Omron CP1E - INTRODUCTION User Manual

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4-2 Creating Ladder Programs

SYSMAC CP1L/CP1E Introduction Manual 45

Creating Programs

4-2 Creating Ladder Programs

A ladder program can now be created for the example introduced in SECTION 2 System Design. First,

however, the functions of the ladder program will be described.

4-2-1 Operation

The ladder program to be created will open and close a garage shutter.

For details on the example application, refer to 2-2-1 Operation.

●Entering the Garage

The component functions and operations will be defined in detail below.

(1) Push-buttons (A16-series, etc):

• The shutter can be opened, closed, and stopped with buttons.

• The OPEN and CLOSE buttons will continue operating the shutter even when

they are not held down. A self-maintaining bit is used to achieve this.

(2) Limit switches (WL/WLM-series, etc):

• When the shutter is fully opened or fully closed, it will be stopped by a limit

switch.

• When the shutter is opening, the de-escalation motor will be interlocked to

prevent damage.

(3) Light detection sensor:

• A light detection sensor detects light from headlights pointed at the garage.

When 3 headlight flashes are detected by a counter instruction, the shutter

escalation motor is activated.

• After the first headlight flash, a timer is activated by a timer instruction. After 5

seconds, a reset command is given to the counter instruction.

• The present value of the counter instruction is retained even when CP1L is

powered OFF. To prevent malfunction, a reset command is given to the

counter instruction when CP1L is powered ON.

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Omron CP1E - INTRODUCTION Specifications

General

Series	CP1E
Manufacturer	Omron
Input Voltage	100 to 240 VAC or 24 VDC (depending on model)
I/O Points	10 to 60 points
Number of Inputs	6 to 36 points
Number of Outputs	4 to 24 points
Communication Ports	USB, RS-232C
Programming Language	Ladder Diagram (LD)
Power Supply	100-240V AC or 24V DC
Storage Temperature	-25°C to 65°C
Vibration Resistance	10 to 57 Hz, 0.075mm amplitude
Shock Resistance	147 m/s², 3 times each in X, Y, Z directions
Weight	Varies by model
Type	Programmable Logic Controller (PLC)