A-B 1756-OF8 is an automation control module produced by Rockwell Automation(Allen-Bradley,AB for short),USA,and belongs to the ControlLogix series.The following is a detailed introduction to A-B 1756-OF8:

1.Basic features

Product type:analog output module

Installation location:can be installed in any slot of the ControlLogix chassis

Output type:has 8 voltage or current analog outputs

2.Technical parameters

Output rating:±10 volts or 0 to 20 mA

Output range:voltage output range is-10 to 10V,current output range is 4 to 20 mA

Signal resolution:15 bits at 21 mA or 10.4 volts

Circuit maximum power consumption:5.8 watts

Backplane current:at 24 volts DC,the backplane current is 210 mA;at 5.1 volts,the backplane current is 150 mA DC Volts

Settling time:2 milliseconds for voltage or current

Calibration accuracy:0.05%

Module calibration interval:12 months

Total module error:0.15%in voltage mode,0.3%in current mode

Floating point scan time:12 milliseconds

Integer scan time:8 milliseconds

Insulation voltage:250 volts

Temperature code:With T4A(North America),T4(ATEX)and T4(IEC)temperature codes

Housing type:open housing

III.Functional features

High resolution and high accuracy:The A-B 1756-OF8 module has high resolution and high accuracy,which can achieve precise control of output signals and meet the requirements of industrial control systems for output accuracy.

Multiple communication interfaces:The module usually has Ethernet interface,control network interface,etc.to achieve data exchange and communication with other devices and systems.

Programmability:Parameters can be set and functions can be customized through programming or configuration software to meet different application requirements.

Multiple input and output interfaces:Provide a variety of digital input/output interfaces and analog input/output interfaces to connect and control various sensors,actuators and external devices.

Reliability and stability:It has high reliability and stability,can operate stably for a long time in an industrial environment,and provide reliable control performance.

Compatibility:It is compatible with other automation products and systems of AB Company,and can form a complete automation control system with other modules.

IV.Application Field

A-B 1756-OF8 module is widely used in the field of industrial automation,including manufacturing,chemical,energy,medicine and other industries.In modern industrial control systems,it is an important component to achieve the control of various equipment and process parameters.This module is usually used to convert digital signals into analog output signals to control various actuators or equipment,such as valves,motors,inverters,etc.

 

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