Omron CJ2H-CPU6*-EIP Series User Manual

8 Pulse Outputs
8-94
CJ2M CPU Unit Pulse I/O Module User’s Manual
* The starting frequency is ignored.
Switching from Speed Control (Continuous Mode) to Positioning
(Independent Mode)
Example
application
Frequency changes Function
Procedure
Instructions Settings
Change
from speed
control to
fixed dis-
tance posi-
tioning
during
operation
The PLS2(887) instruc-
tion can be executed dur-
ing a speed control
operation started with
ACC(888) to change to
positioning operation.
ACC (Con-
tinuous)
↓
PLS2
•Port
• Acceleration
rate
• Deceleration
rate
• Target fre-
quency*
• Number of
pulses
Fixed dis-
tance feed
interrupt
High-speed
interrupt
feeding
When an interrupt input
occurs during speed con-
trol for the IFEED(892)
instruction, operation
changes to positioning. An
interrupt task is not used.
There is no delay for the
starting time of the inter-
rupt task, improving the
feeding accuracy.
IFEED • Port
• Acceleration
rate
• Target fre-
quency
• Pulse output
set value
• Deceleration
rate
Time
Target
frequency
ACC (continuous)
executed.
PLS2 instruction executed.
Pulse frequency
Outputs the number of pulses
specified in PLS2 (Both relative and
absolute pulse specification can be
used.)
Pulse frequency
Time
Present
frequency
ACC (continuous)
executed.
Execution of PLS2 with the following settings
 Number of pulses = number of pulses until stop
 Relative pulse specification
 Target frequency = present frequency
 Acceleration rate = Not 0
 Deceleration rate = target deceleration rate
IFEED executed
Pulse frequency
Time
Target
frequency
Acceleration
rate
Interrupt input occurs.
Speed
control
Position
control
Specified number
of pulses
Deceleration
rate

Omron CJ2H-CPU6*-EIP Series Specifications

General

Brand	Omron
Model	CJ2H-CPU6*-EIP Series
Category	Controller
Language	English