6ES7315-6FF04-0AB0
Siemens SIMATIC S7-300, CPU 315F-2DP Fail-safe module with MPI Integr. power supply 24 V DC, Work memory 384 KB, 40 mm width, 2nd interface DP master/slave Micro Memory Card required
Overview
- Based on the SIMATIC CPU 315-2 DP
- For constructing a fail-safe automation system for plants with increased safety requirements
- Complies with safety requirements to SIL 3 acc. to IEC 61508 and PL e acc. to ISO 13849.1
- Distributed fail-safe I/O modules can be connected locally via the integrated PROFIBUS DP interface (PROFIsafe)
- Fail-safe ET 200M I/O modules can also be centrally connected
- Central and distributed use of standard modules for non safety-oriented applications
Application
The CPU 315F-2 DP permits the design of fail-safe automation systems for plants with increased safety requirements, especially for production engineering.
Distributed I/O stations containing fail-safe I/O modules can be connected through the integrated PROFIBUS DP interface. The fail-safe ET 200M I/O modules can also be installed in central and safety-related configurations.
Safety-related communication between the F CPU and the fail-safe I/O modules is performed on the basis of the PROFIsafe profile.
Design
The CPU 315F-2 DP features the following:
- Microprocessor;
the processor achieves a processing time of approximately 50 ns per binary instruction and 0.45 µs per floating-point operation.
- Memory:
384 KB high-speed RAM for safety-relevant and standard program sections; increased memory space requirements must be expected (5 times larger) if safety-relevant program sections are implemented. Of the 384 KB RAM, 128 KB data memory can be used for standard applications. SIMATIC Micro Memory Cards (max. 8 MB) as load memories for programs additionally permit storage of the project (including symbols and comments) in the CPU.
- Flexible expansion capability;
max. 32 modules, (4-tier configuration)
- MPI multi-point interface;
the integrated MPI interface can establish as many as 16 connections simultaneously to S7-300/400 or to the PG, PC, OP. Among these connections, one is always reserved for programming devices and another for OPs. The MPI makes it possible to set up a simple network with a maximum of 16 CPUs via "global data communication".
- PROFIBUS DP interface:
The CPU 315F-2 DP with PROFIBUS DP master/slave interface allows a distributed automation configuration offering high speed and ease of use. From the user's point of view, the distributed I/O is handled in the same manner as central I/O (identical configuration, addressing and programming).
Distributed I/O stations with fail-safe I/O modules can be connected via the integral PROFIBUS DP interface. The fail-safe I/O modules of ET 200M can also be installed in central, safety-related configurations.
The safety-oriented communication between the F-CPU and the fail-safe I/O modules is performed on the basis of the PROFIsafe profile.
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Data Sheet (PDF)
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