Yaskawa AC Servo Drive Rotary Servomotor Safety Precautions - Manual (Page 13)

E-11
„
Operation Precautions
WARNING
• Before starting operation with a machine connected, change the set-
tings of the switches and parameters to match the machine.
Unexpected machine operation, failure, or personal injury may occur if
operation is started before appropriate settings are made.
• Do not radically change the settings of the parameters.
There is a risk of unstable operation, machine damage, or injury.
• Install limit switches or stoppers at the ends of the moving parts of the
machine to prevent unexpected accidents.
There is a risk of machine damage or injury.
• For trial operation, securely mount the Servomotor and disconnect it
from the machine.
There is a risk of injury.
• Forcing the motor to stop for overtravel is disabled when the Jog
(Fn002), Origin Search (Fn003), or Easy FFT (Fn206) utility function is
executed. Take necessary precautions.
There is a risk of machine damage or injury.
• When an alarm occurs, the motor will coast to a stop or stop with the
dynamic brake according to a setting in the SERVOPACK. The coast-
ing distance will change with the moment of inertia of the load. Check
the coasting distance during trial operation and implement suitable
safety measures on the machine.
• Do not enter the machine’s range of motion during operation.
There is a risk of injury.
• Do not touch the moving parts of the Servomotor or machine during
operation.
There is a risk of injury.
CAUTION
• Do not use the holding brake built into a Servomotor to stop the Servo-
motor. The holding brake is designed to hold the motor shaft. It is not
designed as a stopping device to ensure machine safety. Provide an
appropriate stopping device on the machine to ensure safety.
There is a risk of brake failure due to wear, damage to the machine, or
injury.
• Before you operate a Servomotor, supply power to the holding brake to
release the holding brake. Refer to the timing charts in your Servomo-
tor manual for details.
• During trial operation, confirm that the holding brake works correctly.
Continued on next page.