Chapter 8 Servo Parameters
8-72 Revision January 2011
Settings:
This parameter is used to protect the motor in case the motor touchs the mechanical
equipment. If P1-57 is set to 0, the function of P1-57 is disabled. The function of P1-57
is enabled when the setting value of P1-57 is set to 1 or more. The fault AL030 will be
activated when the setting value of P1-57 is reached after a period of time set by P1-58.
P1 - 58
CRSHT Motor Protection Time Address: 0174H, 0175H
Default: 1 Related Section: P1-57
Applicable Control Mode: ALL
Unit: msec
Range: 0 ~ 1000
Data Size: 16-bit
Display Format: Decimal
Settings:
This parameter is used to protect the motor in case the motor touchs the mechanical
equipment. The fault AL030 will be activated when the setting value of P1-57 is
reached after a period of time set by P1-58.
Please note that this function is applicable for non-contact applications, such as electric
discharge machines only (P1-37 must be set correctly).
P1 - 59
MFLT Analog Speed Linear Filter (Moving Filter) Address: 0176H, 0177H
Default: 0 Related Section: N/A
Applicable Control Mode: S
Unit: 0.1msec
Range: 0 ~ 40 (0: Disabled)
Data Size: 16-bit
Display Format: Decimal
Settings:
This parameter is used to eliminate the noise generated during the operation when the
host (external) controller sends the step analog voltage speed command. The
parameter P1-06 is Low-pass Filter and parameter P1-59 is Moving Filter. The
differences are that Low-pass Filter is usually used to smooth the end of the command
but Moving Filter can be used to smooth the start and the end of step analog voltage
speed command. Using Moving Filter can facilitate the smooth operation of the motor
very effectively.
Therefore, it is recommended to use P1-06 Low-pass Filter when the speed command
from the external controller is applied for position control loop. If the command is for
speed control only, using Moving Filter P1-59 can achieve better (smooth) performance.
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