YASKAWA SGD7S Product Manual page 12

 Safety Precautions That Must Always Be Observed
 General Precautions
 Read and understand this manual to ensure the safe usage of the product.
 Keep this manual in a safe, convenient place so that it can be referred to whenever necessary.
Make sure that it is delivered to the final user of the product.
 Do not remove covers, cables, connectors, or optional devices while power is being supplied to
the SERVOPACK.
There is a risk of electric shock, operational failure of the product, or burning.
 Use a power supply with specifications (number of phases, voltage, frequency, and AC/DC
type) that are appropriate for the product.
There is a risk of burning, electric shock, or fire.
 Connect the ground terminals on the SERVOPACK and Servomotor to ground poles according
to local electrical codes (100 Ω or less for a SERVOPACK with a 100-VAC or 200-VAC power
supply, and 10 Ω or less for a SERVOPACK with a 400-VAC power supply).
There is a risk of electric shock or fire.
 Do not attempt to disassemble, repair, or modify the product.
There is a risk of fire or failure.
The warranty is void for the product if you disassemble, repair, or modify it.
 The SERVOPACK heat sinks, regenerative resistors, External Dynamic Brake Resistors, Servo-
motors, and other components can be very hot while power is ON or soon after the power is
turned OFF. Implement safety measures, such as installing covers, so that hands and parts
such as cables do not come into contact with hot components.
There is a risk of burn injury.
 For a 24-VDC power supply, use a power supply device with double insulation or reinforced
insulation.
There is a risk of electric shock.
 Do not damage, pull on, apply excessive force to, place heavy objects on, or pinch cables.
There is a risk of failure, damage, or electric shock.
 The person who designs the system that uses the hard wire base block safety function must
have a complete knowledge of the related safety standards and a complete understanding of
the instructions in this document.
There is a risk of injury, product damage, or machine damage.
 Do not use the product in an environment that is subject to water, corrosive gases, or flamma-
ble gases, or near flammable materials.
There is a risk of electric shock or fire.
xii
DANGER
WARNING
CAUTION