Yokogawa µR20000 - Manual (Page 3)

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SM 04P02B01-01E
Introduction
This manual contains information for servicing YOKOGAWA’s µR20000.
Note
This is the first edition of the manual, dated March 2006.
WARNING
This service manual is to be used by properly trained personnel only. To avoid
personal injury, do not perform any servicing unless you are qualified to do so.
Refer to the safety precautions prior to performing any servicing. Even if
servicing is carried out according to this service manual, or by qualified
personnel, YOKOGAWA assumes no responsibility for any result occurring from
that servicing.
Safety Standards and EMC Standards
This recorder conforms to IEC safety class I (provided with terminal for protective
grounding), Installation Category II, Measurement Category II (CAT II), and EN61326-1
(EMC standard), class A (use in a commercial, industrial, or business environment). This
recorder is designed for indoor use.
Precautions Related to the Protection, Safety, and Alteration of the Product
• The following safety symbols are used on the product and in this manual.
“Handle with care.” To avoid injury and damage to the instrument, the
operator must refer to the explanation in the manual.
Protective ground terminal
AC
“High temperature.” To avoid injury caused by hot surface, do not touch
locations where this symbol appears.
• For the protection and safe use of the product and the system controlled by it, be sure
to follow the instructions and precautions on safety that are stated in this manual
whenever you handle the product. Take special note that if you handle the product in
a manner that violate these instructions, the protection functionality of the product
may be damaged or impaired. In such cases, YOKOGAWA does not guarantee the
quality, performance, function, and safety of the product.
• When installing protection and/or safety circuits such as lightning protection devices
and equipment for the product and control system or designing or installing separate
protection and/or safety circuits for fool-proof design and fail-safe design of the
processes and lines that use the product and the control system, the user should
implement these using additional devices and equipment.
• If you are replacing parts or consumable items of the product, make sure to use parts
specified by YOKOGAWA.
• This product is not designed or manufactured to be used in critical applications that
directly affect or threaten human lives. Such applications include nuclear power
equipment, devices using radioactivity, railway facilities, aviation equipment, air
navigation facilities, aviation facilities, and medical equipment. If so used, it is the
user’s responsibility to include in the system additional equipment and devices that
ensure personnel safety.
• Do not modify this product.