A-B 1756-PA75

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

1.Product Overview

A-B 1756-PA75 is a standard power module designed for the ControlLogix series PLC(Programmable Logic Controller).It provides the necessary backplane power for each module installed in the chassis to ensure the normal operation of the PLC system.

2.Main Features

Wide input voltage range:The power module is compatible with a voltage range of 85-264VAC,a frequency of 47-63Hz,and a nominal input voltage of 120VAC/240VAC.This allows it to adapt to different power supply environments and improve the flexibility and compatibility of the system.

High output power:Within a specific temperature range,the rated output power of the A-B 1756-PA75 can reach 75W or 140W(depending on temperature conditions).This ensures that the system can obtain sufficient power supply to meet various industrial automation needs.

Multiple output voltage and current options:This power module provides multiple output voltage and current options,such as 3A current capacity at 4.3VDC,1A at 13.5VDC,8.24A at 2VDC,etc.This provides users with a larger selection space to meet the power needs of different devices.

Installed on a dedicated power slot:A-B 1756-PA75 must be installed on the leftmost dedicated power slot of the ControlLogix chassis.This design ensures the stability and reliability of the power module while facilitating user installation and maintenance.

Provides hold-up time:If the working input power is suddenly interrupted,this standard power supply can provide a certain period of hold-up time to ensure the stable operation of the system.The specific hold-up time depends on the input voltage and frequency.

Isolation voltage and test:This power module has an isolation voltage rated at 250V(continuous)and has been tested at 3500V DC for 60 seconds.This ensures the safety and reliability of the power module.

3.Application fields

A-B 1756-PA75 power module is widely used in various industrial automation and control systems,such as metallurgy,petroleum,chemical industry,electric power and other industries.It can provide stable and reliable power supply for PLC system to ensure the normal operation and efficient production of the system.

A-B 1756-PA75

4.Technical specifications

Input voltage:85-264VAC

Input frequency:47-63Hz

Nominal input voltage:120VAC/240VAC

Rated output power:75W or 140W(depending on temperature conditions)

Output voltage and current options:multiple options are available(such as 3A at 4.3VDC,1A at 13.5VDC,8.24A at 2VDC,etc.)

Installation location:on the dedicated power supply slot on the far left of the ControlLogix chassis

Hold time:depends on the input voltage and frequency

Isolation voltage:250V(continuous)

Test conditions:60 seconds test at 3500V DC

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