Product Overview
Siemens 6ES7518-4JP00-0AB0 is a high-end PLC CPU within the SIMATIC S7-1500 MFP(Motion Control,Fail-safe,PROFINET)family.As a safety PLC processor,it combines standard automation,failsafe logic,and multi-axis motion control in a single controller.With a 1 ns bit operation time and 4 MB program work memory,it targets large-scale automotive,packaging,and process automation applications.
What Is a Safety PLC CPU?
A safety PLC CPU is the central processing module of a safety-rated programmable logic controller.It executes both standard automation programs and failsafe safety programs on the same hardware,eliminating the need for a separate safety controller.The CPU manages I/O data exchange,motion control functions,and communication between field devices,HMIs,and higher-level systems.
The Siemens 6ES7518-4JP00-0AB0 belongs to the high-end class of safety PLC CPUs.It runs standard logic and failsafe functions simultaneously in separate task classes,certified to SIL 3 per IEC 61508 and PL e per ISO 13849-1.This single-CPU architecture reduces panel space,wiring complexity,and spare part inventory for complex machines and plants.
Key Specifications
Controller Type:SIMATIC S7-1500 CPU 1518-4 PN/DP MFP
Bit Operation Time:1 ns
Program Work Memory:4 MB
Data Work Memory:20 MB
Integrated Communication Interfaces:4(3×PROFINET with 2-port switch,1×PROFIBUS DP)
PROFINET Functions:IRT,MRP,MRPD,Shared Device,isochronous mode
PROFIBUS DP Functions:DP master and DP slave
Integrated Safety:Failsafe logic per IEC 61508 SIL 3 and ISO 13849 PL e
Integrated Motion Control:Speed axes,positioning axes,synchronous axes,camming,gearing
Integrated Web Server:Yes
Integrated OPC UA Server:Yes
Programming Software:TIA Portal V18 or higher
Power Supply:24 VDC(19.2 to 28.8 VDC)
Mounting Type:35 mm DIN Rail
Maximum Ambient Temperature(Horizontal Mounting):60°C
Maximum Ambient Temperature(Vertical Mounting):45°C
Certifications:CE,cULus,FM,ATEX Zone 2,IECEx
Compliance:RoHS,WEEE
Technical Highlights
Single-controller integration removes the need for separate safety hardware.The MFP designation means Motion control,Fail-safe,and PROFINET are combined in one CPU.A common engineering question is whether a dedicated safety PLC is still required—it is not.The 6ES7518-4JP00-0AB0 runs standard automation and safety logic concurrently,reducing control cabinet depth and wiring time.
1 ns bit operation time supports high-speed logic and synchronized motion.The CPU executes boolean operations in one nanosecond,which is essential for fast servo loops,registration mark correction,and sub-millisecond response on continuous-motion packaging lines.Integrated motion technology objects cover speed,positioning,gearing,and camming without additional motion modules.
Three PROFINET interfaces with built-in switches simplify network design.Each of the three PROFINET ports includes a two-port switch,allowing separate subnets for field I/O,HMI,and IT/vision traffic without external switches.The integrated PROFIBUS DP master keeps compatibility with existing drive and I/O installations during phased migration.
Integrated OPC UA server enables direct MES and SCADA connectivity.The CPU can expose machine data to higher-level systems through its built-in OPC UA server,removing the need for a separate gateway PC.This reduces points of failure and supports Industry 4.0 data integration directly from the controller.
Failsafe integration meets SIL 3 and PL e requirements over PROFIsafe.The CPU supports safety functions such as E-stop,light curtains,safety doors,and laser scanners through PROFIsafe on the same PROFINET network.Hardwired safety relay banks can be eliminated,saving installation labor and simplifying diagnostics.
Applications
Automotive body and powertrain assembly lines:Controls transfer lines,robot cells,presses,and conveyors with integrated standard and safety logic.One CPU coordinates interlock monitoring,servo positioning,and line-level communication without separate safety controllers.
Packaging machinery with high-speed motion synchronization:Runs cam profiles,registration correction,and fill/seal synchronization using integrated technology objects.The 1 ns processing speed supports sub-millisecond response for film tension and cut-off registration on continuous-motion machines.
Large process skids and batch systems:Manages hundreds of analog I/O points across distributed PROFINET stations.The OPC UA server exposes process variables directly to DCS and MES,reducing integration effort compared to separate gateway hardware.
Machine tools and metal forming equipment:Controls servo axes,spindle drives,and tool changers while executing failsafe functions for safety gates,E-stop circuits,and safe torque off.The single-CPU design reduces control cabinet depth and simplifies spare parts management.
Airport baggage handling and logistics systems:Coordinates long-distance conveyor networks with distributed I/O.PROFINET IRT provides deterministic data exchange for high-speed sortation,while PROFIsafe handles E-stop and area guarding without a separate safety network.
Retrofit of legacy S7-300/S7-400 systems:Migrates existing programs to the S7-1500 MFP platform with integrated safety and OPC UA.The PROFIBUS DP master supports communication with legacy DP slaves,enabling phased migration without replacing all field devices at once.
Selection Guidance
Suitable applications:
Large machine or plant programs requiring more than 2 MB of program memory and extensive data handling
Projects where standard automation,failsafe logic,and multi-axis motion control must run in one controller to reduce hardware count
Existing Siemens PROFIBUS DP installations that need a modern CPU with native PROFIBUS master functionality
Systems requiring direct OPC UA data access for MES/IT integration without a gateway computer
Not recommended for:
Small standalone machines with simple digital I/O and no motion or safety requirements.An S7-1200 or entry-level S7-1500 CPU provides sufficient performance at lower cost.
Applications requiring only failsafe logic without high-speed motion or advanced communication.The CPU 1516F-3 PN/DP is a more cost-effective safety PLC for medium-sized safety applications.
Environments with ambient temperatures above 60°C or severe vibration beyond standard industrial specifications.For extreme conditions,select a SIPLUS S7-1500 variant with conformal coating and extended temperature range(-25°C to+70°C).
FAQ
1.How much does the Siemens 6ES7518-4JP00-0AB0 cost and what is included in delivery?
The CPU 1518-4 PN/DP MFP typically ranges from$8,000 to$15,000 USD per unit depending on firmware version,order quantity,and distribution channel.Delivery includes the CPU module,power connector,and printed documentation.Prices fluctuate due to exchange rates,tariffs,and factory adjustments.For an accurate quotation with current availability,contact Beijing Zhongping Technology directly.
2.Is the 6ES7518-4JP00-0AB0 available in stock or is it built to order?
The CPU 1518-4 PN/DP MFP is a standard catalog item,but regional stock levels vary.Common configurations are often available from Siemens distribution centers with shipment within 5 to 10 business days.Units requiring the latest firmware or specific license bundles may have a factory lead time of 4 to 8 weeks.
3.What programming software and licenses are required to configure this safety PLC?
The CPU is programmed using Siemens TIA Portal V18 or higher.A Step 7 Professional license is required for standard PLC programming,and an additional Safety Advanced license is needed for failsafe configuration.Motion control technology objects are included in the CPU firmware;no separate motion license is required for standard speed,positioning,and synchronous axes.
4.Can the 6ES7518-4JP00-0AB0 run standard and safety programs simultaneously without a separate safety controller?
Yes.The MFP designation indicates integrated failsafe capability.Standard automation logic and safety functions execute on the same CPU in separate task classes.The safety program is certified to SIL 3 per IEC 61508 and PL e per ISO 13849-1,so a separate safety PLC is not required.
5.What communication interfaces does the CPU include for field I/O and IT connectivity?
The CPU includes three PROFINET interfaces with two-port switches each and one PROFIBUS DP master.This provides four independent communication channels for field devices,HMI,motion drives,and IT systems.PROFINET IRT supports deterministic real-time data exchange,and the integrated OPC UA server allows direct connection to MES and SCADA applications without a gateway.
6.What are the payment terms and typical lead time when purchasing this PLC CPU?
We accept bank wire transfer(T/T),irrevocable letter of credit(L/C at sight),and major corporate credit cards.For qualified accounts with established purchasing history,Beijing Zhongping Technology offers net 30 payment terms following credit approval.Standard lead time is 2 to 4 weeks for stocked configurations,while non-stocked firmware versions may require 8 weeks.
7.How do I select the correct S7-1500 CPU for my application,and how does the 1518-4 MFP compare to standard CPUs?
Select the 1518-4 MFP if your application requires integrated failsafe logic and multi-axis motion control plus high-speed processing.Standard S7-1500 CPUs without F capability require a separate F-CPU for safety functions.The 1518-4 MFP also provides larger memory and more communication interfaces than mid-range CPUs like the 1516-3 PN/DP,making it suitable for complex machines and large process skids.
8.Is the 6ES7518-4JP00-0AB0 compatible with existing S7-1500 I/O modules and legacy PROFIBUS devices?
Yes.The CPU works with all standard S7-1500 signal modules,technology modules,and communication processors from the same series.The integrated PROFIBUS DP master communicates with legacy S7-300/S7-400 DP slaves,and PROFINET I/O can be mixed with PROFIsafe devices on the same network segment.
9.What warranty and after-sales support are provided with this PLC CPU?
Beijing Zhongping Technology provides a 2-year warranty against manufacturing defects on all new Siemens S7-1500 CPUs.We provide commissioning support,including IP address configuration,firmware update,and TIA Portal project download assistance.Extended warranty and annual preventive maintenance contracts are available at additional cost.
10.Does the CPU support firmware updates,and can failsafe functions be enabled after initial delivery?
Yes.Firmware updates are performed using a Siemens SIMATIC memory card and the TIA Portal online functions.The integrated failsafe functions are available from the current firmware version and can be enabled through the Safety Advanced license when the project is configured.Beijing Zhongping Technology can confirm the installed firmware version before shipment.
FAQ
1.Who are We?
Beijing Zhongping Technology Co., LTD., is a global industrial electrical automation service provider, is a scientific research, design, marketing, technical services, industrial Internet, international import and export services as one of the science and technology companies.
2.What can you buy from us?
PLC, inverter, human-machine interface, hydraulic products, low-voltage power distribution, industrial robots and core components
3.Is the item in stock or need to be purchased from another supplier?
We have a large inventory of goods and have our own warehouse.
4.What advantages do we have over other suppliers?
Our company has a large amount of inventory and a number of warehouses, but also in the country's important industrial provinces and cities with offices and a number of overseas service points. To provide you with intelligent manufacturing one-stop comprehensive services, save efforts, labor and cost.
5.Can you provide 100% new original authentic products?
We only sell new original genuine, no renovation, no fake, only for the original factory original!
6.How long is the delivery time?
If there is a stock, it will take 2-3 working days to ship, if the quantity is large, it will take 5-7 working days after receiving the payment, if it is not a conventional model, it will take some time, we will inform you of the specific delivery time.
7.Is there technical support available?
Of course, we have a professional technical team that can help you solve technical problems.
8.How do we guarantee quality?
We have three processes to control the quality of goods.
1) Our engineers will inspect the production and quality control in the factory regularly.
2) Incoming materials shall be inspected by experienced purchasing engineers before they can be stored.
3) At least 2 people in the logistics department cross-check the goods to be sent before delivery.
9.Can you guarantee the safe and reliable delivery of your products?
Yes, we strictly adopt the international standard packing. We also use special packaging for dangerous goods, and refrigerated shipping for items with temperature requirements. Special item packaging and general cargo standard packaging requirements may incur additional costs.
10.How about the freight?
The cost depends on how you choose to get the goods. Express is usually the fastest but also the most expensive way. Sea freight is the best solution for large quantities of goods. The exact shipping cost depends on the purchase amount、quantity and weight of your order. Please feel free to contact us for more information.
+86 010-64225983
+8613811814778
Building 26, Liyuan Community, Chaoyang District, Beijing, China
