configuration and system application have been confirmed. Compare the order code character by character with the installed item, then check the ET 200SP HA station records, module position, field wiring and applicable engineering documentation. For Ex components, hazardous-area certification, the Ex module-group arrangement and the permitted field-device connection must also be confirmed. The original label and project records remain the basis for technical comparison.

Please provide the complete CPU label, FS10 or installed revision, firmware, TIA Portal project, SIMATIC Memory Card, program backup, PROFINET topology, PROFIBUS address and network parameters, connected modules and quantity.

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