NSK MEGATORQUE M-ESB-YSB2020AB300 - Page 114

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5.3. Manual Tuning
5.3.3. Adjustment of Velocity Loop Integration Frequency (VI)
3) Keep pressing the (+) key further until the Motor starts hunting and stops reciprocating motion.
Pressing ,
[+],[-],[ENT]
233( 123)
STEP1
_VI5
SHIFT
-
+
-
+
• • •
3) Press the (–) key several times to lower the VI until the Motor stops hunting and starts reciprocating
motion.
[+],[-],[ENT]
253( 145)
STEP0.1
_VI4
-
+
-
+
• • •
4) Obtain a VI data that is 80% of VI at where the hunting stopped.
If the hunting stopped at VI4 calculate as
4 × 0.8 = 3.2
This data shall be set to VI.
5) Press the SP
key once to make the changing resolution of VI for one press of the (+) or (–) key to
0.1.
[+],[-],[ENT]
263( 156)
STEP0.1
_VI4
SP
6) Press the (–) key several times until the VI data changes to the new setting.
[+],[-],[ENT]
263( 156)
STEP0.1
_VI3.2
-
+
-
+
• • •
7) Press the ENT key to complete the tuning. The prompt “:_”appears on the screen for the
acknowledgment.
263( 156)
STEP0.1
VI3.2
:_
ENT
8) Press the ENT key to complete the tuning. The prompt “:_”appears on the screen for the
acknowledgment.
263( 156)
STEP0.1
VI3.2
:_
ENT