0-51487-9A RELIANCE

Reliance 0-51487-9A Basis unit

Brand：RELIANCE Model number：0-51487-9A

Country of origin: United States Product weight：0.55kg

HS code：9032899099

Product Details：

Product Dimensions：

A Reliance Basis Unit would typically refer to the foundational chassis or main control unit in a modular automation system, such as those found in the legacy Reliance Electric AutoMate PLC series. This unit serves as the physical and electrical backbone for the entire control system, allowing various other modules (like I/O, communication, and specialized function modules) to be plugged in and communicate with the central processor.

Functionality: The Basis Unit houses the system's central processing unit (CPU), which executes the control program. It provides the power supply connections and the high-speed communication backplane that allows the CPU to interact with all connected I/O and other modules. It's the physical structure that brings the entire control system together.
Types:

PLC Chassis/Rack: This is the most common interpretation. It's a physical enclosure with slots where the processor module, power supply module, and various I/O and communication modules are inserted. Different sizes (e.g., 4-slot, 8-slot, 12-slot) would be available depending on the required system capacity.
Compact Controller Base: In some smaller, integrated controllers, the "Basis Unit" might refer to the all-in-one base unit that contains the CPU and a fixed amount of integrated I/O, with limited expansion slots.

Key Features:

Modular Design: Allows for flexible system configuration and easy expansion or replacement of individual modules without disturbing the entire setup.
Backplane Bus: A high-speed internal communication bus that enables seamless data exchange between the CPU and I/O modules.
Power Distribution: Provides regulated power from the power supply module to all installed modules.
Mounting: Designed for secure mounting in industrial control cabinets, typically DIN rail or panel mounting.
Robust Construction: Built to withstand industrial environments, including vibration, shock, and temperature variations.

Product Parameters

Parameters for a "Basis Unit" would focus on its physical and electrical infrastructure:

Number of Slots: (For rack-based systems) e.g., 4, 8, 12, 16 slots, determining the maximum number of modules it can host.
Backplane Speed: The data transfer rate of the internal bus, impacting system performance.
Power Supply Requirements: Voltage and current ratings for the system's power supply module that plugs into the basis unit.
Dimensions: Physical size of the unit, crucial for panel layout and space planning.
Weight: Overall weight when fully populated with modules.
Operating Temperature Range: Industrial standard, typically -25°C to 70°C.
Environmental Protection: Often rated for IP (Ingress Protection) levels for dust and moisture resistance.
Mounting Options: Specifies whether it's DIN rail mountable, panel mountable, or both.

Product Advantages

Scalability: Allows users to build control systems precisely to their needs and easily expand by adding more modules to available slots, or by adding additional basis units in a networked configuration.
Flexibility: Supports a wide variety of I/O, communication, and special function modules, enabling diverse automation solutions.
Maintainability: Individual modules can be hot-swapped (in some systems) or easily replaced, simplifying maintenance and reducing downtime.
Durability: As part of Reliance Electric's industrial automation heritage, these units are built for robust performance in harsh industrial environments.
Centralized Integration: Provides a single, organized platform for all control system components, simplifying wiring and troubleshooting.

Important Considerations

System Compatibility: Ensure the Basis Unit is compatible with the specific processor module, I/O modules, and power supply module you intend to use. Reliance systems typically require modules from the same product family.
Obsolescence: As a legacy product line (now under ABB/Baldor), finding new Reliance Electric Basis Units can be challenging. Plan for spare parts, consider refurbishment options, or prepare for system upgrades to newer platforms.
Power Budget: Carefully calculate the total power consumption of all modules to ensure the chosen power supply module and the Basis Unit's power distribution capabilities are sufficient.
Mounting and Ventilation: Ensure proper mounting within the control panel and adequate ventilation to prevent overheating, especially in high-density configurations.
Grounding and Noise Reduction: Proper grounding of the Basis Unit and shielding of cables are crucial for minimizing electrical noise and ensuring reliable operation in industrial settings.

Product Applications

Reliance Basis Units would be found in applications requiring a modular and expandable control system, often alongside other Reliance Electric PLC or drive components:

Discrete Manufacturing:

Control of assembly lines, conveyors, and packaging machinery.
Automation of stamping presses, robotic cells, and machine tools.

Process Control:

Managing batch processes in industries like food and beverage, pharmaceuticals, and specialty chemicals.
Control of pumps, valves, and mixers in water and wastewater treatment plants.

Material Handling:

Automating large-scale warehousing systems, automated storage and retrieval systems (AS/RS), and sortation systems.

Infrastructure:

Control systems for utilities, such as power distribution substations (for local control aspects).

Heavy Industry:

Applications in metals, mining, and paper industries, where robust and reliable control is paramount.

LF200460AAR RELIANCE

We have the same series of models in stock. If you don't find the model you need, please contact us and we will provide you with an official quotation！