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SIMATIC
ET 200S distributed I/O
IM 151-7 F-CPU, 6ES7151-7FA21-0AB0, edition 01, as of
firmware V3.3
Product Information
Introduction
This Product Information contains important information on 6ES7151-7FA21-0AB0. It is a separate component and should
be considered more up-to-date than the information in the manuals and catalogs if uncertainties arise.
Validity of this Product Information
This Product Information is valid for the IM 151-7 F-CPU with order number 6ES7151-7FA21-0AB0, as of hardware release
01 and as of firmware version V3.3.
This Product Information describes the specifications of the IM 151-7 F-CPU with the order number 6ES7151-7FA21-0AB0
compared to IM 151-7 CPU with order number 6ES7151-7AA21-0AB0. Additional information on the IM 151-7 CPU is
available in the corresponding manual, edition 05/2011, A5E00058783-05, which you require in addition to this Product
Information.
Areas of application
IM 151-7 F-CPU is mainly designed for personal and machine safety and burner controls. In addition to the safety program,
you can also program standard applications.
You want to use the IM 151-7 F-CPU for
Safety-related applications
Standard applications
Use of the 4 F-DI/3 F-DO DC24V PROFIsafe electronic module
For operation of the 4 F-DI/3 F-DO DC24V PROFIsafe electronic module behind an IM 151-7 F-CPU, you require the
S7 F Configuration Pack
(http://support.automation.siemens.com/WW/view/en/15208817) from the Internet.
Use of F modules following an IM 151–7 F CPU
Please note that the F-CPU will only start up if you have configured the hardware and have downloaded the hardware
configuration to the F-CPU.
Integrated Work Memory
The IM 151-7 F-CPU with order number 6ES7151-7FA21-0AB0 provides an integrated work memory of 192 KB. 64 KB are
retentive.
Special Handling of the "RAMtoROM" Function:
Data blocks of the safety program are not copied to the load memory by the work memory.
Startup protection for inconsistent safety program
The IM 151-7 F-CPU in connection with safety programs which were created with S7 Distributed Safety as of V5.4 SP1,
supports the detection of an inconsistent safety program. This means that the F-CPU detects an inconsistent safety program
in the startup. The F-CPU then goes to Stop and the following diagnostic event is then entered in the diagnostic buffer of the
F-CPU:
© Siemens AG 2011. All rights reserved
A5E03435851-02, 05/2011
S7 F Configuration Pack
, as of V5.5 SP3. The
then you require
STEP 7 as of version 5.2 + service pack 1 + HSP 219
Optional package S7 Distributed Safety as of V5.4 + service
pack 1
STEP 7 as of version 5.2 + service pack 1 + HSP 219
can be downloaded
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