The Siemens 6ES7518-4FP00-0AB0 is a SIMATIC S7-1500F CPU 1518F-4 PN/DP designed for failsafe automation and high-performance control applications.
The CPU provides 9 MB of integrated work memory for the program and 60 MB for data. Typical processing time is 1 ns for bit operations, supporting applications with demanding control-cycle requirements.
Four communication interfaces are integrated. The first interface provides PROFINET IRT through a two-port switch. The second supports PROFINET RT, while the third provides PROFINET basic services. The fourth interface supports PROFIBUS DP master communication.
The CPU supports PROFIsafe and can achieve SIL 3 according to IEC 61508 and Performance Level e according to ISO 13849-1 in safety applications. A SIMATIC Memory Card is required for operation.
SIMATIC S7-1500F failsafe central processing unit
CPU 1518F-4 PN/DP architecture
9 MB program work memory
60 MB data work memory
1 ns typical bit processing time
Three integrated PROFINET interfaces
One integrated PROFIBUS interface
PROFINET IRT support on the first interface
PROFINET RT support on the second interface
PROFIBUS DP master functionality
PROFIsafe V2.4 and V2.6 support
Up to 512 PROFINET IO Devices on the first interface
Integrated web server
Hardware clock and NTP synchronization
SIMATIC Memory Card required
SIL 3 and Performance Level e capability for safety applications
Failsafe machine control
High-speed PLC applications
Distributed PROFINET automation systems
PROFIBUS and PROFINET network integration
Safety-related machine automation
Motion-control applications
High-performance production line control
Integrated standard and safety control architectures
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Article Number | 6ES7518-4FP00-0AB0 |
| Product Type | Failsafe Central Processing Unit |
| Product Family | SIMATIC S7-1500F |
| CPU Designation | CPU 1518F-4 PN/DP |
| Hardware Functional Status | FS11 |
| Firmware Version | V3.1 |
| Firmware Update | Supported |
| SIMATIC Memory Card | Required |
| Parameter | Specification |
|---|---|
| Program Work Memory | 9 MB |
| Data Work Memory | 60 MB |
| Maximum Load Memory | 32 GB via SIMATIC Memory Card |
| Memory Card Slots | 1 |
| Parameter | Specification |
|---|---|
| Bit Operation Time | 1 ns typical |
| Word Operation Time | 2 ns typical |
| Fixed-point Arithmetic | 2 ns typical |
| Floating-point Arithmetic | 6 ns typical |
| Maximum Program Blocks / UDTs | 20,000 |
| Parameter | Specification |
|---|---|
| Rated Supply Voltage | 24 VDC |
| Permissible Voltage Range | 19.2 to 28.8 VDC |
| Rated Current Consumption | 1.55 A |
| Maximum Current Consumption | 1.9 A |
| Maximum Inrush Current | 1.9 A |
| Backplane Bus Infeed Power | 12 W |
| Typical Power Loss | 24 W |
| Reverse Polarity Protection | Yes |
| Parameter | Specification |
|---|---|
| PROFINET Interfaces | 3 |
| PROFIBUS Interfaces | 1 |
| X1 Interface | PROFINET IRT, 2-port integrated switch |
| X2 Interface | PROFINET RT |
| X3 Interface | PROFINET basic services |
| X4 Interface | PROFIBUS DP |
| X1 Connector | 2 x RJ45 |
| X2 Connector | 1 x RJ45 |
| X3 Connector | 1 x RJ45 |
| X4 Interface Type | RS-485 |
| Maximum PROFIBUS Rate | 12 Mbit/s |
| Integrated IO Controllers | 2 |
| Integrated DP Masters | 1 |
| PROFIsafe | V2.4 / V2.6 |
| Parameter | Specification |
|---|---|
| X1 Maximum IO Devices | 512 |
| X2 Maximum IO Devices | 128 |
| PROFINET IRT | Supported on X1 |
| Isochronous Mode | Supported on X1 |
| PROFIenergy | Supported |
| MRP | Supported |
| MRPD | Supported with IRT |
| Parameter | Specification |
|---|---|
| Maximum Safety Integrity Level | SIL 3 according to IEC 61508 |
| Maximum Performance Level | PLe according to ISO 13849-1 |
| PROFIsafe | Supported |
| Parameter | Specification |
|---|---|
| Engineering Software | STEP 7 TIA Portal |
| TIA Portal Support | V19 for firmware V3.1 |
| Programming Languages | LAD, FBD, STL, SCL, CFC, GRAPH |
| Failsafe LAD / FBD | Supported |
| Parameter | Specification |
|---|---|
| Operating Temperature, Horizontal | 0 to 60 degC |
| Operating Temperature, Vertical | 0 to 40 degC |
| Storage / Transport Temperature | -40 to 70 degC |
| Maximum Installation Altitude | 5,000 m |
| Parameter | Specification |
|---|---|
| Width | 175 mm |
| Height | 147 mm |
| Depth | 129 mm |
| Weight | Approx. 2,079 g |
| Interface | Function |
|---|---|
| X1 | PROFINET IRT with integrated 2-port switch |
| X2 | PROFINET RT |
| X3 | Ethernet interface for PROFINET basic services |
| X4 | PROFIBUS DP master interface |
| SIMATIC Memory Card Slot | Program and load memory |
Verify the complete article number before replacing an installed CPU.
Confirm the 24 VDC supply remains within the permitted voltage range.
Install a compatible SIMATIC Memory Card before commissioning.
Back up the existing TIA Portal project and CPU configuration before replacement.
Confirm the required PROFINET and PROFIBUS network assignments.
Verify device names, IP parameters, and PROFIBUS addresses before startup.
Validate standard and failsafe program operation separately.
Check PROFINET devices and PROFIBUS nodes before returning the system to normal operation.
Match the complete 6ES7518-4FP00-0AB0 article number when replacing an installed CPU.
Confirm firmware compatibility with the existing TIA Portal project.
Preserve the original safety configuration and PROFIsafe settings.
A SIMATIC Memory Card is required and should be included in replacement planning.
Global Express Shipping
Returns & Warranty
Manufacturer: Siemens
Product No.: 6ES7518-4FP00-0AB0
Country of origin:Germany
Product Type: Failsafe Central Processing Unit
Barcode: 85371091
Payment: T/T, Western Union
Weight: 2079g
Dimensions: 175 x 147 x 129 mm
Shipping port: Xiamen
Warranty: 12 months
The Siemens 6ES7518-4FP00-0AB0 is a SIMATIC S7-1500F CPU 1518F-4 PN/DP designed for failsafe automation and high-performance control applications.
The CPU provides 9 MB of integrated work memory for the program and 60 MB for data. Typical processing time is 1 ns for bit operations, supporting applications with demanding control-cycle requirements.
Four communication interfaces are integrated. The first interface provides PROFINET IRT through a two-port switch. The second supports PROFINET RT, while the third provides PROFINET basic services. The fourth interface supports PROFIBUS DP master communication.
The CPU supports PROFIsafe and can achieve SIL 3 according to IEC 61508 and Performance Level e according to ISO 13849-1 in safety applications. A SIMATIC Memory Card is required for operation.
SIMATIC S7-1500F failsafe central processing unit
CPU 1518F-4 PN/DP architecture
9 MB program work memory
60 MB data work memory
1 ns typical bit processing time
Three integrated PROFINET interfaces
One integrated PROFIBUS interface
PROFINET IRT support on the first interface
PROFINET RT support on the second interface
PROFIBUS DP master functionality
PROFIsafe V2.4 and V2.6 support
Up to 512 PROFINET IO Devices on the first interface
Integrated web server
Hardware clock and NTP synchronization
SIMATIC Memory Card required
SIL 3 and Performance Level e capability for safety applications
Failsafe machine control
High-speed PLC applications
Distributed PROFINET automation systems
PROFIBUS and PROFINET network integration
Safety-related machine automation
Motion-control applications
High-performance production line control
Integrated standard and safety control architectures
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Article Number | 6ES7518-4FP00-0AB0 |
| Product Type | Failsafe Central Processing Unit |
| Product Family | SIMATIC S7-1500F |
| CPU Designation | CPU 1518F-4 PN/DP |
| Hardware Functional Status | FS11 |
| Firmware Version | V3.1 |
| Firmware Update | Supported |
| SIMATIC Memory Card | Required |
| Parameter | Specification |
|---|---|
| Program Work Memory | 9 MB |
| Data Work Memory | 60 MB |
| Maximum Load Memory | 32 GB via SIMATIC Memory Card |
| Memory Card Slots | 1 |
| Parameter | Specification |
|---|---|
| Bit Operation Time | 1 ns typical |
| Word Operation Time | 2 ns typical |
| Fixed-point Arithmetic | 2 ns typical |
| Floating-point Arithmetic | 6 ns typical |
| Maximum Program Blocks / UDTs | 20,000 |
| Parameter | Specification |
|---|---|
| Rated Supply Voltage | 24 VDC |
| Permissible Voltage Range | 19.2 to 28.8 VDC |
| Rated Current Consumption | 1.55 A |
| Maximum Current Consumption | 1.9 A |
| Maximum Inrush Current | 1.9 A |
| Backplane Bus Infeed Power | 12 W |
| Typical Power Loss | 24 W |
| Reverse Polarity Protection | Yes |
| Parameter | Specification |
|---|---|
| PROFINET Interfaces | 3 |
| PROFIBUS Interfaces | 1 |
| X1 Interface | PROFINET IRT, 2-port integrated switch |
| X2 Interface | PROFINET RT |
| X3 Interface | PROFINET basic services |
| X4 Interface | PROFIBUS DP |
| X1 Connector | 2 x RJ45 |
| X2 Connector | 1 x RJ45 |
| X3 Connector | 1 x RJ45 |
| X4 Interface Type | RS-485 |
| Maximum PROFIBUS Rate | 12 Mbit/s |
| Integrated IO Controllers | 2 |
| Integrated DP Masters | 1 |
| PROFIsafe | V2.4 / V2.6 |
| Parameter | Specification |
|---|---|
| X1 Maximum IO Devices | 512 |
| X2 Maximum IO Devices | 128 |
| PROFINET IRT | Supported on X1 |
| Isochronous Mode | Supported on X1 |
| PROFIenergy | Supported |
| MRP | Supported |
| MRPD | Supported with IRT |
| Parameter | Specification |
|---|---|
| Maximum Safety Integrity Level | SIL 3 according to IEC 61508 |
| Maximum Performance Level | PLe according to ISO 13849-1 |
| PROFIsafe | Supported |
| Parameter | Specification |
|---|---|
| Engineering Software | STEP 7 TIA Portal |
| TIA Portal Support | V19 for firmware V3.1 |
| Programming Languages | LAD, FBD, STL, SCL, CFC, GRAPH |
| Failsafe LAD / FBD | Supported |
| Parameter | Specification |
|---|---|
| Operating Temperature, Horizontal | 0 to 60 degC |
| Operating Temperature, Vertical | 0 to 40 degC |
| Storage / Transport Temperature | -40 to 70 degC |
| Maximum Installation Altitude | 5,000 m |
| Parameter | Specification |
|---|---|
| Width | 175 mm |
| Height | 147 mm |
| Depth | 129 mm |
| Weight | Approx. 2,079 g |
| Interface | Function |
|---|---|
| X1 | PROFINET IRT with integrated 2-port switch |
| X2 | PROFINET RT |
| X3 | Ethernet interface for PROFINET basic services |
| X4 | PROFIBUS DP master interface |
| SIMATIC Memory Card Slot | Program and load memory |
Verify the complete article number before replacing an installed CPU.
Confirm the 24 VDC supply remains within the permitted voltage range.
Install a compatible SIMATIC Memory Card before commissioning.
Back up the existing TIA Portal project and CPU configuration before replacement.
Confirm the required PROFINET and PROFIBUS network assignments.
Verify device names, IP parameters, and PROFIBUS addresses before startup.
Validate standard and failsafe program operation separately.
Check PROFINET devices and PROFIBUS nodes before returning the system to normal operation.
Match the complete 6ES7518-4FP00-0AB0 article number when replacing an installed CPU.
Confirm firmware compatibility with the existing TIA Portal project.
Preserve the original safety configuration and PROFIsafe settings.
A SIMATIC Memory Card is required and should be included in replacement planning.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Color pattern |
Greyish White
|
| Country of origin |
Germany
|
| Power source |
DC Power
|
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