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Appendix
A.1 Certificates and guidelines
SIMATIC PC Panel PC 677/877, Control Unit
A-2
Operating Instructions, Edition 04/2005, A5E00407724-01
EMC
USA
General
This device complies with Part 15 of the FCC Rules. Operation is subject
to the following two conditions:
1. This device may not cause harmful interferences.
2. This device must accept any interference received, including
intereference that my cause undesired operation.
Shielded Cables
The use of shielded I/O cables is required when connecting this
equipment to any and all optional peripheral or host devices. Failure to do
so may violate FCC rules.
Modifications
Siemens AG is not responsible for any radio television interference
caused by unauthorized modifications of this equipment or the
substitution or attachment of connecting cables and equipment other than
those specified by Siemens AG. The correction of interference caused by
such unauthorized modification, substitution or attachment will be the
responsibility of the user.
Canadian Notice
This class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conformé à la norme NMB-003
du Canada.
A.1.2
Approvals
The control unit has been given the following approvals:
UL 1950
UL 508
CSA
cUL
FCC
FM
Approvals
for ships
Nema 4
No
Yes
No
Yes
Yes
No
No
Yes
Note
The approval or approbation is located on the rating label. The rating label is described in
the chapter "Planning use."