Communication, Counter and Pulse
SECTION 4
Ladder Diagram
The following table shows the instruction operations related to pulse outputs
Programming
with variable duty ratio.
Instruction
Control
Operation
Pulse output with
variable duty ratio
Sets the frequency and duty ratio and
starts the pulse outputs.
(@)PWM(––)
Change duty ratio
Changes the duty ratio during pulse
while pulse outputs with variable duty
ratio are already in progress.
(@)INI(61)
Stop pulse outputs
Stops the pulse outputs.
(@)PRV(62)
Read pulse output status
Reads the pulse output status (during
pulse outputs).
The following table shows the words and bits related to pulse outputs with
variable duty ratio.
Word Bit
Name
Contents
AR 11
15
Pulse output in progress
for pulse output 0
ON: In progress (by SPED(64),
ACC(––), or PWM(––))
OFF: Stopped
AR 12
15
Pulse output in progress
for pulse output 1
ON: In progress (by SPED(64),
ACC(––), or PWM(––))
OFF: Stopped
4-4-3
Using Pulse Outputs With Trapezoidal Acceleration/Deceleration
Select the pulse output number.
Wire the outputs.
Output numbers: 01000 and 01001
PLC Setup (DM6629)
PV coordinate system for pulse output number 0
Pulse output number 0
Select the direction and control method.
Pulse + direction or up/down output
Create a ladder diagram program.
PULS(65): For setting the number of output pulses.
ACC(---): For controlling pulse outputs with trapezoidal acceleration
and deceleration
INI(61): For stopping pulse outputs and changing the pulse output PV.
PRV(62): For reading the pulse output PV and status.
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Содержание 3G3MV-P10CDT-E
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