YASKAWA UAK series User Manual page 10

• Make sure that the motor constants for the spindle motors being used match the parameters of the
• When using the servomotor for a vertical axis, install the safety devices to prevent workpieces to fall
• Do not touch the power regeneration converter and SERVOPACK heat sinks or servomotor while
• Do not make any extreme adjustments or setting changes of parameters.
• When an alarm occurs, remove the cause, clear the alarm after confirming safety, and then resume
• Do not use the holding brake on the servomotor for braking.
• The servomotor stopping method of turning the main-circuit or control-circuit power OFF without
• Do not establish communications with the host controller while running SigmaWin for Σ-V-SD (MT),
• Dynamic braking (DB) is an auxiliary function used for emergency stops. It does not guarantee that
• Do not use the servo drive under a load moment of inertia exceeding the maximum allowable value.
Maintenance and Inspection
• Do not disassemble the power regeneration converter and SERVOPACK.
• Do not attempt to change wiring while the power is ON.
• When replacing the SERVOPACK, resume operation only after transferring the previous SERVO-
x
SERVOPACKs before supplying power when driving spindle motors by using Σ-V-SD series SER-
VOPACK.
Failure to observe this caution may result in injury, fire, and damage to the product.
off due to occurrence of alarm or overtravel. Set the servomotor so that it will stop in the zero clamp
state at occurrence of overtravel.
Failure to observe this caution may cause workpieces to fall off due to overtravel.
the power is ON or soon after the power is turned OFF.
Failure to observe this caution may result in burns due to high temperatures.
Failure to observe this caution may result in injury or damage to the product due to unstable operation.
operation.
Failure to observe this caution may result in damage to the product, fire, or injury.
Failure to observe this caution may result in malfunction.
turning the servo OFF during operation can not be set in Parameter Pn001.
Refer to 8.4.4 Stopping Servomotor after SV_OFF Command or Alarm Occurrence for details.
because an alarm or warning might be issued.
If an alarm or warning is issued, any process currently being executed might be aborted and the system might
also be stopped.
Only when using the following functions, communications with the host controller is allowed while running
SigmaWin for Σ-V-SD (MT).
<functions for use with SigmaWin for Σ-V-SD (MT) that require communications with the host controller
during use>
• Advanced autotuning by reference
• One-parameter tuning
• Anti-resonance control adjustment function
<functions for use with SigmaWin for Σ-V-SD (MT) that will not result in problems if communications estab-
lished with the host controller during use>
• Parameter edit function, excluding parameter initialization
• Monitor function
• Alarm display function, excluding resetting alarms and clearing alarm history
• Data trace function
the servomotor will come to a full or immediate stop as when a brake is applied. The servomotor
might coast to a stop. Provide appropriate braking devices on the machine side to ensure safety.
Failure to observe this caution may result in damage or malfunction of resistors and power devices in the
SERVOPACK.
Failure to observe this caution may result in electric shock or injury.
Failure to observe this caution may result in electric shock or injury.
PACK parameters to the new SERVOPACK.
Failure to observe this caution may result in damage to the product.
CAUTION
CAUTION