Omron CP1H CPU UNITS - PROGRAMMING 05-2007, Operation Manual

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242
Pulse Outputs
Section 5-3
Changing Settings
Pulse frequency
Target
frequency
Specified number
of pulses
(Specified with
PULS(886).)
Execution of
ACC(888)
Time
Pulse frequency
Target
frequency
Specified number
of pulses
(Specified with
PULS(887).)
Execution of
PLS2(887)
Operation Example
application
Frequency changes Description Procedure
Instruction Settings
Change
speed in
one step Changing
the speed in
one step dur-
ing operation SPED(885) can be
executed during
positioning to
change (raise or
lower) the pulse
output frequency in
one step.
The target position
(specified number
of pulses) is not
changed. PULS(886)
↓
SPED(885)
(Indepen-
dent)
↓
SPED(885)
(Indepen-
dent)
•Number
of pulses
•Relative
or abso-
lute pulse
specifica-
tion
•Port
•“CW/
CCW” or
“Pulse +
direction”
•Indepen-
dent
•Target fre-
quency
Change
speed
smoothly
(with accel-
eration rate
= decelera-
tion rate) Changing
the target
speed (fre-
quency) dur-
ing
positioning
(accelera-
tion rate =
deceleration
rate) ACC(888) can be
executed during
positioning to
change the acceler-
ation/deceleration
rate and target fre-
quency.
The target position
(specified number
of pulses) is not
changed. PULS(886)
↓
ACC(888) or
SPED(885)
(Indepen-
dent)
↓
ACC(888)
(Indepen-
dent)
•Number
of pulses
•Relative
or abso-
lute pulse
specifica-
tion
•Port
•“CW/
CCW” or
“Pulse +
direction”
•Indepen-
dent
•Accelera-
tion and
decelera-
tion rate
•Target fre-
quency
PLS2(887)
↓
ACC(888)
(Indepen-
dent)
Pulse
frequency
New target
frequency
Original target
frequency
Specified number
of pulses
(Specified with
PULS(886).)
Number of pulses
specified with
PULS(886) does
not change.
Execution of SPED(885)
(independent mode)
SPED(885) (independent
mode) executed again to
change the target
frequency. (The target
position is not changed.)
Time
New target
frequency
Original target
frequency
Specified
number of
pulses
(Specified with
PULS(886).)
Number of
pulses specified
with PULS(886)
does not
change.
Pulse
frequency
Execution of
ACC(888)
(independent
mode)
ACC(888) (independent
mode) executed again to
change the target
frequency. (The target
position is not changed,
but the
acceleration/deceleration
rate is changed.)
Time
Acceleration/
deceleration
rate