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<Read Me First>
IM 01W02E02-11EN
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Regulatory Compliance for Radio and Telecommunication
Please confirm that an installation region fulfills a standards, require additional regulatory
information and approvals, contact to Yokogawa Electric Corporation.
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Radio Equipment Directive
Hereby, Yokogawa Electric Corporation declares that the radio equipment type YFGW520 is
in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is
available at the following internet address:
http://www.yokogawa.com/fld/
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EMC Conformity Standards
EN 301 489-1, EN 301 489-17, EN 61326-1, EN 55011 Class A, Group 1, EN 61000-6-2
CAUTION
This equipment is a Class A product.
This equipment is not intended for use in residential environments and may not provide adequate
protection to radio reception in such environments.
Please use this equipment in the industrial environment only.
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Safety Conformity Standards
Applicable standard: EN 61010-1, EN 62479, EN 60825-1
(1) Pollution Degree 2
“Pollution degree” describes the degree to which a solid, liquid, or gas which deteriorates
dielectric strength or surface resistivity is adhering. “2” applies to normal indoor atmosphere.
Normally, only non-conductive pollution occurs. Occasionally, however, temporary conductivity
caused by condensation must be expected.
(2) Installation Category I
“Overvoltage category (Installation category)” describes a number which defines a transient
overvoltage condition. It implies the regulation for impulse withstand voltage. “I” applies to
electrical equipment which is supplied from the circuit when appropriate transient overvoltage
control means (interface) are provided.
(3) Laser Safety
100BASE-FX (Single mode Fiber) model of YFGW520 is compliant with IEC 825-1 Class 1 and
CDRH 21-CFR 1040 Class 1 eye safety requirements.
CAUTION
• To avoid eye injury although, please do not see a light source.
CAUTION
• When the maximum operating temperature is more than 60°C, use the wiring cable of 80°C
or higher temperature rating.
