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

Page: 273 / 788

239
Pulse Outputs
Section 5-3
Changing Settings
Operation Example
application
Frequency changes Description Procedure
Instruction Settings
Output with
specified
speed Changing the
speed (frequency)
in one step Outputs pulses at a
specified frequency. SPED(885)
(Continuous) •Port
“CW/
CCW” or
“Pulse +
direction”
•Continu-
ous
•Target fre-
quency
Output with
specified
acceleration
and speed Accelerating the
speed (frequency)
at a fixed rate Outputs pulses and
changes the fre-
quency at a fixed
rate. ACC(888)
(Continuous) •·Port
•“CW/
CCW” or
“Pulse +
direction”
•Continu-
ous
•Accelera-
tion/decel-
eration
rate
•Target fre-
quency
Pulse frequency
Target frequency
Execution of SPED(885)
Time
Pulse frequency
Target frequency
Acceleration/
deceleration
rate
Execution of
ACC(888)
Time
Operation Example applica-
tion
Frequency changes Description Procedure
Instruction Settings
Change
speed in
one step Changing the
speed during oper-
ation Changes the fre-
quency (higher or
lower) of the pulse
output in one step. SPED(885)
(Continu-
ous)
↓
SPED(885)
(Continu-
ous)
•Port
•Continu-
ous
•Target fre-
quency
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)
•Port
•Continu-
ous
•Target fre-
quency
•Accelera-
tion/decel-
eration
rate
Changing the
speed in a polyline
curve during opera-
tion Changes the accel-
eration or decelera-
tion rate during
acceleration or
deceleration. ACC(888)
(Continu-
ous)
↓
ACC(888)
(Continu-
ous)
•Port
•Continu-
ous
•Target fre-
quency
•Accelera-
tion/decel-
eration
rate
Change
direction Not supported.
Change
pulse out-
put method Not supported.
Pulse frequency
Target frequency
Present frequency
Execution of
SPED(885)
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