Mitsubishi Electric MELSEC Q Series User manual

How to read this guide

The following shows the symbols used in this Quick start guide with descriptions and examples.

Symbol Description Example

This symbol explains information

you need to know.

Select [View] → [Comment] ( key + key).

The comment display/hide setting can be switched.

This symbol describes the

references of manuals and pages

for more details.

For details, refer to the following manual.

QnUCPU User's Manual (Function

Explanation, Program Fundamentals): SH-

080807ENG

This symbol describes content

that must be noted in operation.

When mounting the module, the power must be turned

OFF.

[ ] Menu names on the menu bar ([ ]

→[ ] shows drop-down menus.) Select [Project] → [New project].

Buttons on the screen button

Keys on the keyboard key

( )

Another procedure

corresponding to a drop-down

menu (icons and keys on the

keyboard)

Select [Online] → [Monitor] → [Monitor mode] (

key) ( ).

< > Tab names on the screen <Program common> tab

Point

Ctrl

Reference

Caution

Generic terms

The following explains the terms used in this Quick start guide.

Generic term Description

Programmable controller

system

Combination of the power supply module, the CPU module, the I/O modules,

and the base unit.

Sequence control Consecutively processes each control step based on the fixed order or

procedure.

QnACPU General term for the programmable controller CPU available in MELSEC-QnA.

GX Developer Application software to create sequence programs and communicate with the

programmable controllers.

CPU module The core module to unify the controls of the programmable controllers.

Q02UCPU is used in this Quick start guide.

Power supply module Supplies electricity to each module, including the CPU module and the I/O

modules.

Base unit The unit that mounts the power supply module, the CPU module, and the I/O

modules.

Building block

A method to organize one system by combining necessary elements.

Elements such as the power supply module, the CPU module, the I/O

modules, and the base unit are combined in the programmable controller

system.

Limit switch A switch to suspend mobile objects on both sides of a moving apparatus for

safety reasons.

Relay Breaks/connects the electricity with electrical switching.

Contactor

Generally called an electromagnetic contactor to break circuits and switch the

heater.

Solenoid valve An electromagnet with a direct/alternating current solenoid valve. Connected

to the output side of the programmable controller.

Ground Prevents electric shocks and malfunctions.

Control panel

Transfers signals to other equipment. Combines such elements as breakers,

switches, protection equipment, relays, and programmable controllers.

Receives signals from switches and sensors, and supply electricity to operate

motors and solenoid valves of the machines and equipment.

Isolation transformer

A two-winding transformer.

The primary and secondary coil are wound separately to protect the secondary

load.

Contact An input used when creating a sequence program.

Coil An output used when creating a sequence program.

Device A location to store data such as ON/OFF, numeric values, and character

strings in the programmable controller.

Internal relay Breaks/connects the sequence circuit by switching ON/OFF.

Sequence program A program to perform sequence control.

Project Indicates a GX Developer project in this Quick start guide.

Consists of programs, device comments, and parameters.

Parameter Setup information necessary to operate the programmable controller system.

Modules and the network are set by writing parameters to the CPU module.

PLC parameter Setup information for modules, devices, and programs used in the

programmable controller system.

Step number Numbers attached in order from the start of instruction in the sequence

program.

Logical operations

One of the basic operation methods in programming.

Logical operations consist of three basic operations: logical AND, logical OR,

and logical NOT.

Debug An operation in which programmers search for and correct bugs in the

sequence program.

Introduction

This Quick start guide explains the basic procedures for the first-time use of the Mitsubishi

programmable controller MELSEC-Q series CPU module (CPU module).

You can easily understand how to use the programmable controller with this manual.

Reference

Precautions

Read "SAFETY PRECAUTIONS" in the QCPU User's Manual carefully and use the

programmable controllers safely.

Types of CPU modules

This Quick start guide explains the usage examples for Universal model QCPU. For the

usage of other CPU modules, refer to the following manuals and be aware of the

differences.

QCPU User's Manual (Hardware Design, Maintenance and Inspection):

SH-080483ENG

Qn(H)/QnPH/QnPRHCPU User's Manual (Function Explanation, Program

Fundamentals): SH-080808ENG

QnUCPU User's Manual (Function Explanation, Program Fundamentals):

SH-080807ENG

QCPU Programming Manual (Common Instructions): SH-080809

QnACPU Programming Manual (Common Instructions): SH-080

810

Caution

This Quick start guide explains operations in the programmable controller system described

in "2System Configuration" (P.9).

Read the manuals referred in the following page when you design or manage the system.

Introduction of related manuals (P.6)

Quick start guide

Mounting and wiring modules

Checking operations

Creating programs

100VAC

24VDC

(Y10)

(Y1B)

(Y1F)

X1X0

Programmable controllers

The programmable controllers perform sequence control and logical operations by switching the

output of output equipment ON/OFF according to the command signal from the input equipment.

Other equipment is shown below.

Power Power

Push-button switch

Input module

Operation

Output interface

Memory

CPU module Output module

Data

Program

Personal computer

Creating and

debugging programs

Input interface

QX40

24VDC

4mA

QY40P

24VDC

0 . 1A

12VDC

Limit switch Input relay Switch

Contactor Solenoid valve

Programmable controller usage example

This example shows the programmable controller system in a beverage plant.

The following explains the procedure for putting bottles in a case.

1When the switch is turned ON, the "IN OPERATION" lamp is lit, and the conveyor is set in

operation.

2When the conveyor brings a bottle case to a particular position, the sensor senses it.

3When the bottle case is sensed, the stopper operates to stop it.

4The lifter goes up, the arm moves forward, and the lifter goes down to put bottles in the case.

5One is added to the value in the product counter.

6When the CPU module concludes that the above procedure is completed, the stopper goes down

to let the cases flow.

Repeat procedures 2to 6.

IN OPERATION

Beverage plant

CONTROL

START

STOP

COUNTER

Lifter 4

Arm

Lamp

Conveyor 2

Sensor

CPU module

Product

counter

Start switch

Stopper

Introduction of related manuals

This Quick start guide explains the basic procedures for introducing programmable controllers.

Read the following manuals to use each module with a full understanding according to your purpose.

Learning about programmable controllers

Learning about programming

Learning about programming tools (software)

QCPU User's Manual (Hardware Design, Maintenance and Inspection) . . . . .SH-080483ENG

This manual explains specifications, settings, and maintenance methods for the CPU

module, the power supply module, and the base unit.

Qn(H)/QnPH/QnPRHCPU User's Manual (Function Explanation, Program Fundamentals)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SH-080808ENG

QnUCPU User's Manual (Function Explanation, Program Fundamentals). . . .SH-080807ENG

This manual explains the functions of the CPU modules, and about devices and parameters

that are the basic knowledge necessary for programming.

I/O Module Type Building Block User's Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . .SH-080042

This manual explains specifications and functions for the input module and the output

module.

QCPU Programming Manual (Common Instructions) . . . . . . . . . . . . . . . . . . . . . . . .SH-080809

QnACPU Programming Manual (Common Instructions). . . . . . . . . . . . . . . . . . . . . SH-080810

This manual explains the instructions used in programming.

GX Developer Version 8 Operating Manual (Startup) . . . . . . . . . . . . . . . . . . . . . SH-080372E

This manual explains the installation method for GX Developer Version 8.

GX Developer Version 8 Operating Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SH-080373E

This manual explains operation methods including program creation, parameter setting,

writing/reading programs, and debugging.

Using programmable controllers

The programmable controllers are installed with procedures as shown below.

1Preparing for Operation (P.8)

Preparing the necessary equipment.

2System Configuration (P.9)

Introducing equipment used for operations in this Quick start guide.

3Mounting Modules (P.10)

Mounting the CPU module and other modules on the base unit.

4Wiring Modules (P.11)

Wiring the power supply module, the CPU module, and the I/O modules.

5Checking Power Supply (P.13)

Turning ON the system to check the condition of the CPU module.

6Programming (P.14)

Creating a program with GX Developer.

7Writing Programs (P.21)

Writing a program created with GX Developer to the CPU module.

8Checking Operation (P.25)

Executing the program by running the CPU module. Checking that ON/OFF

inputs correspond to ON/OFF outputs.

1Preparing for Operation

Preparing the necessary equipment

* GX Developer Version 8 needs to be installed in your personal computer in advance.

Reference

GX Developer, the design and maintenance tool for Mitsubishi programmable controller, is

necessary to set up programmable controllers and create sequence programs.

For the installation and operation of GX Developer, refer to the following manuals.

GX Developer Version 8 Operating Manual (Startup): SH-080372E

GX Developer Version 8 Operating Manual: SH-080373E

Compatible GX Developer version

The CPU module used and its functions differ in each version of GX Developer.

For the compatible GX Developer version, refer to the following manual.

QCPU User's Manual (Hardware Design, Maintenance and Inspection):

SH-080483ENG

Lamp 6

Switch

Programmable controller

Personal computer 3

GX Developer

USB cable

Explanations for each

module are on the next

page Windows-based PC

Version8

USB mini B type

Install *

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