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Home > Electrical & Electronics > Electrical Control System > Allen-Bradley 1746-BAS SLC 500 SLC BASIC Module

Allen-Bradley 1746-BAS SLC 500 SLC BASIC Module

Allen-Bradley 1746-BAS SLC 500 SLC BASIC Module photo-1

Allen-Bradley 1746-BAS SLC 500 SLC BASIC Module photo-2

Negotiable MOQ: 1 Unit (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, Global universal model

Condition:

Other, Global universal model

Task:

Other, Global universal model

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Guizhou Yuanmiao Automation Equipment Co., Ltd.

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Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
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Material Other, Global universal model

Condition Other, Global universal model

Task Other, Global universal model

Mathematical Model Other, Global universal model

Signal Other, Global universal model

Customized Non-Customized

Structure Other, Global universal model

Operating temperature 0°C - 60°C

Humidity 5% - 95% (non - condensing)

Output voltage 24V DC

Storage temperature -40°C - 85°C

I. Product Overview

Rockwell Automation 1746 - BAS is a basic power supply module in the SLC 500 series and an important part of the control system of this series. In the field of industrial automation, it mainly provides stable and reliable DC power for the racks of the SLC 500 series and various I/O modules, communication modules, etc. installed on the racks, ensuring that the entire control system can operate continuously and stably. It is widely used in small and medium-sized industrial control scenarios such as production line control in manufacturing, mechanical equipment control, and warehousing and logistics automation, providing a solid power guarantee for the normal operation of the system.

II. Functional Features

Stable power supply capacity: It can convert external AC power into the DC power required by the SLC 500 series modules, providing continuous and stable power support for each module on the rack. In the case of unstable power grids such as voltage fluctuations, it has a certain voltage stabilization capability, reducing the impact of power fluctuations on the control system and ensuring the normal operation of the modules.

Efficient power conversion: It adopts efficient power conversion technology. In the process of converting AC power to DC power, the energy loss is low, which improves the utilization rate of electric energy, reduces the operating cost of the system, and also reduces equipment loss caused by heat generation.

Reliable protection mechanism: It has a variety of built-in protection functions, such as overcurrent protection, overvoltage protection and short-circuit protection. When abnormal situations such as excessive current, excessive voltage or circuit short circuit occur, it can respond quickly, cut off the power output or limit the current, prevent other modules on the rack from being damaged due to power problems, and improve the safety and reliability of the entire control system.

Convenient installation and connection: The design conforms to the standard installation size of the SLC 500 series, and can be easily installed on the rack of the SLC 500 series to work with other modules. The power input and output interfaces adopt a standardized design, and the connection method is simple and intuitive, which is convenient for on-site installation and maintenance, and reduces the operation difficulty of installers.

Good compatibility: As a supporting power module of the SLC 500 series, it has excellent compatibility with various racks and modules of this series, and can perfectly adapt to the 1746 series racks, etc., without additional adaptation equipment, ensuring the seamless integration of the power system and the control system.

III. Technical Parameters

Input parameters:
Input voltage: Usually supports AC 120V/240V, which can be switched according to the on-site power supply situation to adapt to the power grid voltage standards in different regions.
Input frequency: 50/60Hz, compatible with AC power supplies of different frequencies, improving the applicability of the product in different power environments.

Output parameters:
Output voltage: Provides two DC outputs of 5V DC and 24V DC. Among them, 5V DC mainly supplies power to the backplane bus of the rack and some logic circuits, and 24V DC provides working power for I/O modules, etc.
Output current: The 5V DC output current is generally 4A, and the 24V DC output current is usually 1.5A, which can meet the power demand of each module of the SLC 500 series small and medium-sized control systems.

Physical parameters:
Dimensions: The length is about 160mm, the width is about 100mm, and the height is about 150mm (the specific dimensions may vary slightly depending on the measurement method). The small size makes it well adapt to the installation space of the SLC 500 series racks.
Weight: About 0.8kg, light in weight, easy to install and carry.

Environmental parameters:
Operating temperature: The range is 0°C - 60°C, which can operate stably in the common temperature environment of industrial sites and adapt to temperature changes in different seasons and regions.
Relative humidity: 5% - 95% (non-condensing), with certain moisture-proof performance, can work normally in humid industrial environments, such as food processing workshops, humid storage environments, etc.
Storage temperature: -40°C - 85°C, convenient for transportation and storage under different climatic conditions.

IV. Working Principle

Power input and conversion: After 1746 - BAS is connected to an external AC power supply (120V/240V, 50/60Hz), it first converts AC power to DC power through an internal rectifier circuit. The rectified DC power is filtered by a filter circuit to remove ripples and noise in the current, resulting in a relatively stable DC voltage.

Voltage regulation and adjustment: The filtered DC voltage enters the voltage stabilizing circuit. The voltage stabilizing circuit performs precise adjustment according to the set output voltage (5V DC and 24V DC) to ensure the stability of the output voltage. Even if the input voltage fluctuates, the voltage stabilizing circuit can respond quickly. By adjusting internal circuit parameters, the output voltage is kept within the specified range to provide stable power for subsequent modules.

Power distribution: The 5V DC and 24V DC power supplies after voltage regulation are transmitted to the backplane bus of the SLC 500 series racks through dedicated output interfaces. The rack then distributes these powers to I/O modules, communication modules, etc. installed in each slot to provide power support for their normal work.

Operation of protection mechanism: During power conversion and distribution, the protection circuit monitors output current, voltage and other parameters in real time. When overcurrent, overvoltage, short circuit or other abnormal conditions are detected, the protection circuit starts immediately. It protects the power module itself and other modules connected to the rack from damage by cutting off the power output or limiting the current. When the abnormal situation is eliminated, the power module can return to normal working state to ensure the continuous operation of the control system.

Product Tags: 1746-BAS