Preface
Purpose of this manual
This manual describes all steps required to use the FM 450-1 function module eciently. It
supports you in installing and commissioning the module. The procedures for installing and
removing, wiring, assigning parameters, and programming are explained.
This manual is intended for the programmers of STEP 7 programs and for those responsible for
conguring, commissioning, and servicing automation systems.
Basic knowledge required
This manual requires general knowledge of automation engineering.
You also require knowledge of the use of computers or PC-type equipment (such as
programming devices) based on a Windows 95/98/2000 or NT operating system as well as STEP
7 programming skills.
Scope of this manual
The present manual contains the description of the FM 450-1 valid at the time the manual is
published. We reserve the right to describe changes to the functions of the FM 450-1 in the form
of product information.
Standards
The S7-400 automation system meets the requirements and criteria of IEC 61131-2.
Recycling and disposal
Owing to the fact that its equipment is low in contaminants, the FM 450-1 can be recycled. For
environmentally compliant recycling and disposal of your discarded device, please contact a
company certied for the disposal of electronic waste.
Additional support
If you have any further questions about the use of products described in this manual and do not
nd the right answers here, contact your local Siemens representative (
http://
www.siemens.com/automation/partner):
A guide to the technical documentation for the various products and systems is available on the
Internet:
• SIMATIC Guide manuals (http://www.siemens.com/simatic-tech-doku-portal)
Counter module FM 450-1
Equipment Manual, 03/2022, A5E03648739-AC 3