Shihlin SDH Series, Manual

Page: 134 / 220

125
Chapter 8.
No Abbr. Function description
Control
Mode
Initial
Value
Setting
range
unit
PA44
EGM
(*)
Electronic gear ratio mode
0 ： normal, ratio=PA06/PA07
1
：
ratio conversion 1, ratio= encoder resolution/
PA45
2
：
ratio conversion 2, ratio= 2 x PA06/PA07, it is
suitable for 22bit
to 23bit conversion
Here is a explanation diagram
：
Pr.Pt 0
0
~
2
-
PA45
FBP
(*)
Position command pulse per revolution
Used to set the position command pulse number per
revolution when the PA44 is set as 1.
Pr.Pt 10000
10
3
~
10
6
pulse
PA46
~
PA50
Reserved
No Abbr. Function description
Control
Mode
Initial
Value
Setting
range
unit
PB01 NHF1
Machine resonance suppression filter 1
To set a specific frequency which the control gain is decreased to
suppress the mechanism resonance. Refer to section 6.3.6.
Pr.Pt
S.T
1000
10
~
4000
Hz
PB02 NHD1
Machine resonance suppression attenuation 1
To set the attenuation at the PB01 frequency. The setting of “0”
value denotes the disabled of this notch filter.
Pr.Pt
S.T
0
0
~
32
dB
PB03 NLP Resonance suppression low-pass filter
To set low-pass filter time constant for suppress resonance
Pr.Pt
S.T
10
0
~
10000
0.1ms
PB04 PST
Position command filter time constant
Used to smooth the running of motor in position control mode.
See section 6.4.3 for more details.
The time to reach actual target position is 5time of PST.
Pt. Pr 3
0
~
20000
ms
PB05 FFC
Position feed-forward gain
To reduce the position error and position settling time, but if the value
is set too large, a sudden acceleration or deceleration may cause
overshoots.
Pt. Pr 0
0
~
200
%