Yaskawa Sigma-5 Series User Manual:: For Use with Large-Capacity Models-Setup. Rotary Motors - Manual (Page 9)

ix
• Do not modify the product.
Failure to observe this warning may result in injury, fire, or damage to the product.
• Provide an appropriate braking device on the machine side to ensure
safety. The holding brake on a servomotor with a brake is not a braking
device for ensuring safety.
Failure to observe this warning may result in injury.
• Do not come close to the machine immediately after resetting a momentary
power loss. The machine may restart unexpectedly. Take appropriate mea-
sures to ensure safety against an unexpected restart.
Failure to observe this warning may result in injury.
• Do not wire the regenerative resistor unit incorrectly. Never short-circuit the
B1 and B2 terminals.
Failure to observe this warning may result in fire or damage to the product.
• Connect the ground terminal according to local electrical codes (100 Ω or
less for a SERVOPACK and a converter with a 200 V power supply. 10 Ω
or less for a SERVOPACK and a converter with 400 V power supply).
Improper grounding may result in electric shock or fire.
• Be sure to connect the servomotor’s built-in thermostat to the host control-
ler or to the main circuit magnetic contactor’s operation circuit.
For details, refer to „ Protecting the Servomotor in 2.2.5 Other Precau-
tions.
Failure to observe this warning may result in injury, fire, or damage to the product.
• Installation, disassembly, or repair must be performed only by authorized
personnel.
Failure to observe this warning may result in electric shock or injury.
• The person who designs a system using the safety function (Hard Wire
Baseblock function) must have full knowledge of the related safety stan-
dards and full understanding of the instructions in Σ -V Series User’s Man-
ual For Use with Large-Capacity Models Design and Maintenance.
Failure to observe this warning may result in injury or damage to the product.
WARNING