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Mitsubishi MELSEC-A A1SHCPU User Manual

Mitsubishi MELSEC-A A1SHCPU
160 pages
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Mitsubishi Programmable Controller
User's Manual
(Hardware)
Thank you for purchasing the Mitsubishi programmable controller
MELSEC-A series.
© 1994 MITSUBISHI ELECTRIC CORPORATION
Type A1SCPUC24-R2/A1SHCPU/
A2SHCPU(S1)/A2ASCPU(S1/S30)/
A2USHCPU-S1
Prior to use, please read both this and relevant manuals thoroughly
to fully understand the product.
MODEL
A1S/A2S/A2ASCPU
(H/W)-U-E
MODEL
CODE
13JE59
IB(NA)-66468-R(1112)MEE

Table of Contents

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Mitsubishi MELSEC-A A1SHCPU Specifications

General IconGeneral
TypeProgrammable Logic Controller (PLC)
ModelA1SHCPU
Program Capacity14K steps
I/O Points256 points
Operating Temperature0 to 55°C
Basic Instruction Execution Time0.2 μs
Memory TypeRAM
Built-in Communication PortsRS-232
Power Supply24V DC
Storage Temperature-25°C to 75°C
Humidity5 to 95% RH (non-condensing)
Vibration Resistance10 to 57 Hz

Summary

SAFETY PRECAUTIONS

DESIGN PRECAUTIONS

Precautions related to the design of the system and circuits for safe operation.

INSTALLATION PRECAUTIONS

Precautions to be observed during the installation process to ensure safety.

WIRING PRECAUTIONS

Precautions related to electrical wiring and connections for safe operation.

STARTUP AND MAINTENANCE PRECAUTIONS

Precautions for initial startup and ongoing maintenance procedures.

CONDITIONS OF USE FOR THE PRODUCT

PERFORMANCE SPECIFICATIONS

POWER SUPPLY MODULE PRECAUTIONS

Specific Power Supply Module Precautions

Safety and operational guidelines for various power supply modules.

LOADING AND INSTALLATION

Module Installation Notes

Notes and torque specifications for installing various modules.

FAIL-SAFE CIRCUIT CONCEPT

System Design Circuit Examples

Examples of system designs illustrating fail-safe circuit implementation.

Power Switching Procedures

Step-by-step procedures for switching on the power supply in AC and AC/DC systems.

Controller Failure Fail-Safe Measures

Measures to prevent system failure and accidents due to controller malfunctions.

WIRING GUIDELINES

Power and I/O Cable Wiring Instructions

Instructions for wiring power supply cables and I/O cables correctly.

UPS CONNECTION PRECAUTIONS

CPU MODULE PART NAMES AND FUNCTIONS

Self-Loopback Test Procedure

Diagnostic procedure for verifying the A1SCPUC24-R2 communication.

I/O MODULE SPECIFICATIONS AND CONNECTIONS

Input Module Specifications

Specifications for various input modules, including voltage, current, and response time.

Input Module Connection Diagrams

Wiring diagrams for connecting different types of input modules.

ERROR CODES AND TROUBLESHOOTING

How to Read Error Codes

Guide on how to read and interpret error codes reported by the system.

Error Code List for A1SCPUC24-R2

List of error messages, codes, causes, and corrective actions for A1SCPUC24-R2.

Error Code List for A1SHCPU and A2SHCPU

List of error messages, codes, causes, and corrective actions for A1SHCPU/A2SHCPU.

Error Code List for A2ASCPU/A2USHCPU-S1

List of error messages, codes, causes, and corrective actions for A2ASCPU/A2USHCPU-S1.

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