A-B 1756-A7

Description

A-B 1756-A7 is a product of Allen-Bradley brand under Rockwell Automation.It is a small and compact 7-slot chassis for ControlLogix system.The following is a detailed introduction of A-B 1756-A7:

1.Product Features

Compact design:The A-B 1756-A7 chassis is designed to be small and compact.It is designed for Allen-Bradley ControlLogix system and is one of the smallest ControlLogix chassis available.

Easy installation:There are 2 mounting tabs on the top and bottom of the chassis,which can be directly installed to the sub-panel of the cabinet through the 4 mounting tabs provided.At the same time,the chassis can be installed with or without 2 SEM screws,and 2 or 4 cross screws can be selected according to the installation situation.

Open shell:The 1756-A7 chassis has no shell for protection and has an open design,allowing users to easily install and maintain.

Backplane connection:The chassis provides backplane connection and allows the module to be installed in the provided module insertion slot,supporting the installation of ultra-thin,standard and power modules.

A-B 1756-A7

2.Physical parameters

Dimensions:The physical dimensions are 50.8×60.9×20.3 cm(20×24×8 inches),and the shipping dimensions are the same as the physical dimensions.

Weight:The weight is approximately 1.10 kg(2.4 pounds).

Grounding terminal:Equipped with functional grounding and protective grounding terminals.The recommended wire type and size for functional grounding is 8.3 square millimeters(8 AWG)solid or stranded copper wire with an insulation rating of 90°C(194°F)or higher;the protective grounding terminal uses 2.1 square millimeters(14 AWG)solid or stranded copper wire,and the insulation rating is also 90°C(194°F)or higher.

3.Electrical parameters

Power consumption:The chassis power consumption is 4.5 watts.

Backplane current:Multiple backplane current supplies are available,including 1.5 A 1.2 VDC,4A 3.3 VDC,etc.,and the chassis/slot is 15 A/6 A 5.1 VDC and 2.8 A/2.8 A 24VDC.

Operating heat dissipation rate:6.1 BTU per hour.

Maximum operating power rating:1.8 watts.

A-B 1756-A7

IV.Environmental parameters

Operating temperature:The measured operating temperature range is 0 to 60 degrees Celsius(32 to 140 degrees Fahrenheit).

Storage temperature:The recommended storage temperature range is-40 to 85 degrees Celsius.

Humidity:Compatible with non-condensing humidity,the chassis can be used at relative humidity levels of 5%to 95%.

Shock level:The shock level is 30G(acceleration)in the operating state and 50G(acceleration)in the non-operating state.

5.Application Field

The A-B 1756-A7 chassis is widely used in small and medium-sized industrial automation control systems due to its compact design,convenient installation and powerful functions,meeting the needs of various industrial automation and control systems.

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.

We supply goods directly from abroad,without intermediaries,reducing the cost of use.

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