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Overview
- The CPU with a very large program and data memory in the S7-1500 Controller product range for fail-safe applications with highest requirements regarding program scope and networking.
- Can be used for safety functions up to SIL 3 according to IEC 61508 and up to PL e according to ISO 13849.
- Extremely high processing speed for binary and floating-point arithmetic.
- For cross-industry automation tasks in series machine, special machine and plant construction
- Used as central controller in production lines with central and distributed I/O
- Supports PROFIsafe in centralized and distributed configuration.
- PROFINET IO IRT interface with 2-port switch.
- Two additional PROFINET interfaces with separate IP addresses.
- PROFINET IO controller for operating distributed I/O on PROFINET.
- PROFINET I-Device for connecting the CPU as an intelligent PROFINET device under a SIMATIC or non-Siemens PROFINET I/O controller.
- PROFIBUS DP master interface.
- Isochronous mode on PROFIBUS and PROFINET.
- Integrated Motion Control functionalities for controlling speed-controlled, positioning and synchronized axes (gearing), support for external encoders, output cams/cam tracks and probes
- Integrated web server with the option of creating user-defined web pages.
Note:
SIMATIC Memory Card required for operation of the CPU.
Application
The CPU 1518F-4 PN/DP is the most powerful S7-1500 CPU with a very large program and data memory for demanding standard and fail-safe applications that also contain distributed automation structures alongside central I/O. It can be used, for example, as a central PLC in production lines or as a machine PLC with high processing speed demands.
The CPU 1518F-4 PN/DP is used as a PROFINET IO controller or as distributed intelligence (PROFINET I-Device). The integrated PROFINET IO IRT interface is designed as a 2-port switch, enabling a linear topology to be set up in the system. The additional integrated PROFINET interfaces with separate IP address can be used for network separation, for example.
Distributed I/O can be connected via PROFIBUS (or PROFIsafe) via the integrated PROFIBUS interface.
In addition, the CPU offers comprehensive control functionalities, as well as the ability to connect drives via standardized PLCopen blocks.
Design
The CPU 1518F-4 PN/DP features:
- A powerful processor:
The CPU achieves a command execution time as low as 1 ns per binary command. - Extensive work memory:
9 MB for program, 60 MB for data - SIMATIC Memory Cards as load memory;
permit additional functions such as datalog and archives - Flexible expansion capability:
single-tier configuration with max. 32 modules (CPU + 31 modules) - Display with functions for
- Display of overview information such as IP address of the integrated interface, station name, plant designation, location identifier, etc.
- Display of safety mode, overall signature and date of the last download with signature change
- Showing diagnostic information
- Showing module information
- Showing display settings
- Setting IP addresses
- Setting the date and time
- Selection of operating mode
- Resetting the CPU to factory settings
- Disabling/enabling of the display
- Enabling of protection levels
- Display of safety mode, overall signature and date of the last download with signature change
- PROFINET IO IRT interface for connecting distributed I/O via PROFINET
- 2 PROFINET interfaces for network separation
- PROFIBUS DP interface for connecting distributed I/O via PROFIBUS
- Supports PROFIsafe in centralized and distributed configuration
Function
- Performance
- Faster command processing, depending on the CPU type, language extensions and new data types
- Even shorter response times of the CPUs due to considerably faster backplane bus
- High-performance network connection:
PROFINET IO IRT (2-port switch) as standard interface. Additional PROFINET interface integrated, e.g. for network separation.
- Integrated technology
- Connection of analog and PROFIdrive-capable drives via standardized blocks (PLCopen)
- Integrated Motion Control functionalities for controlling speed-controlled, positioning and synchronized axes (gearing), support for external encoders, output cams/cam tracks and probes
- Trace functions for all CPU tags, both for diagnostics in real time as well as for sporadic error detection
- Comprehensive control functionalities, e.g. easy to configure blocks for automatic optimization of the control parameters for optimum control quality
- Security Integrated
- Password-based know-how protection against unauthorized read-out and modification of program blocks
- Copy protection for tying individual blocks to the serial number of the SIMATIC Memory Card: The block can only run if the configured memory card is inserted in the CPU.
- 4-stage authorization concept:
Communication to operator panels can also be restricted. - Manipulation protection:
The controller recognizes changed or unauthorized transmissions of the engineering data.
- Design and handling
- Display of overview information:
E.g. Station name, plant designation, location identifier, etc., diagnostic information, module information, display settings. - Possible operations on the display:
Set addresses, set date and time, select operating mode of CPU, reset CPU to factory settings, disable/enable display, activate protection levels.
- Display of overview information:
- Integrated system diagnostics
- System diagnostics information is displayed consistently and in plain text in the display, TIA Portal, operator panels and web server, even for messages from the drives, and updated even if the CPU is in STOP mode.
- Integrated in the firmware of the CPU, no special configuration is required
- SIMATIC Memory Card (required for operation of the CPU)
- Used as plug-in load memory or for updating the firmware.
- Also for storing additional documents or csv files (for recipes and archives)
- Creation of data blocks for storage/reading of data via SFCs of the user program
- Data log (archives) and recipes
- Storage of csv files for recipes and archives on the SIMATIC Memory Card;
easy access to plant-relevant operating data using Office tools and via web server - Easy access to configuration data of the machine by means of a web browser or SD card reader (two-way data exchange from and to the PLC)
- Storage of csv files for recipes and archives on the SIMATIC Memory Card;
- Programming of the standard program section
- Programming with STEP 7 as of V13
- Programming of the fail-safe program section
- Programming of the safety-oriented program section with the “STEP 7 Safety Advanced” option package.
6ES7518-4FP00-0AB0
Siemens SIMATIC S7-1500F, CPU 1518F-4 PN/DP, central processing unit with 9 MB work memory for program and 60 MB for data, 1st interface: PROFINET IRT with 2-port switch, 2nd interface: PROFINET RT, 3rd interface: PROFINET basic services, 4th interface: PROFIBUS, 1 ns bit performance, SIMATIC Memory Card required
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