Mitsubishi MELSEC A1S62P User Manual

Bit device output reverse (CHK)
Y10 OFF
Output reverse command
Required device number
Dummy data
Step Number
0
1
The CHK instruction has two functions, one which operates when the CPU is in refresh
mode (default), and the other when the
CPU is in direct mode. When the CPU is in
refresh mode the specified device (DI), has its output status reversed when the
operation result from the preceding devices turns from OFF to
ON. Dummy data needs
to be input for (D2), however the status of the device specified by (D2) is unchanged
and can be used freely throughout the sequence program. When the CPU is in direct
mode the CHK instruction carries out a 'failure check'. This function is classified as an
application instruction and is described in the relevant section
of the programming
manual.
An example of the CHK instruction is shown below
Instruction Device
LD
XI
CHK Y10 DO
ON
X5 OFF
113

Mitsubishi MELSEC A1S62P Specifications

General

Category	Controller
Series	MELSEC A
Model	A1S62P
Input Voltage	AC 100-240V
Input Frequency	50/60 Hz
Input Type	Digital
Output Type	Relay
Communication Interface	RS-232
Mounting	DIN rail
Operating Temperature	0 to 55 °C
Type	Programmable Logic Controller (PLC)
Output Current	0.5A
Power Supply	100-240V AC
Storage Temperature	-25°C to 75°C
Humidity	5% to 95% (non-condensing)

Summary

Chapter 1: Overview of the A1S PLC

What is the A1S?

Introduction to the Mitsubishi A1S PLC as a low-cost, high-performance controller.

How Does It Work?

Explanation of the sequential control program execution and CPU module operation.

Chapter 2: A1S Module Descriptions

Central processing unit (CPU Module)

Details the CPU module, its functions, and specifications.

CPU Base Units

Describes CPU base units for mounting CPU, power supply, and I/O modules.

Special function modules

Explains intelligent I/O modules for specific applications like control, linking, and networking.

Power supply modules

Explains power supply modules providing 5 VDC for CPU and I/O modules.

Input modules

Describes input modules for interfacing with external input devices.

Model No. A1SX10

Details the A1SX10 input module with 16 x 110 VAC inputs and terminal block wiring.

Model No. A1SX20

Details the A1SX20 input module with 16 x 240 VAC inputs and terminal block wiring.

Model No. A1SX30

Details the A1SX30 input module with 16 x 24 VAC/VDC inputs and terminal block wiring.

Model No. A1SX40

Model No. A1SX40-S1

Model No. A1SX40-S2

Model No. A1SX41

Model No. A1SX41-S2

Model No. A1SX42

Model No. A1SX42-S2

Model No. A1SX71

Model No. A1SX80

Model No. A1SX80-S1

Model No. A1SX80-S2

Model No. A1SX81

Model No. A1SX81-S2

Output modules

Describes output modules for interfacing with external output devices.

Model No. A1SY10

Model No. A1SY18A

Model No. A1SY22

Model No. A1SY28A

Model No. A1SY40

Model No. A1SY41

Model No. A1SY42

Model No. A1SY50

Model No. A1SY60

Model No. A1SY60E

Model No. A1SY68A

Model No. A1SY71

Model No. A1SY80

Model No. A1SY81

Special function modules

Explains intelligent I/O modules for specific applications like control, linking, and networking.

Model No. A1S64AD

Model No. A1S62DA

Model No. A1SJ71C24-R2

Model No. A1SJ71C24-R4

Model No. A1SJ71C24-PRF

Model No. A1SD61

Model No. A1SJ71T21B

Model No. A1SD70

Model No. A1SP60

Model No. A1S42X

Chapter 3: System Selection and Configuration

System selection

Guide to selecting the appropriate AIS PLC system components based on application needs.

Step 1: Input module selection

A flowchart to help select the correct input module based on specifications.

Step 2: Output module selection

A flowchart to help select the correct output module based on specifications.

Step 3: Special function module selection

A flowchart to guide the selection of special function modules based on application requirements.

Step 4: Power supply module selection

A flowchart for selecting the appropriate power supply module based on voltage and output needs.

Step 5: Base unit selection

A flowchart for selecting the base unit based on the number of required I/O slots.

System configuration

Instructions on configuring the system and assigning I/O numbers to selected modules.

Chapter 4: Installation

Base unit mounting instructions

Provides guidelines for mounting CPU and extension base units, including clearance.

Mounting the base units on DIN rail

Installation and removal of AIS modules

Explains how to install and remove AIS modules from the base unit.

Removing a module from the base unit

Step-by-step guide for removing a module from the base unit.

Chapter 5: Wiring

Wiring instructions for the power supply module

Provides wiring guidelines for power supply modules, including transformer usage.

Wiring of I/O equipment

Wiring instructions for equipment connected to input and output modules.

Grounding

Guidelines for proper grounding of the PLC system.

Chapter 6: Programming

Description of internal devices

Explains internal devices used in sequence programs like relays, timers, and counters.

Inputs X

Outputs Y

Programming language

Instructions

Classifies and introduces instructions into three groups: sequence, basic, application.

List of sequence instructions

Contact instructions

Operation result push, read, pop (MPS, MRD, MPP)

Output instructions

Explains output instructions like OUT for bit devices, timers, and counters.

Bit device set, reset (SET, RST)

Explains SET and RST instructions for controlling bit devices.

Edge-triggered differential output (PLS, PLF)

Explains PLS and PLF instructions for pulse output generation.

Master control instructions

Explains master control instructions MC and MCR for circuit switching.

Basic instruction descriptions

Introduces basic instructions for handling numeric data.

Comparison operation instructions

Explains instructions for numerical magnitude comparisons.

Arithmetic operation instructions

Explains instructions for performing addition, subtraction, multiplication, division.

BCD/BIN conversion instructions

Data transfer instructions

Explains instructions for data transfer and interchange.

Application instruction descriptions

Classifies and introduces application instructions for special processing.

Logical operation instructions

Shift instructions