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ACCELERATION CONTROL: ACC(888)
Operation
Purpose
Starting
To output
Accelerating the
pulse output
with speci-
speed (frequency)
fied accel-
at a fixed rate
eration and
speed
Changing
To change
Changing the
settings
speed
speed smoothly
smoothly
during operation
Changing the
speed in a
polyline curve
during operation
112
■
Continuous Mode Speed Control
Pulse output will continue until it is stopped from the program.
Note Pulse output will stop immediately if the CPU Unit is changed to PROGRAM
mode.
Application
Pulse frequency
Target frequency
Present frequency
Pulse frequency
Target frequency
Present frequency
Pulse frequency
Target frequency
Present frequency
Frequency changes
Acceleration/
deceleration
rate
Execution of
ACC(888)
Acceleration/
deceleration
rate
Execution of
ACC(888)
Acceleration rate n
Acceleration
rate 2
Acceleration
rate 1
Execution of ACC(888)
Execution of ACC(888)
Execution of ACC(888)
Section 5-8
Description
Outputs pulses and
changes the fre-
quency at a fixed
rate.
Time
Changes the fre-
quency from the
present frequency
at a fixed rate. The
frequency can be
accelerated or
decelerated.
Time
Changes the accel-
eration or decelera-
tion rate during
acceleration or
deceleration.
Time
Procedure/
instruction
ACC(888)
(Continu-
ous)
ACC(888) or
SPED(885)
(Continu-
ous)
↓
ACC(888)
(Continu-
ous)
ACC(888)
(Continu-
ous)
↓
ACC(888)
(Continu-
ous)
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