Yokogawa Electric Corporation

User’s

Manual

Precautions on the Use of the

MX100/MW100

About This Manual

• This manual should read by the end user.

• Read this manual thoroughly and have a clear understanding of the product before operation.

• This manual explains the functions of the product. YOKOGAWA does not guarantee that the product will suit

a particular purpose of the user.

• Under absolutely no circumstances may the contents of this manual be transcribed or copied, in part or in

whole, without permission.

• The contents of this manual are subject to change without prior notice.

• Every effort has been made in the preparation of this manual to ensure the accuracy of its contents.

However, should you have any questions or find any errors or omissions, please contact your nearest

YOKOGAWA dealer.

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, death of personnel or damage to the instrument, the operator

must refer to the explanation in the manual.)

Functional ground terminal. (Do not use this terminal as a protective ground terminal.)

Protective grounding terminal

Alternating current

Direct current

• 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.

3rd Edition: October 2007 (YK)

IM MX100-71E

3rd Edition

*MX10071E03*

IM MX100-71E

WARNING

Use the Correct Power Supply

Ensure that the source voltage matches the voltage of the power supply before turning ON the power.

Connect the Protective Grounding Terminal

Make sure to connect the protective grounding to prevent electric shock before turning ON the power.

Do Not Impair the Protective Grounding

Never cut off the internal or external protective earth wire or disconnect the wiring of the protective

earth terminal. Doing so invalidates the protective functions of the instrument and poses a potential

shock hazard.

Do Not Operate with Defective Protective Grounding or Fuse

Do not operate the instrument if the protective earth or fuse might be defective. Make sure to check

them before operation.

Do Not Use in the Presence of Flammable Liquids, Vapors, and Dust

Do not operate the instrument in the presence of flammable liquids or vapors. Operation in such

environments constitutes a safety hazard.

Do Not Remove Covers

The cover should be removed by YOKOGAWA’s qualified personnel only. Opening the cover is

dangerous, because some areas inside the instrument have high voltages.

Ground the Instrument before Making External Connections

Connect the protective grounding before connecting to the item under measurement or to an external

control unit.

Damage to the Protective Structure

Operating the MX100 in a manner not described in this manual may damage its protective structure.

CAUTION

This instrument is a Class A product. Operation of this instrument in a residential area may cause

radio interference, in which case the user is required to take appropriate measures to correct the

interference.

Exemption from Responsibility

• YOKOGAWA makes no warranties regarding the product except those stated in the WARRANTY that is

provided separately.

• YOKOGAWA assumes no liability to any party for any loss or damage, direct or indirect, caused by the user

or any unpredictable defect of the product.

Handling Precautions of the Software

• YOKOGAWA makes no warranties regarding the software accompanying this product except those stated in

the WARRANTY that is provided separately.

• Use the software on a single PC.

• You must purchase another copy of the software, if you are to use the software on another PC.

• Copying the software for any purposes other than backup is strictly prohibited.

• Please store the original media containing the software in a safe place.

• Reverse engineering, such as decompiling of the software, is strictly prohibited.

• No portion of the software supplied by YOKOGAWA may be transferred, exchanged, sublet, or leased for

use by any third party without prior permission by YOKOGAWA.