Mitsubishi Electric MELDAS 600M Series Instruction Manual page 243

No.
16 0016 LMC gain 1
16 0041 LMC gain 2
16 0039 LMC timing
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CHAPTER 1 SCREEN OPERATIONS
Name
Set this parameter if the protrusion (caused by
non-sensitive band from friction, torsion, backlash,
etc.) is large when the arc quadrant is changed.
This is valid only when lost motion compensation
SV027 (lmc1, lmc2) is selected.
Type 1 SV027 (SSF1) 1mc1=1, 1mc2=0
In low-speed interpolation mode, compensation of this
type eliminates bump.
Setting "0" to this parameter indicates interpolation
gain 0.
Setting "100" causes 100% compensation.
Type 2 SV027 (SSF1) 1mc1=0, 1mc2=1
Use type 2 when type 1 is not enough for
compensation such as in high-speed, high-accuracy
interpolation.
Set data in percentage to stall rated current.
Set "0" to prevent compensation.
Set the double value the current percentage on the
servo monitor screen for jog feeding (about F1000).
To change the compensation gain (type 1) or
compensation amount (type 2) according to the
direction.
To set a different value according to the command
direction, set this with SV041 (LMC2).
Set the value for changing the command speed from
the – to + direction (during command direction CW)
in SV016 (LMC1).
Set the value for changing the command speed from
the + to – direction (during command direction CW)
in SV041 (LMC2).
When "–1" is set, compensation will not be carried
out when the command speed direction changes.
Normally set this to "0".
Set this with SV016 (LMC1)only when setting the lost
motion compensation's gain (type 1) or compensation
amount (type 2) to different values according to the
command direction.
• Set the value for changing the command speed from
the – to + direction (during command direction CW)
in SV016 (LMC1).
• Set the value for changing the command speed from
the + to – direction (during command direction CW)
in SV041 (LMC2).
• When "–1" is set, compensation will not be carried
out when the command speed direction changes.
This is valid only when lost motion compensation
(SV027: lmc1, lmc2) is selected.
Set when the lost motion compensation timing is not
suitable. Adjust upwards in increments of "10".
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3. Setup Screens
Details
I – 228
Setting range (units)
–1 to 200
0 to 200 (%)
0 to 100
(Stall rated current %)
–1 to 200
(Stall rated current %)
0 to 2000 (ms)