Safety Precautions for Use
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Safety, Protection, and Modification of the Product
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To protect the system controlled by the Product and the Product itself and to ensure safe
operation, please observe the safety precautions described in this Manual. Yokogawa
Electric Corporation ("YOKOGAWA") assumes no liability for safety if users fail to observe
the safety precautions and instructions when operating the Product.
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If the Product is used in a manner not specified in the User's Manuals, the protection pro-
vided by the Product may be impaired.
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If any protection or safety circuit is required for the system controlled by the Product or for
the Product itself, please install it externally.
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Use only spare parts that are approved by YOKOGAWA when replacing parts or consum-
ables of the Product.
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Do not use the Product and its accessories such as power cords on devices that are not
approved by YOKOGAWA. Do not use the Product and its accessories for any purpose
other than those intended by YOKOGAWA.
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Modification of the Product is strictly prohibited.
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The following symbols are used in the Product and User's Manuals to indicate the accom-
panying safety precautions:
Indicates that caution is required for operation. This symbol is labeled on the Prod-
uct to refer the user to the User's Manuals for necessary actions or behaviors in
order to protect the operator and the equipment against dangers such as electric
shock. In the User's Manuals, you will find the precautions necessary to prevent
physical injury or death, which may be caused by accidents, such as electric
shock resulting from operational mistakes.
Identifies a protective conductor terminal. Before using the Product, you must
ground the protective conductor terminal to avoid electric shock.
Identifies a functional grounding terminal. A terminal marked "FG" also has the
same function. This terminal is used for grounding other than protective grounding.
Before using the Product, you must ground this terminal.
Indicates an AC supply.
Indicates a DC supply.
Indicates the ON position of a power on/off switch.
Indicates the OFF position of a power on/off switch.
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Notes on Handling User's Manuals
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Hand over the User's Manuals to your end users so that they can keep the User's Man-
uals on hand for convenient reference.
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Thoroughly read and understand the information in the User's Manuals before using the
Product.
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For the avoidance of doubt, the purpose of the User's Manuals is not to warrant that the
Product is suitable for any particular purpose but to describe the functional details of the
Product.
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Contents of the User's Manuals are subject to change without notice.
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IM 32Q06C10-31E
4th Edition : Jan.30,2015-00
