Mitsubishi Electric MELSERVO-J4 series Instruction Manual page 172

5. PARAMETERS
No. Symbol
PC04 **COP1 Function selection C-1
Select the encoder cable communication method selection.
Setting
digit
_ _ _ x
_ _ x _
_ x _ _
x _ _ _
PC05 **COP2 Function selection C-2
This is used to select the motor-less operation. This is not used in linear servo motor control
mode, fully closed loop control, and DD motor control mode.
Setting
digit
_ _ _ x
_ _ x _
_ x _ _
x _ _ _
PC06 *COP3 Function selection C-3
Select the error excessive alarm level setting for [Pr. PC01]. The parameter is not available in
the speed control mode and torque control mode.
Setting
digit
_ _ _ x
_ _ x _
_ x _ _
x _ _ _
PC07 ZSP Zero speed
Used to set the output range of ZSP (Zero speed detection).
ZSP (Zero speed detection) has hysteresis of 20 r/min or 20 mm/s.
PC08 OSL Overspeed alarm detection level
This is used to set an overspeed alarm detection level.
When you set a value more than "servo motor maximum speed × 120%" or "linear servo motor
maximum speed × 120%", the set value will be clamped.
When you set "0", the value of "(linear) servo motor maximum speed × 120%" will be set.
Name and function
Explanation
For manufacturer setting
Encoder cable communication method selection
0: Two-wire type
1: Four-wire type
Incorrect setting will result in [AL. 16 Encoder initial communication
error 1]. Or [AL. 20 Encoder initial communication error 1] will
occur. Setting "1" will trigger [AL. 37] while "Fully closed loop
control mode (_ _ 1 _)" is selected in [Pr. PA01] (except MR-J4-
_B_-RJ).
Explanation
Motor-less operation selection
0: Disabled
1: Enabled
For manufacturer setting
Explanation
For manufacturer setting
Error excessive alarm level unit selection
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
5 - 35
Initial
Setting
value
range
[unit]
Refer to Name
and function
column.
Initial
value
0h
0h
0h
0h
Refer to Name
and function
column.
Initial
value
0h
0h
0h
0h
Refer to Name
and function
column.
Initial
value
0h
0h
0h
0h
50 0
[r/min]/ to
[mm/s] 10000
0 0
[r/min]/ to
[mm/s] 20000