<1. Introduction>
8
IM 01E21A02-03EN
The following symbols are used in the product and the manual to indicate the accompanying
safety precautions:
Protective grounding terminal
Functional grounding terminal
(This terminal should not be used as a protective grounding terminal.)
Alternating current
Direct current
Caution
This symbol indicates that the operator must refer to an explanation in the user’s manual in order to avoid
the risk of injury or death of personnel or damage to the product.
For the protection and safe use of the product and the system in which this product is
incorporated, be sure to follow the instructions and precautions on safety that are stated in user’s
manual whenever you handle the product. Take special note that if you handle the product in a
manner that violates these instructions, the protection function of the product may be damaged or
impaired, or may not be fully demonstrated. In such a case, YOKOGAWA does not guarantee the
quality, performance, function, or safety of the product.