
2
IM 01W02E02-11EN
Introduction
This manual (IM 01W02E02-11EN) describes the safety precautions, explosion protected
type specications and the license agreement of attached software for the YFGW520.
There are three documents including this one for the YFGW520 listed below. Read them
along with this manual.
Document No. Document name Description
IM 01W02E02-01EN YFGW520
Field Wireless Access Point
This manual is stored in the attached DVD-ROM for
YFGW520. It describes installation, wiring, operation,
maintenance and specication of the YFGW520.
IM 01W02E02-11EN YFGW520
Field Wireless Access Point
Read Me First
This manual. It describes the safety precaution,
explosion protected type specications and the
license agreement of the attached software for the
YFGW520.
GS 01W02E02-01EN YFGW520
Field Wireless Access Point
Product specication including detailed model and
sufx code, optional specications and accessory of
the YFGW520.
nRegarding This User's Manual
lThis manual should be provided to the end user. Please recommend end users
to keep this manual at hand and refer to it as needed.
lThis manual and the identication tag attached on packing box are essential
parts of the product; keep them in a safe place for future reference.
lBefore use, read this manual thoroughly to comprehend its contents.
lThe purpose of the User’s Manual is to describe details of functions provided
in this product, not to warrant the product's suitability to the specic purposes
of customers.
lNo part of this manual may be reproduced in any form without Yokogawa's
written permission.
lThe contents of this manual may be changed without prior notice.
lAll reasonable effort has been made to ensure the accuracy of the contents of
this manual. However, if any errors or omissions are found, please inform any
of sales ofces listed on the back cover or your local distributor.
lThe specications covered by this manual are limited to those for the standard
type under the specied model number break-down and do not cover custom-
made instruments. When products whose sufx code or optional codes
contain code “Z” and an exclusive document is attached, please read it along
with this manual.
lPlease note that this User’s Manual may not be revised for any specication
changes, construction changes or operating part changes that are not
considered to affect function or performance.