AOJ2-E24R MITSUBISHI

AOJ2-E24R MITSUBISHI Basis unit

Product  Description：

The Mitsubishi MELSEC series Base Unit serves as the essential hardware foundation for a Programmable Logic Controller (PLC) system. Often referred to as the backplane or rack, its primary function is to provide the physical mounting points and the electrical interconnections for various components, including the Power Supply module, the CPU module, and various Input/Output (I/O) or special function modules.

The base unit contains a high-speed printed circuit board that facilitates data communication between the CPU and the peripheral modules via a dedicated internal bus. This architecture allows for a modular approach to automation, where users can customize the controller's capabilities by simply inserting the required modules into the available slots.

Product Parameters

The technical specifications of a Mitsubishi Base Unit typically vary depending on the specific series, such as the MELSEC iQ-R, Q, or L series. However, the standard parameters include the following.

• Number of Slots: Available in configurations ranging from 2, 3, 5, 8, up to 12 slots for modules.

• Internal Current Consumption: Specified in Amperes, indicating how much power the base unit itself draws from the power supply to maintain the communication bus.

• Mounting Method: Standard support for DIN rail mounting or direct screw mounting to a control panel.

• Extension Capability: Capability to connect to extension base units via specialized extension cables to increase the total number of controllable I/O points.

• Environmental Resistance: Rated for specific operating temperatures, typically between 0 and 55 degrees Celsius, and specific vibration resistance standards.

• Dimensions: Defined width, height, and depth measurements that vary based on the number of slots provided.

Product Advantages

High Speed Bus Communication: The base units are designed with high-speed data transmission capabilities, ensuring that the CPU can process I/O data and functional module information with minimal latency.

Modular Scalability: The system allows for easy expansion. If a project requires more sensors or actuators, a larger base unit or an extension unit can be integrated without redesigning the entire control architecture.

Robust Durability: Mitsubishi base units are engineered for industrial environments, featuring high noise immunity and vibration resistance to ensure long-term operational stability.

Simplified Maintenance: Since modules are mounted onto the base unit, replacing a faulty module is a straightforward process that does not require rewiring the entire system, significantly reducing downtime.

Integrated Grounding: The base unit structure includes a functional ground terminal and conductive mounting points to simplify the management of electromagnetic interference.

Precautions

Power Supply Capacity Calculation: Before installation, users must calculate the total current consumption of all modules plugged into the base unit to ensure the Power Supply module can provide sufficient current.

Slot Sequence: In many Mitsubishi series, the Power Supply module and CPU module must occupy specific slots, usually the leftmost positions, to function correctly.

Installation Environment: The unit should be installed in a clean, dry environment. Accumulation of conductive dust or exposure to corrosive gases can lead to short circuits or bus communication errors.

Static Electricity Protection: When handling or installing modules into the base unit, operators should discharge static electricity from their bodies to avoid damaging the sensitive electronic components on the backplane.

Cable Management: When using extension base units, the total length of the extension cables must stay within the manufacturer's specified limits to prevent signal degradation on the data bus.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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