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Appendix
A.1 Certificates and guidelines
Caution
This is a system of Class A. The equipment may cause RF interference in residential areas.
In this case, the operating company may be held liable for taking appropriate measures.
Low-voltage directive
The devices with AC power pack complies with the requirements of EC directive 73/23/EEC
(Low-Voltage Guidelines). Compliance has been verified by a test in accordance with the EN
60950-1 standard. The device with DC power pack also complies with this standard but does
not fall within the area of validity of the EU low-voltage directive.
Declaration of conformity
The EC declaration of conformity and the corresponding documentation are made available
to authorities in accordance with the EC directives stated above. The declaration is available
for download from the Internet at http://www.siemens.com/asis under "Support".
Click on "Software Tools & Downloads" on "Overview Panel PCs" You can find the
certification under Approvals/Certificates.
Design guidelines
Adhere to the installation guidelines and safety instructions given in this documentation
during commissioning and operation.
Connecting peripherals
The requirements regarding noise immunity to EN 61000-6-2:2001 are met when you
connect a peripheral suitable for an industrial environment. Always use shielded cables to
connect peripherals.
A-2
Operating instructions, Release 07/2006, A5E00877780-01
SIMATIC Panel PC 877
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