Mitsubishi Electric MELSERVO-J4 MR-J4 A Series - Page 176

5. PARAMETERS
5 - 33
Control
mode
No./symbol/name
Setting
digit
Function
Initial
value
[unit]
PST
PC23

COP2
Function
selection C-2
_ _ _ x Servo-lock selection at speed control stop
Select the servo-lock selection at speed control stop.
In the speed control mode, the servo motor shaft can be locked to prevent the
shaft from being moved by an outer force.
0: Enabled (servo-lock)
The operation to maintain the stop position is performed.
1: Disabled (no servo-lock)
The stop position is not maintained.
The control to make the speed 0 r/min is performed.
0h
_ _ x _ For manufacturer setting 0h
_ x _ _ VC/VLA voltage averaging selection
Select the VC/VLA voltage average.
This is used to set the filtering time when VC (Analog speed command) or VLA
(Analog speed limit) is imported.
Set 0 to vary the speed to voltage fluctuation in real time. Increase the set value
to vary the speed slower to voltage fluctuation.
0h
Setting
value
Filtering time [ms]
0 0
1 0.444
2 0.888
3 1.777
4 3.555
5 7.111
x _ _ _ Speed limit selection at torque control
Select the speed limit selection at torque control.
0: Enabled
1: Disabled
Do not use this function except when configuring a external speed loop.
0h
PC24

COP3
Function
selection C-3
_ _ _ x In-position range unit selection
Select a unit of in-position range.
0: Command input pulse unit
1: Servo motor encoder pulse unit
0h
_ _ x _ For manufacturer setting 0h
_ x _ _ 0h
x _ _ _ Error excessive alarm level unit selection
Select a setting unit of the error excessive alarm level set in [Pr. PC43].
0: 1 rev unit
1: 0.1 rev unit
2: 0.01 rev unit
3: 0.001 rev unit
0h
PC26

COP5
Function
selection C-5
_ _ _ x [AL. 99 Stroke limit warning] selection
Select [AL. 99 Stroke limit warning].
0: Enabled
1: Disabled
0h
_ _ x _ For manufacturer setting 0h
_ x _ _ 0h
x _ _ _ 0h
PC27

COP6
Function
selection C-6
_ _ _ x Undervoltage alarm detection method selection
When you use FR-RC, FR-CV, or FR-BU2, select "Method 2 (_ _ _ 1)".
0: Method 1
1: Method 2
0h
_ _ x _ For manufacturer setting 0h
_ x _ _ 0h
x _ _ _ 0h