Omron SYSMAC CP Series, Руководство пользователя

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12 Pulse Outputs
12-66
CP2E CPU Unit Software User’s Manual(W614)
The following operations can be performed in Independent Mode by combining instructions.
12-11-2 Positioning Control (Independent Mode)
Starting a Pulse Output
Operation
Example
application
Frequency changes Description
Procedure
Instruc-
tion
Settings
Output with
specified
speed Positioning
without accel-
eration or
deceleration Starts outputting
pulses at the speci-
fied frequency and
stops immediately
when the specified
number of pulses
has been output.
The target position
(specified number of
pulses) cannot be
changed during
positioning.
PULS
↓
SPED
(Indepen-
dent)
• Number of
pulses
• Relative or
absolute
pulse speci-
fication
• Port
• Pulse +
Direction
• Independent
• Target fre-
quency
Simple trape-
zoidal control Positioning
with trapezoi-
dal accelera-
tion and
deceleration
(Same rate
used for accel-
eration and
deceleration;
no starting
speed).
The number of
pulses cannot
be changed
during posi-
tioning.
Accelerates and
decelerates at the
same fixed rate and
stops immediately
when the specified
number of pulses
has been output.* PULS
↓
ACC
(Indepen-
dent)
• Number of
pulses
• Relative or
absolute
pulse speci-
fication
• Port
• Pulse +
Direction
• Independent
• Accelera-
tion and
decelera-
tion rate
• Target fre-
quency
Complex
trapezoidal
control Positioning
with trapezoi-
dal accelera-
tion and
deceleration
(Separate
rates used for
acceleration
and decelera-
tion; starting
speed)
The number of
pulses can be
changed dur-
ing position-
ing.
Accelerates and
decelerates at a
fixed rates. The
pulse output is
stopped when the
specified number of
pulses has been
output.*
The target position
(specified number of
pulses) can be
changed during
positioning.
PLS2 • Number of
pulses
• Relative or
absolute
pulse speci-
fication
• Port
• Pulse +
Direction
• Accelera-
tion rate
• Decelera-
tion rate
• Target fre-
quency
• Starting fre-
quency
P u lse fre qu ency
Target
fre
qu ency
Exec u tion of SPED
Time
Specified n u m b er of p u lses
(Specified w ith PULS)
O u tp u ts the specified n u m b er
of p u lses and then stops.
Time
P u lse fre qu ency
Target
fre
qu ency
Acceleration/
deceleration rate
Specified n u m b er of p u lses
(Specified w ith PULS)
O u tp u ts the specified
n u m b er of p u lses and
then stops.
Exec u tion of ACC
Execution
of PLS2
Time
Acceleration
rate
Target
frequency
Starting
frequency
Deceleration rate
Specified number of pulses
Target
frequency reached
Deceleration point
Output stops
Stop frequency
Pulse
frequency