Safety Precautions
18
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
Safety Precautions
• To ensure that the 1S-series Servomotor/Servo Drive as well as peripheral equipment are used 
safely and correctly, be sure to read this Safety Precautions section and the main text before using 
the product. Learn all items you should know before use, regarding the equipment as well as the 
required safety information and precautions.
• Make an arrangement so that this User’s Manual also gets to the end user of this product.
• After reading this User’s Manual, keep it in a convenient place so that it can be referenced at any 
time.
• The precautions indicated here provide important information for safety. Be sure to heed the informa-
tion provided with the precautions.
• The following signal words are used to indicate and classify precautions in this User’s Manual.
Even those items denoted by the caution symbol may lead to a serious outcome depending on the situ-
ation. Accordingly, be sure to observe all safety precautions.
This User’s Manual uses the following symbols.
 
Explanation of Displays
Explanation of Symbols
The circle and slash symbol indicates operations that you must not do. 
The specific operation is shown in the circle and explained in text.
This example indicates prohibiting disassembly.
The triangle symbol indicates precautions and warnings. 
The specific operation is shown in the triangle and explained in text.
This example indicates a precaution for electric shock.
The triangle symbol indicates precautions and warnings. 
The specific operation is shown in the triangle and explained in text.
This example indicates a general precaution.
The filled circle symbol indicates operations that you must do. 
The specific operation is shown in the circle and explained in text. 
This example indicates a requirement for the ground.
Indicates an imminently hazardous situation which, if 
not avoided, is likely to result in serious injury or may 
result in death. Additionally there may be severe 
property damage.
Indicates a potentially hazardous situation which, if not 
avoided, will result in minor or moderate injury, or may 
result in serious injury or death. Additionally there may 
be significant property damage.
DANGER
WARNING
Indicates a potentially hazardous situation which, 
if not avoided, may result in minor or moderate 
injury or in property damage.
Caution