Omron CJ1M-CPU series Programming Manual

17
Description of Tasks Section 1-6
Example: Each Task Controlled by Another Task
In this example, each task is controlled by another task.
Program
Task 0
Task 1
Task 2
Program for task 0
Program for task 1
Example: Task 1 is set to be executed at the start of operation
unconditionally.
Task 1 executable when a is ON.
Task 1 put on standby when b is ON.
Task 2 is executable when c is ON and task 1 has
been executed.
Task 0
Task 1
Task 2
Task 0
Task 1
Task 2
Task 0
Task 1
Task 2
Task 0
Task 1
Task 2
Put task 1
on standby
when b is
ON.
If task 1 executed
Start
task 2
when c
is ON.
Start task 1
when a is
ON.
Note TKOF(821) can be used in a task to put that
task itself on standby.

Omron CJ1M-CPU series Specifications

General

Series	CJ1M
Program Memory	Flash Memory
Power Supply Voltage	24V DC
Operating Temperature	0 to 55°C
Type	Programmable Controller
CPU Type	CPU11, CPU12, CPU13, CPU21, CPU22, CPU23
Data Memory	SRAM
Data Memory Capacity	32K words (CJ1M-CPU11/12/13), 64K words (CJ1M-CPU21/22/23)
Instruction Execution Time (Basic Instructions)	0.1 μs (LD instruction)
Instruction Set	Basic instructions, advanced instructions
Programming Language	Ladder Diagram, Structured Text, Function Block Diagram
Communication Ports	RS-232C
Expansion Slots	Up to 3
Mounting	DIN rail mounting
Storage Temperature	-25 to 70°C
Dimensions	90 x 90 x 70 mm
Weight	Approx. 200g (0.44 lb)
Number of Instructions	Over 400 instructions