240
Pulse Outputs Section 5-3
5-3-4 Pulse Output Patterns
The following tables show the kinds of pulse output operations that can be
performed by combining various pulse output instructions.
Continuous Mode (Speed Control)
Starting a Pulse Output
No-origin Flags
ON when the origin has not been deter-
mined for the pulse output.
0: Origin established.
1: Origin not established.
A280.05 A281.05 A326.05 A327.05
At-origin Flags
ON when the pulse output PV matches
the origin (0).
0: Not stopped at origin.
1: Stopped at origin.
A280.06 A281.06 A326.06 A327.06
Output Stopped Error Flags
ON when an error occurred while output-
ting pulses in the origin search function.
0: No error
1: Stop error occurred.
A280.07 A281.07 A326.07 A327.07
Stop Error Codes --- A444 A445 A438 A439
Function Pulse output number
0123
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
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