Siemens SIMATIC S7-1200 Notice De Service page 9

Intended use
SIMATIC products are intended for use in industry. If you plan to use the product in a different environment, check the
conditions required for such use.
The product may be operated only by personnel qualified for the specific task in accordance with the relevant documentation,
in particular its warning notices and safety information. Qualified personnel are those who, based on their training and
experience, are capable of identifying risks and avoiding potential hazards when working with these products.
WARNING
Intended use
SIMATIC products are intended for automation of machine plants, process control and process engineering. Refer to the
associated documentation (https://support.industry.siemens.com/cs/ww/en/view/109744173) to learn about the intended
area of application of the respective product (e.g. ambient conditions, possible use in safety-critical systems).
If third-party products and components are used, these have to be recommended or approved by Siemens.
Proper transport, proper storage, setup, assembly/disassembly, installation, commissioning, operation, maintenance and
decommissioning are required to ensure that the product and its accessories operate safely and without any problems.
Non-observance may result in death or serious physical injury.
Read the notes in the corresponding documentation (https://support.industry.siemens.com/cs/ww/en/view/109744173).
Observe the ambient conditions for intended operation as described in the "Technical specifications" section of the associated
documentation.
WARNING
Connection of the power supply
The power supply may only be connected by qualified and authorized personnel. In particular, observe the information in the
documentation (https://support.industry.siemens.com/cs/ww/en/view/109744173) and on the nameplate of the device.
NOTE
The power supply must be connected by the operator/user in accordance with the national regulations regarding installation.
WARNING
Danger from voltage/current!
Only perform assembly and disassembly work when the device is de-energized.
Only install products with IP20 degree of protection according to IEC 60529 in enclosures, cabinets or electrical operating
rooms suitable for the end application.
WARNING
Safety functional extra low voltage
The product must be operated with safety functional extra low voltage (SELV, PELV). You can find more information on safety
functional extra low voltage in the documentation (https://support.industry.siemens.com/cs/ww/en/view/109744173) of the
fail-safe I/O and in the data sheets of the power supplies to be used.
Use a power supply unit with output voltage that does not exceed 35 V DC even in the event of a fault.
Observe the maximum permissible switching conditions specified in the equipment manual for F-RQ modules.
Follow the notes and warnings in the respective manual.
Compact Operating Instructions
A5E51784853-AC, 06/2023
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