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3. Setup
3 - 57
Standard specifications
No. Abbrev. Parameter name Explanation
Setting range
(Unit)
F E D C B A 9 8 7 6 5 4 3 2 1 0
aflt zrn2 afse ovs lmc zrn3 vfct upc vcnt
bit Meaning when “0” is set Meaning when “1” is set
0
1
vcnt
Set the execution changeover type of the speed loop delay compensation.
00: Delay compensation changeover invalid
10: Delay compensation type 2
01: Delay compensation changeover type 1
11: Setting prohibited
2 upc Starting torque compensation invalid Starting torque compensation valid
3
4
5
vfct
Set the number of compensation pulses of the jitter compensation.
00: Jitter compensation invalid
10: Jitter compensation 2 pulses
01: Jitter compensation 1 pulse
11: Jitter compensation 3 pulses
6zrn3
ABZ scale: Set to "1" to fix Z-phase detection edge.
Absolute position scale: Set to "1" in using AT342.
7 omr Machine end compensation invalid Machine end compensation valid
8
9
lmc
Set the compensation amount with SV016 (LMC1) and SV041 (LMC2).
00: Lost motion compensation stop
10: Lost motion compensation type 2
01: Lost motion compensation type 1
11: Setting prohibited
A
B
ovs
Set the compensation amount with SV031 (OVS1) and SV042 (OVS2).
00: Overshooting compensation stop
10: Overshooting compensation type 2
01: Overshooting compensation type 1
11: Setting prohibited
C 00: Adaptive filter sensitivity standard
D
afse
11: Adaptive filter sensitivity increase (Set 2bits at a time)
E zrn2 Set to “1”.
F aflt Adaptive filter stop Adaptive filter start
SV027 SSF1
Servo function
selection 1
(Note) Set to "0" for bits with no particular description.
SV028
Not used. Set to "0". 0
SV029 VCS
Speed at the
change of speed
loop gain
If the noise is bothersome at high speed during rapid traverse, etc, lower
the speed loop gain.
Set the speed at which the speed loop gain changes, and use this with
SV006 (VGN2).
When not using, set to “0”.
0 to 9999
(r/min)
The higher order 8bits and lower order 8bits are used for different functions.
“The setting value of SV030” = (Icx × 256) + IVC
Abbrev. Parameter name Explanation
Setting range
(Unit)
IVC
(Low
order)
Voltage dead band
compensation
When 100% is set, the voltage equivalent to the logical
non-energized time will be compensated.
When “0” is set, a 100% compensation will be performed.
Adjust in increments of 10% from the default value 100%.
If increased too much, vibration or vibration noise may be
generated.
0 to 255
(%)
Icx
(High
order)
Current bias 1
Normally set to “0”.
Use this in combination with SV040 and the high order
8bits of SV045.
0 to 127
SV030
0 to 32767
Parameters with an asterisk * in the abbreviation, such as PC1*, are validated with the NC power turned ON again.