High−level Instructions
3 − 504
Outline Outputs pulses from the specified pulse output channels according to
the specified parameters.
[Feature] An acceleration time and deceleration time can be set
respectively. Also, the deceleration stop is available.
The target speed can be changed.
Program example
Boolean
Ladder Diagram
Address Instruction
F171 SPDH , DT100 , K 0
S
n
R10
DF
To change the speed, do not insert the DF instruction
as the trigger should be kept being ON.
10
11
12
ST R 10
DF
F171 (SPDH)
DT 100
K0
S Starting 16−bit area for registering data tables
n Channels intended for pulse output (n=0 to 3)
Operands
O
K H
modifier
n N/A N/A N/A N/A N/A N/A A N/A N/A N/A N/A N/A A
S N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A A A N/A
(*1) I0 to ID
Description
When the trigger is on, pulses are output from the specified channels and the trapezoidal control can be
performed.
The control code, initial speed, target speed, acceleration time, deceleration time and the target value is
specified by creating data tables [S] to [S+11] using user progrmas.
When accelerating, the frequency is changed in the acceleration time specified from the initial speed to the
target speed.
When decelerating, the frequency is changed in the deceleration time specified from the target speed.
The deceleration stop request is available by the control data (bit5) of DT90052. (e.g.) F0(MV) H120,
DT90052
When using the same condition as the table used at the preveious startup, the operation can be started at
high speed without calculation.
Method of acceleration/deceleration and initial speed
During the pulse output, the pulse output insturction flag corresponding to the channel turns on.
When the deceleration stop is requested during acceleration, deceleration is performed with the same slope
of the deceleration time from the target speed.
In this instruction, the operation is processed giving the acceleration/deceleration time priority.
FP0R
Pulse output
(Trapezoidal control)
5
F171
(SPDH)
Availability
FP0R
A: Available
N/A: Not Available
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