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279
Acceleration and Deceleration Operations
Section 7-4
W-series and SMARTSTEP Junior Servo Parameters
Acceleration/Deceleration Constants
The SMARTSTEP Junior Servo Drives do not support the following parame-
ters: Pn80A, Pn80C, Pn80D, and Pn80F. One-step linear acceleration/decel-
eration curves are set using only Pn80B and Pn80E.
To operate an axis using only a first-step acceleration/deceleration curve with
a W-series Servo Drive, only settings for the parameters Pn80B and Pn80E
are required if the default settings (0) are used for the Servo Parameters
Acceleration Constant Switching Speed
and
Deceleration Constant Switching
Speed
(Pn80C and Pn80F).
Unit for Acceleration/Deceleration Constants
The unit for the acceleration/deceleration filters set in the Position Control Unit
is 10000 command units/s
2
using the command unit determined by the elec-
tronic gear ratio in the Servo parameters.
The setting of the command unit can cause the setting unit for the accelera-
tion/deceleration constants to become imprecise or changes in the setting can
greatly affect the size of accelerations/decelerations.
Type
Parameter
No.
Parameter name
Unit
Setting
range
Parameter
size
Default
setting
W Series SMARTS
TEP
Junior
Accelera-
tion/
decelera-
tion con-
stants
Pn80A
First-step linear accel-
eration constant
10,000
command
units/s
2
1 to
65535
2
100
Sup-
ported
Not sup-
ported
Pn80B
Second-step linear
acceleration constant
10,000
command
units/s
2
1 to
65535
2
100
Sup-
ported
Sup-
ported
Pn80C
Acceleration constant
switching speed
100 com-
mand
units/s
0 to
65535
2
0
Sup-
ported
Not sup-
ported
Pn80D
First-step linear decel-
eration constant
10,000
command
units/s
2
1 to
65535
2
100
Sup-
ported
Not sup-
ported
Pn80E
Second-step linear
deceleration constant
10,000
command
units/s
2
1 to
65535
2
100
Sup-
ported
Sup-
ported
Pn80F
Deceleration constant
switching speed
100 com-
mand
units/s
0 to
65535
2
0
Sup-
ported
Not sup-
ported
Speed
Time
Speed
command
v
al
u
e
Pn
8
0C
Pn
8
0F
Second-step linear
acceleration constant
First-step linear
acceleration
constant
First-step linear
deceleration
constant
Second-step linear
deceleration
constant
Содержание CJ1W-NC271 - 12-2009
Страница 2: ......
Страница 4: ...iv ...
Страница 6: ...vi ...
Страница 22: ...xxii ...
Страница 58: ...30 Starting Operation Section 2 2 ...
Страница 244: ...216 Axis Operating Input Memory Areas Section 4 8 ...
Страница 264: ...236 Transferring Servo Parameters Section 5 3 ...
Страница 396: ...368 Linear Interpolation Section 9 7 ...
Страница 648: ...620 List of Error Codes Appendix D ...
Страница 674: ...646 Additional Functions for the CJ1W NCF71 MA Appendix F ...
Страница 684: ...656 Index ...
Страница 686: ...658 Revision History ...