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TI 30A30A10-01EN
Safety Precautions
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Safety, Protection, and Modification of the Product
• In order to protect the system controlled by the product and the product itself and ensure
safe operation, observe the safety precautions described in this Technical Information. We
assume no liability for safety if users fail to observe these instructions when operating the
product.
• If this product is used in a manner not specified in this Technical Information, the protection
provided by this product may be impaired.
• If any protection or safety circuit is required for the system controlled by the product or for
the product itself, prepare it separately.
• Be sure to use the spare parts approved by Yokogawa Electric Corporation (hereafter
simply referred to as YOKOGAWA) when replacing parts or consumables.
• Do not use the accessories (Power supply cord set, etc.) that came with the product for any
other products.
• Modification of the product is strictly prohibited.
• The following symbols are used in the product and instruction manual to indicate that there
are precautions for safety:
Indicates that caution is required when handling the equipment. This symbol is labeled
on the Product to indicate the possibility of dangers such as electric shock on personnel
and equipment, and also indicate that the user must refer to the User’s Manuals for
necessary actions. In the User’s Manuals, this symbol is used together with a signal word
“WARNING” or “CAUTION” at the locations where precautions for avoiding dangers are
described.
Indicates that caution is required for hot surface. Note that the devices with this symbol
become hot. The risk of burn injury or some damages exists if the devices are touched or
contacted.
Identifies a protective conductor terminal. Ensure to ground the protective conductor
terminal to avoid electric shock before using the product.
Identifies a functional grounding terminal. A term “FG” is also used. This terminal is
equipped with the same function and used for purposes other than the protective
grounding. Before using the product, ground the terminal.
Indicates an AC supply.
Indicates a DC supply.
Indicates that the main switch is ON
Indicates that the main switch is OFF
Feb. 26, 2018-00
