Omron CP1L - 12-2007, Руководство по эксплуатации

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190
Pulse Outputs
Section 5-2
Stopping a Pulse Output
Change
direction Change the
direction dur-
ing position-
ing PLS2(887) can be
executed during
positioning with rel-
ative pulse specifi-
cation to change to
absolute pulses and
reverse direction. PULS(886)
↓
ACC(888)
(Indepen-
dent)
↓
PLS2(887)
• Number of
pulses
• Absolute
pulse spec-
ification
• Port
• “CW/CCW”
or “Pulse +
direction”
• Accelera-
tion rate
• Decelera-
tion rate
• Target fre-
quency
• Starting
frequency
PLS2(887)
↓
PLS2(887)
Change
pulse out-
put method Not supported.
Operation Example
application
Frequency changes Description Procedure
Instruction Settings
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
Operation Example applica-
tion
Frequency changes Description Procedure
Instruction Settings
Stop pulse
output
(Number of
pulses set-
ting is not
preserved.) Immediate stop Stops the pulse out-
put immediately
and clears the num-
ber of output pulses
setting. PULS(886)
↓
ACC(888) or
SPED(885)
(Indepen-
dent)
↓
INI(880)
• Stop pulse
output
PLS2(887)
↓
INI(880)
Stop pulse
output
(Number of
pulses set-
ting is not
preserved.) Immediate stop Stops the pulse out-
put immediately
and clears the num-
ber of output pulses
setting. PULS(886)
↓
SPED(885)
(Indepen-
dent)
↓
SPED(885)
• Port
• Indepen-
dent
• Target fre-
quency = 0
Stop sloped
pulse out-
put
smoothly.
(Number of
pulses set-
ting is not
preserved.) Decelerate to a
stop Decelerates the
pulse output to a
stop.
Note If ACC(888)
started the
operation, the
original
acceleration/
deceleration
rate will
remain in
effect.
If SPED(885)
started the
operation, the
acceleration/
deceleration
rate will be
invalid and
the pulse out-
put will stop
immediately.
PULS(886)
↓
ACC(888) or
SPED(885)
(Indepen-
dent)
↓
ACC(888)
(Indepen-
dent)
• Port
• Indepen-
dent
• Target fre-
quency = 0
PLS2(887)
↓
ACC(888)
(Indepen-
dent)
Pulse frequency
Present
frequency
Execution of
SPED(885)
Execution
of INI(880)
Time
Pulse frequency
Present frequency
Execution of
SPED(885)
Execution of
SPED(885)
Time
Pulse frequency
Present
frequency
Target
frequency = 0
Execution of
ACC(888)
Original
deceleration
rate
Time