Description

Allen-Bradley 1756-A7 is a product of ALLEN-BRADLEY brand under Rockwell Automation.It is a compact 7-slot chassis for ControlLogix system.The following is a detailed analysis of Allen-Bradley 1756-A7:

1.Product Overview

The Allen-Bradley 1756-A7 chassis is designed for ControlLogix system.With its small size and compact structure,it is one of the smallest ControlLogix chassis available.It provides backplane connection,allowing users to install various modules in the provided module insertion slots to build a complete ControlLogix control system.

Allen-Bradley 1756-A7

2.Product Features

Compact structure:The top and bottom of the 1756-A7 chassis are each equipped with 2 mounting tabs to facilitate the installation and fixing of the chassis.At the same time,it also supports the installation or non-installation of 2 SEM screws,which can be flexibly adjusted according to the installation requirements.

Open design:The chassis has no shell for protection and adopts an open design,which is convenient for users to install and maintain modules.

Power supply slot:The leftmost side of the chassis is equipped with a mounting slot for the power supply,which supports the installation of ultra-thin,standard and power modules.

Multiple grounding methods:The chassis is equipped with functional grounding and protective grounding terminals to ensure safe and stable operation of the system.

III.Technical specifications

Physical dimensions:50.8 x 60.9 x 20.3 cm(20 x 24 x 8 inches),and the weight is approximately 1.10 kg(2.4 pounds).Depending on the type of power supply used,the overall dimensions may vary.

Operating temperature:The measured operating temperature range is 0 to 60 degrees Celsius(32 to 140 degrees Fahrenheit),and the recommended storage temperature range is-40 to 85 degrees Celsius.

Compatible humidity:Non-condensing compatible humidity type,the chassis can use a relative humidity level of 5%to 95%.

Backplane current:Provides a variety of backplane current supplies,such as 1.5 A 1.2 VDC,4A 3.3 VDC,etc.,to meet the needs of different modules.

Power consumption and heat dissipation:The chassis has a power consumption of 4.5 watts,an operating heat dissipation rate of 6.1 BTU per hour,and a maximum operating power rating of 1.8 watts.

Allen-Bradley 1756-A7

IV.Application scenarios

The Allen-Bradley 1756-A7 chassis is suitable for small and medium-sized industrial automation control systems,especially in application scenarios with limited space.Its highly integrated design and rich communication functions enable the system to achieve efficient data exchange and communication,meeting various industrial automation control needs.

The company mainly imports PLC modules,programmable controllers,servo control systems and DCS spare parts,such as:ABB,AB(Rockwell),GE(General Electric),Bentley,Honeywell Er),Emerson.),Motorola,Invensys,Westinghouse,etc.The company has established close cooperative relations with many world-renowned PLC and DCS product maintenance service providers.We can purchase goods directly from abroad and provide equipment and spare parts from different countries and manufacturers.
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