A-B 1756-PA75

Description

A-B 1756-PA75 is a ControlLogix power module from Allen-Bradley(now part of Rockwell Automation).The following is a detailed introduction to the module:

1.Product Overview

1756-PA75 is a standard power module designed to provide the necessary backplane power for the ControlLogix series PLC(Programmable Logic Controller).It is installed on the leftmost dedicated power slot of the ControlLogix chassis and provides stable voltage and current to each module in the chassis to ensure that they can operate normally.

2.Technical Specifications

Input voltage:

Range:85265VAC,4763Hz.

Nominal input voltage:120VAC/240VAC.

Output power:

The rated output power is 75W or 140W(depending on temperature conditions and configuration)within a specific temperature range(+0+75°C or+32+140°F).

Current capacity:

At 4.3VDC,the current capacity is 3A.

At 13.5VDC,the current capacity is 1A.

At 2VDC,the current capacity is 8.24A(or 13A at 5.1V,but this data may vary depending on the specific model or configuration).

A-B 1756-PA75

Backplane power supply:

Provides 1.2V,3.3V,5V,24V and other DC power supplies to the backplane of the rack.

Can provide 13A backplane current(higher current output capacity compared to 1756-PA72,etc.).

Compatibility:

Compatible with various ControlLogix chassis,such as 1756-A4,1756-A7,1756-A10,1756-A13,1756-A17,etc.,as well as B series and C series chassis.

Hold-up time:

When the working input power is suddenly interrupted,this standard power supply can provide a certain hold-up time,specifically:2 cycles of hold-up time 85V AC,60 Hz 6 cycles 120V AC,60 Hz 20 sections 220V AC,60 Hz.

Isolation voltage:

The rated value is 250V(continuous),reinforced insulation type,power input to backplane type isolation voltage,tested at 3500V DC for 60 seconds.

III.Product features

High performance:Provides stable voltage and current output to ensure the normal operation of PLC and its modules.

High reliability:With reinforced insulation type and rated isolation voltage,the safety and stability of the power supply are guaranteed.

Easy to install:Installed on the leftmost dedicated power slot of the ControlLogix chassis,the installation is simple and quick.

Wide compatibility:Compatible with a variety of ControlLogix chassis,convenient for users to choose according to specific needs.

A-B 1756-PA75

IV.Application field

The 1756-PA75 power module is widely used in the field of industrial automation,such as control systems in manufacturing,energy,transportation and other industries.As an important part of PLC,it provides reliable power supply guarantee for the stable operation of the system.

V.Precautions

When using the 1756-PA75 power module,ensure that it is compatible with other devices in the system.

Follow the technical documents and guidelines provided by Allen-Bradley for installation,configuration and maintenance.

Regularly check and maintain the power module to ensure its long-term stable operation.

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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