A1SJHCPU

Overview of Mitsubishi A1SJHCPU

The Mitsubishi A1SJHCPU is a high-performance small programmable logic controller (PLC) CPU unit, part of the MELSEC-AnS/QnAS series, known for its reliability and advanced control capabilities. It offers a built-in power supply, fast processing speeds, and supports various programming languages including ladder logic and MELSAP-II symbolic programming. The CPU features a program capacity of up to 8K steps and supports up to 256 I/O points, designed for efficient and flexible control of industrial automation processes. This model also includes watchdog timers, self-diagnostic functions, and a real-time clock with automatic leap year recognition for enhanced operational reliability.

Key Features of Mitsubishi - A1SJHCPU

• Program Capacity: 8K steps with built-in memory of 64 KB RAM.
• I/O Capacity: Supports up to 256 I/O points, expandable with I/O modules.
• Instruction Set: Provides 26 sequence, 131 basic, 106 application, and 8 CC-Link dedicated instructions.
• Processing Speed: Sequential instruction execution speed from 0.33 to 2.3 µs per step.
• Watchdog Timer: Adjustable from 10 ms to 2000 ms to ensure safe operation.
• Self-Diagnostics: Monitors watchdog errors, memory, CPU, I/O errors, and battery status.
• Real-Time Clock: Clock with year, month, day, hour, minute, second, and automatic leap year correction.
• Power Supply: Built-in 5 V DC output with current consumption of 0.3 A.
• Safety Standards: UL/cUL certified for industrial safety compliance.
• Weight: Approximately 1.0 kg for easy installation in control panels.

Technical Specs of A1SJHCPU

Applications / Use Case of Mitsubishi A1SJHCPU

The Mitsubishi A1SJHCPU is ideal for use in compact, high-functionality automation control systems requiring reliable processing speed and flexible programming. It serves well in manufacturing lines, machine tools, and process control where advanced control and communication are required with moderate I/O point need.