A0J2E-E56DT MITSUBISHI

A0J2E-E56DT MITSUBISHI Power Supply

Brand：MITSUBISHI Model number：A0J2E-E56DT

Country of origin: Japan Product weight：0.55kg

HS code：8517623990

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Product Details：

Product Dimensions：

The Mitsubishi A0J2E-E56DT is an Input/Output (I/O) local unit module belonging to the legacy MELSEC-A series of Programmable Logic Controllers (PLCs). This module is a mixed I/O module that combines both digital input and digital output functionality within a single unit. It is designed to expand the I/O capacity of a MELSEC-A series PLC system.

Product Specifications

Product Type: Mixed Digital Input/Output Module
Series: MELSEC-A series (A0J2E)
Digital Input Points: 32 points
Digital Input Type: DC input
Input Voltage/Current Rating: DC12V/24V, typically $3 \text{ mA}$ or $7 \text{ mA}$
Input Response Time: Typically $6 \text{ ms}$ or $1 \text{ ms}$ (selectable or depending on configuration)
Input Common Type: Negative common type
Digital Output Points: 24 points
Digital Output Type: Transistor output (Source type)
Output Voltage/Current Rating: DC12V/24V, $0.5 \text{ A}$ to $0.8 \text{ A}$ per point
Output Response Time: Typically $2 \text{ ms}$
External Connection: Utilizes a 36-point terminal block for external wiring connection.

Product Advantages

Space Efficiency: As a mixed I/O module, the A0J2E-E56DT provides a high density of both input and output points (56 total points) in a single module slot, conserving valuable space within the control panel.
Integrated Solution: Combining inputs and outputs simplifies inventory management and system design compared to using separate dedicated modules.
Transistor Output Speed: The transistor output type offers a fast response time ( $2 \text{ ms}$ ), making it suitable for controlling devices that require quick switching, such as solenoids or high-speed actuators.
Industrial Durability: Designed as part of the robust MELSEC-A series, the module is built for reliable operation in challenging industrial environments.

Important Considerations (Precautions)

Discontinued Status: The A0J2E-E56DT is a discontinued product in the MELSEC-A series. Users should be aware of potential difficulties in sourcing new units and the limited future availability of manufacturer support and replacement parts. New installations should strongly consider migrating to modern Mitsubishi PLC platforms (e.g., MELSEC-Q or MELSEC-iQ-R).
Wiring Verification: Carefully check the rated voltage, terminal layout, and common type (negative common input, source type transistor output) before wiring. Incorrect voltage or wiring can lead to module failure, fire, or malfunction.
Overcurrent Protection: The output current rating of $0.5 \text{ A}$ to $0.8 \text{ A}$ per point must not be exceeded. Use external safety circuits and fuses to protect against overcurrent conditions and ensure system safety.
Terminal Tightening: Tighten all terminal screws within the specified torque range. Under-tightening can cause poor contact or short circuits, while over-tightening can damage the screw or the module itself.
Environmental Installation: The module must be installed in a proper control panel or enclosure to protect it from foreign matter like dust, wire chips, and excessive moisture, which could cause malfunction.

Product Applications

The A0J2E-E56DT is primarily used in the automation of industrial machinery and small-scale process control systems that utilize the Mitsubishi MELSEC-A series PLC platform.

Factory Automation: Controlling and monitoring the status of machine elements such as limit switches, pushbuttons, indicator lamps, small solenoids, and contactors in assembly machines, conveyors, and transfer lines.
Discrete Manufacturing: Used in systems requiring the collection of numerous discrete signals (inputs) and the high-speed switching of output devices (transistor outputs) for precise machine control.
Packaging Machines: Interfacing with sensors for position detection and control of motors and valves during high-speed packaging operations.
General Machine Control: Providing the core digital interface between the PLC logic and the field devices in any application leveraging the capabilities of the MELSEC-A controller.

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