— 8-15 —
2)
Decrease low-pass filter frequency (FP) to lower noise level by typing minus (-) key several times.
[+],[-],[ENT]
333( 222)
STEP10
_FP500
-
+
-
+
• • •
3)
If the Motor starts to rotate unstably, increase “FP” value by typing plus (+) key several times.
[+],[-],[ENT]
233( 123)
STEP10
_FP120
Pressing
,
SHIFT
-
+
-
+
• • •
4)
Type the enter key to complete the adjustment.
233( 123)
STEP10
_FP120
:_
ENT
Note : To deactivate the filter, input the filter command with “0” data. For example type as:
:FP0
:_
ENT
P
F
0
?
Note : Setting “Notch Filter”
◊
When setting notch filter, you can connect the ocsilloscope to monitor pins on Driver Unit
front panel to know the resonance frequency.
• Example
(i) Check the resonance frequency as shown in Figure 8-3.
(ii) If the resonance frequency is 200Hz, input
ENT
0
?
0
?
P
N
2
$
to set notch filter frequency.
Figure 8-3
MADE IN JAPAN
N S K L t d .
N S K L t d
Type
CN3
SENSOR
V E L
GND
CN2
I/O
MAIN
AC200-220V
CONT.
A C100-220V
CN4
MOTOR
CN1
RS-232C
FUSE1
250V
T10A
POWER
DISP.
VR1
MON
GND
CN5
I/O2
R
S
T
No.
ESA
NSK
NSK
FUSE2
250V
T10A
FGND
Ocsilloscope
Display
Handy Terminal
200Hz (5ms)
:NP200
:_
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