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899
High-speed Counter/Pulse Output Instructions
Section 3-21
■
Continuous Mode Speed Control
Pulse output will continue until it is stopped from the program.
Note Pulse output will stop immediately if the CPU Unit is changed to PROGRAM
mode.
Operation
Purpose
Application
Frequency changes
Description
Procedure/
instruction
Starting
pulse output
To output
with speci-
fied accel-
eration and
speed
Accelerating the
speed (frequency)
at a fixed rate
Outputs pulses and
changes the fre-
quency at a fixed
rate.
ACC(888)
(Continu-
ous)
Changing
settings
To change
speed
smoothly
Changing the
speed smoothly
during operation
Changes the fre-
quency from the
present frequency
at a fixed rate. The
frequency can be
accelerated or
decelerated.
ACC(888) or
SPED(885)
(Continu-
ous)
↓
ACC(888)
(Continu-
ous)
Changing the
speed in a
polyline curve
during operation
Changes the accel-
eration or decelera-
tion rate during
acceleration or
deceleration.
ACC(888)
(Continu-
ous)
↓
ACC(888)
(Continu-
ous)
Decelerating to a
stop
The deceleration
rate is changed
while decelerating.
Note If the target
frequency is
set to 0 Hz,
the current
deceleration
rate will be
used.
ACC(888)
(Continu-
ous)
↓
ACC(888)
(Continu-
ous)
↓
ACC(888)
(Continu-
ous, target
frequency of
0 Hz)
Pulse frequency
Target frequency
Present frequency
Acceleration/
deceleration
rate
Execution of
ACC(888)
Time
Pulse frequency
Target frequency
Present frequency
Acceleration/
deceleration
rate
Execution of
ACC(888)
Time
Pulse frequency
Target frequency
Present frequency
Acceleration rate n
Acceleration
rate 2
Acceleration
rate 1
Execution of ACC(888)
Execution of ACC(888)
Execution of ACC(888)
Time
Acceleration/deceleration rate 1
Time
Pulse frequency
Execution of ACC(888)
Execution of ACC(888)
Execution of ACC(888)
(target frequency = 0)
Acceleration/
deceleration rate 2
Present
frequency
Target
frequency = 0
Содержание SYSMAC CS Series
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Страница 30: ...xxx ...
Страница 186: ...146 List of Instructions by Function Code Section 2 4 ...
Страница 194: ...154 3 35 4 MOVE BIT MOVBC 568 1273 3 35 5 BIT COUNTER BCNTC 621 1275 3 35 6 GET VARIABLE ID GETID 286 1277 ...
Страница 1320: ...1280 Model Conversion Instructions Unit Ver 3 0 or Later Section 3 35 ...
Страница 1390: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...
Страница 1391: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits ...
Страница 1392: ...1352 ASCII Code Table Appendix A ...
Страница 1404: ...1364 Revision History ...