Mitsubishi Electric MELSERVO-J4 Instruction Manual page 303

7. PARAMETERS
No./ Setting
symbol/name digit
PC22 _ _ _ x For manufacturer setting
*COP1
_ _ x _
Function
_ x _ _
selection C-1
x _ _ _ Encoder cable communication method selection
Select how to execute the encoder cable communication method.
0: Two-wire type
1: Four-wire type
If the setting is incorrect, [AL. 16 Encoder initial communication error 1] or [AL. 20
Encoder normal communication error 1] occurs. Setting "1" will trigger [AL. 37] while
"Fully closed loop control mode (_ _ 1 _)" is selected in [Pr. PA01] (except
MR-J4-_A_-RJ).
PC24 _ _ _ x In-position range unit selection
*COP3 Select a unit of in-position range.
Function 0: Command unit
selection C-3
1: Servo motor encoder pulse unit
_ _ x _ For manufacturer setting
_ x _ _
x _ _ _ Error excessive alarm level unit selection
Select a setting unit of the error excessive alarm level set in [Pr. PC43].
0: Per 1 rev or 1 mm
1: Per 0.1 rev or 0.1 mm
2: Per 0.01 rev or 0.01 mm
3: Per 0.001 rev or 0.001 mm
PC26 _ _ _ x [AL. 99 Stroke limit warning] selection
*COP5 Select [AL. 99 Stroke limit warning].
Function 0: Enabled
selection C-5
1: Disabled
_ _ x _ For manufacturer setting
_ x _ _
x _ _ _
PC27 _ _ _ x [AL. 10 Undervoltage] detection method selection
*COP6 Set this parameter when [AL. 10 undervoltage] occurs due to distorted power supply
voltage waveform while using FR-RC-(H) or FR-CV-(H).
Function
selection C-6 0: [AL. 10] not occurrence
1: [AL. 10] occurrence
_ _ x _ For manufacturer setting
_ x _ _
x _ _ _
PC30 This parameter is used when a home position return is executed with the program
method. Set the acceleration time constant at the home position return. Set an
STA2
acceleration time from 0 r/min or 0 mm/s to the rated speed.
Home
Additionally, when 20000 ms or more value is set, it will be clamped to 20000 ms.
position
return
acceleration
Setting range: 0 to 50000
time constant
PC30 Set an second acceleration time constant for the automatic operation of the indexer
method.
STA2
Set an acceleration time from 0 r/min to the rated speed.
Acceleration
time constant Additionally, when 20000 ms or more value is set, it will be clamped to 20000 ms.
2
Setting range: 0 to 50000
Function
7 - 46
Initial
Control mode
value
CP CL PS
[unit]
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
0
[ms]
0
[ms]