48
3-5
Setting Dwell Times
In servomotor positioning, hunting can occur near the positioning destination
because of gain. Sudden deceleration and high-speed movement over a
short distance aggravate the tendency to hunt. To minimize the effects of
hunting, positioning completed signals can be held for a certain duration or
dwell time before they are set. You can enter one of 10 dwell times at ad-
dresses 450-459 for the X axis and 850-859 for the Y axis. Positioning ac-
tions call these times as abbreviated addresses. The dwell time allows posi-
tioning to complete before another positioning action begins. For a compre-
hensive listing of default values see
3-8 Initial Data
.
Position
hunting
Position
Speed
Address
1 Word
Dwell time
1 Word
Range: 0 to 9,990 ms
(Default: 0 to 900 ms)
Position
destination
1
3-6
Setting Acceleration and Deceleration Times
The acceleration and deceleration times are stored in addresses 460-469 for
the X axis and 869-869 for the Y axis. The values in the addresses set the
time it takes to accelerate to maximum speed (addresses 411, 811) from a
stop and decelerate from maximum speed to a stop. Positioning actions also
call these times as abbreviated addresses. You can set one of 10 accelera-
tion and 10 deceleration times (each address stores acceleration and decel-
eration times in separate words). Select the times appropriately for your
needs by computing proportionally for acceleration to the operating speed
needed. For a comprehensive list of default values see
3-8 Initial Data
.
Address
1 Word
Acceleration
time
1 Word
Deceleration
time
1 Word
0
0
(1-499) X 10 ms
(1-499) X 10 ms
(Defaults: 100-200, 100-600)
2
Setting Acceleration and Deceleration Times
Section 3-6
Содержание SYSMAC C500-NC222-E
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Страница 2: ...C500 NC222 E Two axis Position Control Unit NC221 Mode Operation Manual Revised June 2003...
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Страница 163: ...Cat No W138 E1 03 Note Specifications subject to change without notice Printed in Japan Authorized Distributor...
Страница 164: ...Cat No W138 E1 03 SYSMAC C500 NC222 E Two axis Position Control Unit NC221 Mode OPERATION MANUAL...