A
A-2
FM 351 Positioning Function Module
EWA 4NEB 720 6001-02
A.1 General Technical Specifications
The general technical data contains the standards and test values which the
S7-300 contains and fulfills, and also the test criteria to which the S7-300 has
been tested.
The S7-300 has obtained the following approvals:
UL-Recognition-Mark
Underwriters Laboratories (UL) conforming to
Standard UL 508, File E 116536
CSA-Certification-Mark
Canadian Standard Association (CSA) conforming to
Standard C 22.2 No. 142, File LR 48323
The S7-300 has the FM approval:
FM approval to Factory Mutual Approval Standard Class Number 3611,
Class I, Division 2, Group A, B, C, D
!
Warning
Injury to persons and damage to property may occur.
In areas subject to explosion hazards persons may be injured and property
damaged if you interrupt an S7-300 connection in running operation.
Electrically disconnect the S7-300 before separating plug connections in
areas subject to explosion hazards.
!
Warning
WARNING - DO NOT DISCONNECT WHILE CIRCUIT IS LIVE
UNLESS LOCATION IS KNOWN TO BE NON-HAZARDOUS
Our products satisfy the requirements of the EU Directive 89/336/EWG
“Electromagnetic Compatibility” and the harmonized European standards
(EN) listed therein.
The EU declarations of conformity are kept according to the above-men-
tioned EU Directive, Article 10 for the responsible authorities at:
Siemens Aktiengesellschaft
Bereich Automatisierungstechnik
AUT E 148
Postfach 1963
D-92209 Amberg
Federal Republic of Germany
What are General
Technical Specifi-
cations?
UL/CSA Approvals
FM Approval
CE Marking
Technical Specifications
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