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Mitsubishi A Series A55B-UL

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A55B-UL

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The A55B-UL is a 5-slot base unit module by Mitsubishi, designed for use with MELSEC-A series PLCs. It enhances I/O capabilities, offering scalability and flexibility. With high noise immunity and acceptance of 100-240V AC input power, it is ideal for rugged industrial environments. Compact, lightweight (120 x 120 x 60 mm, 0.3 kg), and UL-listed, it ensures reliable and safe performance. Suitable for various applications, it forms the core of Mitsubishi's modular PLC system.

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Technical specifications for A55B-UL

ManufacturerMitsubishi
Product TypeBase unit
Product LineA Series
Part NumberA55B-UL
Weight3.06 lbs (1.39 kg)
SeriesMELSEC-A
I/O Modules5 slots
Input Power100-240V AC
Noise ImmunityHigh
Ambient Temperature14 to 131°F (-10 to 55°C)
BackplaneBuilt-in
CompatibilityMELSEC-A PLCs

The A55B-UL represents a pivotal component in the Mitsubishi Electric MELSEC-A series of programmable logic controllers (PLCs), a sophisticated and modular system designed for versatile industrial automation. This PLC series is structured around a modular architecture, comprising key elements like a base unit, a power supply, a central processing unit (CPU), and various input/output (I/O) modules, all meticulously designed to cater to the specific needs of diverse applications. This system's strength lies in its scalability, which empowers users to customize their automation setup with utmost precision. The 5-slot base unit, the A55B-UL, serves as the central hub, accommodating a range of I/O modules that grant flexibility in both the number and types of inputs and outputs. This adaptability ensures that the MELSEC-A series aligns seamlessly with an extensive array of industrial scenarios. Integration with Mitsubishi Electric's human-machine interface (HMI) products enhances the PLC system's capabilities by providing comprehensive control and visualization. This synergy allows for efficient monitoring, diagnostics, and operator interaction, all vital components of any advanced automation framework. The MELSEC-A series PLCs have found widespread application across diverse industries, including manufacturing, process control, energy management, building automation, and machine control. These PLCs, suited for both small-scale setups and large industrial systems, are renowned for their ruggedness and reliability, excelling even in demanding industrial environments and challenging operating conditions. The A55B-UL, as an integral component of this product line, augments the I/O capabilities of the MELSEC-A PLC, extending its functionality across various applications. It boasts attributes such as high noise immunity, compact design, cost-effectiveness, durability, and user-friendly installation, making it an invaluable asset in diverse industrial scenarios. In terms of technical specifications, the A55B-UL accepts input power ranging from 100-240V AC, ensuring compatibility with various power sources. It exhibits high noise immunity, a crucial feature in noisy industrial settings, and maintains compact dimensions of 120 x 120 x 60 mm with a weight of 0.3 kg. The device can operate efficiently within an ambient temperature range of 14 to 131 degrees Fahrenheit (-10 to 55 degrees Celsius) and holds UL listing approval, ensuring its adherence to rigorous safety and quality standards. Furthermore, it incorporates a built-in backplane, streamlining installation and optimizing system performance.