— 5-11 —
B
B
3
3
t
t
y
y
p
p
e
e
B
B
5
5
t
t
y
y
p
p
e
e
2
2
3
3
t
t
y
y
p
p
e
e
2
2
5
5
t
t
y
y
p
p
e
e
5.3. Manual Tuning
5.3.2. Adjustment of Velocity Loop Proportional Gain (VG)
2) Press the (+) key several times observing motion of the Motor.
[+],[-],[ENT]
333( 222)
STEP1
_VG3
Pressing
SHIFT
-
+
-
+
• • •
,
Observe how the motion of Motor gets crisper as the response index decreases.
3) Keep pressing the (+) key further until the Motor starts hunting and stops reciprocating motion.
[+],[-],[ENT]
233( 123)
STEP1
_VG5
Pressing
SHIFT
-
+
-
+
• • •
4) Press the (-) key several times to lower the VG setting until the Motor stops hunting and starts
reciprocating motion.
[+],[-],[ENT]
253( 145)
STEP0.1
_VG4
-
+
-
+
• • •
5) Obtain a SG setting that is 80 % of the SG at where the hunting stopped.
If the hunting stopped at VG4 calculate as
4 × 0.8 = 3.2
This data shall be set to the parameter VG.
6) Press the SP
key once to make the changing resolution of VG for one press of the (+) or (-)
key to 0.1.
[+],[-],[ENT]
263( 156)
STEP0.1
_VG4
SP
7) Press the (-) key several times until the data changes to the new VG setting.
[+],[-],[ENT]
263( 156)
STEP0.1
_VG4
-
+
-
+
• • •
8） Press the ENT key to complete the tuning. The prompt “:” appears on the screen for the
acknowledgment.
263( 156)
STEP0.1
VG3.2
:_
ENT
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