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60
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Adjustment
How to Adjust Gain Manually
Before Adjustment
You may adjust the gains by viewing or hearing the motions and sound of the machine
during operation. But, to
adjust the gains more quickly and precisely, you can obtain
quicker and secure adjustment by analog
wave form monitoring.
1. Using the analogue monitor output
You can measure the actual motor speed,
commanded speed, torque, position
error in analog voltage level with an
oscilloscope.To do this, it is necessary to
specify the types of output signals and
output voltage level by using Pr07
(Velocity monitor selection), Pr08 (Torque
monitor selection). For details, see
"CN I/F Connector" in the main part of this
manual, and "Details of Parameters" in Appendix.
2.
Wave form graphic function of PANATERM
You can view the graphic information of
the command to the motor, actual motor
action (speed, torque and position error)
on the computer display screen.
For details, see the instructions of
PANATERM.
26
ZERO
SPD
28
DIV
30
CL
32
C-
MODE
34
S-
RDY
36
ALM
38
COIN
40
TLC
42
IM
44
BATT
46
NC
48
OB
27
GAIN
29
SRV
-ON
31
A-
CLR
33
INH
35
S-
RDY
37
ALM
39
COIN
41
COM
43
SPM
45
BATT
47
NC
49
OB
1
NC
3
PULS1
5
SIGN1
7
COM
9
CCWL
11
BRK-
OFF
13
GND
15
GND
17
GND
19
CZ
21
OA
23
OZ
2
NC
4
PULS2
6
SIGN2
8
CWL
10
BRK-
OFF
12
ZSP
14
SPR
TRQR
/TRQR
16
CCWTL
18
CWTL
20
NC
22
OA
24
OZ
50
FG
25
GND
Guidance Values of Gains, and How to Adjust
See the table below for the guidance values of gains, if the inertia ratio has been set correctly.
How to adjust
① Adjust the gain Pr11 and Pr12 which relate to the velocity loop.
② Adjust the position loop gain, Pr10.
③ Pr10 (Position loop gain) should be smaller than Pr11 (Velocity loop gain).
<Note>
You cannot adjust the current loop gain, since these are fixed per the model.
Position loop gain
Pr10
100 〜 150
50
70
Machine
Ball screw
Timing belt
Rack & pinion
Velocity loop gain
Pr11
200 〜 300
100 〜 200
100
Velocity loop integration time constant
Pr12
100 〜 150
50
70
ID
MODE
IM
NET
SER
I/F
SIG
U
V
W
L 1
L 2
L 3
B 1
B 2
r
t
P
SP
G
SET
※ Note
Connect to
CN SER
(not CN NET)
RS232C cable
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