YASKAWA S-7 Series Manual page 4

 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 when-
ever 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  or less for a SERVOPACK
with a 100-VAC or 200-VAC power supply, and 10  or less for a SERVO-
PACK 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, Servomotors, 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 con-
tact 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 flammable gases, or near flammable materials.
There is a risk of electric shock or fire.
E-2
DANGER
WARNING
CAUTION