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2. OPERATION
Class No. Symbol
2
ATU
Auto tuning:
Used to set the response level, etc. for execution of
auto tuning.
3
CMX
Electronic gear (Command pulse multiplying factor numerator):
Used to set the multiplier of the command pulse input.
Command pulse input
Note: Set in the range of 1/50<
The setting of the number of input pulses per servo
motor revolution can be changed by the following
formula:HC-MF series: 8192 pulses/rev)
Name and Function
0
Auto tuning response level
setting
Set Value
• If the machine hunts or generates
large gear sound, decrease the
set value.
• To improve performance, e.g.
shorten the settling time, increase
the set value.
Select the machine.
For example, used to improve the
position settling characteristic
when friction is large.
0: Normal
1: Friction is large
Auto tuning selection
0: Interpolation axis control(speed loop only)
1: Executed for both position and speed loops
2: No.
CMX
f
CDV
1
CDV
8192 •
[pulse/rev]
CMX
Wrong setting will rotate the
CAUTION
servo motor at unexpectedly
high speed, leading to injury.
Response Level
1
Low response
2
to
3
Middle response
4
to
5
High response
Position command
CMX
f
f
2 =
1 •
CDV
CMX
<50.
CDV
2– 34
Initial
Setting
Unit
Value
Range
0102
0001h
to
0215h
1
1 to 32767
Control
Mode
P • S
P
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