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2 Instructions
CP1E CPU Unit Instructions Reference Manual(W483)
High-speed Counter/Pulse
Output Instructions
2
PLS2
Note Triangular Control
If the specified number of pulses is less than the number required to reach the target frequency and return to zero, the
function will automatically reduce the acceleration/deceleration time and perform triangular control (acceleration and
deceleration only.) An error will not occur.
Changing
settings,
continued
To change
target posi-
tion and
speed
smoothly,
continued
Changing the
acceleration and
deceleration rates
during positioning
(multiple start
function)
PLS2(887) can be exe-
cuted during positioning
(acceleration or deceler-
ation) to change the
acceleration rate or
deceleration rate.
PULS(886)
↓
ACC(888)
(Independent)
↓
PLS2(887)
PLS2(887)
↓
PLS2(887)
To change
direction
Changing the
direction during
positioning
PLS2(887) can be exe-
cuted during positioning
with absolute pulse spec-
ification to change to
absolute pulses and
reverse direction.
PLS2(887)
↓
PLS2(887)
PULS(886)
↓
ACC(888)
(Independent)
↓
PLS2(887)
Stopping
pulse out-
put
Stop pulse
output
(Number of
pulses set-
ting is not
preserved.)
Immediate stop Stops the pulse output
immediately and clears
the number of output
pulses.
PLS2(887)
↓
INI(880)
Stop pulse
output
smoothly.
(Number of
pulses set-
ting is not
preserved.)
Decelerate to a
stop
Decelerates the pulse
output to a stop.
PLS2(887)
↓
ACC(888)
(Independent,
target fre-
quency of
0Hz)
Opera-
tion
Purpose Application Frequency changes Description
Procedure/
instruction
Pulse
frequency
New target
frequency
Original target
frequency
Acceleration rate n
Acceleration
rate 3
Acceleration
rate 2
Acceleration
rate 1
Number of pulses
specified by
PLS2(887) #N.
Execution of
PLS2(887) #1
Execution of
PLS2(887) #2
Execution of PLS2(887) #3
Execution of PLS2(887) #N
Time
Pulse
frequency
Target
frequency
Specified
number of
pulses
Change of direction at the
specified deceleration rate
Number of pulses
(position) changed
by PLS2(887)
Execution
of PLS2
(887)
Execution of
PLS2(887)
Time
Pulse frequency
Present
frequency
Execution of
SPED(885)
Execution
of INI(880)
Time
Pulse frequency
Present
frequency
Target
frequency = 0
Execution of
ACC(888)
Deceleration rate
Time
Execution of
PLS2(887)
Pulse frequency
Target
frequency
Specified number
of pulses
(Specified with
PLS2(887).)
Execution of
PLS2(887)
Time