Mitsubishi Electric MELSERVO-J4 series, Instruction Manual

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5 PARAMETERS
5.2 Detailed list of parameters
217
5
PF34
*MFP
Machine diagnosis
function selection _ _ _ x Friction failure prediction warning selection
0: Disabled
1: Enabled (Automatic threshold setting)
2: Enabled (Manual threshold setting)
3: Threshold reset
When "2" is set to this digit, if the friction torque exceeds the set threshold, [AL. F7.2 Friction failure prediction
warning] will occur.
When the threshold is reset by setting "3" to this digit, "1" will be automatically set after the reset.
This digit is available with servo amplifier with software version A3 or later. 0h
_ _ x _ Vibration failure prediction warning selection
0: Disabled
1: Enabled (Automatic threshold setting)
2: Enabled (Manual threshold setting)
3: Threshold reset
When "2" is set to this digit, if the vibration level exceeds the set threshold, [AL. F7.1 Vibration failure
prediction warning] will occur.
When the threshold is reset by setting "3" to this digit, "1" will be automatically set after the reset.
This digit is available with servo amplifier with software version A3 or later. 0h
_ x _ _ Servo motor total travel distance failure prediction warning selection
0: Disabled
1: Enabled
2: Servo motor total travel distance reset
When "1" is set to this digit, if the servo motor total travel distance exceeds the value of "Failure prediction -
Servo motor total travel distance unit

Failure prediction - Servo motor total travel distance", [AL. F7.3 Total
travel distance failure prediction warning] will occur.
When the total travel distance is reset by setting "2" to this digit, "1" will be automatically set after the reset.
This digit is available with servo amplifier with software version A3 or later.
0h
x _ _ _ Failure prediction - Servo motor total travel distance multiplication selection
0: × 1
1: × 100
2: × 10000
3: × 1000000
4: × 100000000
This digit is available with servo amplifier with software version A3 or later. 0h
PF40
MFPP
Machine failure
prediction
parameter _ _ _ x Friction failure prediction - Threshold multiplication
Set a multiplication for calculating the threshold used in the friction failure prediction function. Setting a small
threshold multiplication for friction failure prediction will decrease the threshold used for friction failure
prediction. Thus, this will enable the prediction of a failure at an early stage, but will increase the possibility of
erroneously detecting a failure.
When "0" is set to this digit, the multiplication will be the same as when "5" is set.
This digit is available with servo amplifier with software version A3 or later. 0h
_ _ x _ Vibration failure prediction - Threshold multiplication
Set a multiplication for calculating the threshold used in the vibration failure prediction function. Setting a
small threshold multiplication for vibration failure prediction will decrease the threshold used for vibration
failure prediction. Thus, this will enable the prediction of a failure at an early stage, but will increase the
possibility of erroneously detecting a failure.
When "0" is set to this digit, the multiplication will be the same as when "5" is set.
This digit is available with servo amplifier with software version A3 or later. 0h
_ x _ _ Friction failure prediction - Dynamic friction selection
Select a dynamic friction setting used for friction failure prediction.
0: Automatic setting
1: Dynamic friction at forward rotation torque (at rated speed)
2: Dynamic friction at reverse rotation torque (at rated speed)
3: Absolute value average at forward rotation/reverse rotation torque
When "0" is set to this digit, any of "1" to "3" is set depending on the operation pattern.
This digit is available with servo amplifier with software version A3 or later. 0h
x _ _ _ For manufacturer setting 0h
No./symbol/
name Setting
digit Function Initial
value
[unit]