Siemens IM151-7F-CPU CPU Unit

Manufacturer: Siemens

The safety functions of the IM151-7 F-CPU are present in the F program of the CPU and in the fail-safe signal modules. The signal modules monitor the output and input signals by means of discrepancy analyses and test signal injections.

The CPU checks proper operation of the PLC by performing regular self-tests, instruction tests and logic and sequential program flow control. In addition, the I/O is checked by requesting signs of life.

If an error is diagnosed on the system, the latter is moved to a safe state.

An F runtime license is not required for operation of the IM151-7 F-CPU.

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Features Applications Model

Interface module with integrated fail-safe CPU for SIMATIC ET 200S
With DP/MPI interface
For constructing a fail-safe automation system for plants with increased safety requirements
Complies with safety requirements up to SIL 3 according to IEC 61508, IEC 62061 and PL e according to 13849.1
Fail-safe I/O modules can be connected in a distributed configuration through DP master modules (PROFIsafe)
The fail-safe I/O modules of ET200S PROFIsafe can be connected in a centralized configuration
Standard modules can be used for non-safety-relevant applications

The IM 151-7 F-CPU supports setting up a fail-safe automation system for plant with stringent safety requirements, particularly in production engineering.
The intelligent ET 200S station can also be implemented standalone.
As a PROFIBUS DP slave they can be used for distributed, fail-safe expansion of both the fail-safe and the standard versions of PROFIBUS DP masters.

Mfr. Part No.	Description
6ES7151-7FA21-0AB0	ET200S, IM151-7 F-CPU INTERFACE, 192KB

Siemens IM151-7F-CPU CPU Unit

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