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Acceleration and Deceleration Operations
Section 7-4
acceleration/deceleration of the linear acceleration/deceleration curve prior to
taking the moving average. Set the length of time in which the average accel-
eration/deceleration curve will be taken in the Servo Parameter
Movement
Average Time
for W-series Servo Drives (Pn812) or
Moving Average Time
for
G-series Servo Drives (Pn10E).
When there is a sufficient constant interval at the target speed (speed com-
mand value), the time taken to reach target speed for S-curve accelera-
tion/deceleration is delayed in relation to the linear acceleration/deceleration
curve by the set value for the Servo Parameter
Movement Average Time
for
W-series Servo Drives (Pn812) or
Moving Average Time
for G-series Servo
Drives (Pn10E). In the same way, the time required to stop after positioning
will be delayed by this set amount.
If the constant speed interval for the target speed is less than the movement
(running) average time or a triangular acceleration/deceleration curve occurs,
the achieved speed of S-curve acceleration/deceleration will be less than the
target speed.
7-4-4
Origin Search Acceleration/Deceleration Operations
The origin search operation of the PCU consists of the following three steps.
1,2,3...
1.
Search for origin proximity signal
2.
Search for origin signal after detection of origin proximity signal
3.
Positioning for final travel distance to return to zero point (origin) after de-
tection of origin signal
Speed
The S-curve acceleration/deceleration for
the acceleration/deceleration curve will
not reach the target speed if the target
speed (speed command value) constant
interval is too short or a triangular
acceleration/deceleration curve occurs.
Time
Speed command
Origin proximity
input signal
Origin input signal/
Phase Z signal
Speed command value
Speed
Start
Zero point return approach speed 1 (Pn817) for W Series
Origin return approach speed 1 (Pn110) for G Series
Final travel distance to return to zero point
(Pn819) for W Series
Origin return final distance (Pn204) for G Series
Origin search direction
Stop
1
0
1
0
(1)
(2)
(3)
Zero point return approach speed 2 (Pn818) for W Series
Origin return approach speed 2 (Pn111) for G Series
Содержание CJ1W-MA - REV 10-2008
Страница 3: ...iv ...
Страница 5: ...vi ...
Страница 21: ...xxii ...
Страница 57: ...30 Starting Operation Section 2 2 ...
Страница 97: ...70 Wiring Section 3 4 ...
Страница 247: ...220 Transferring Servo Parameters Section 5 3 ...
Страница 281: ...254 Standard Settings for Servo Drives Using MECHATROLINK Section 6 4 ...
Страница 343: ...316 Absolute Encoder Origin Section 8 6 ...
Страница 375: ...348 Linear Interpolation Section 9 7 ...
Страница 423: ...396 DEVIATION COUNTER RESET Section 10 10 ...
Страница 631: ...604 Additional Functions for the CJ1W NCF71 MA Appendix F ...
Страница 641: ...614 Index ...
Страница 643: ...616 Revision History ...