A-B 1756-OF8

A-B 1756-OF8 is an analog output module produced by Rockwell Automation(Allen-Bradley,referred to as AB)in the United States.It belongs to the ControlLogix series of products and is usually used in industrial control systems.The following is a detailed introduction to A-B 1756-OF8:

1.Basic properties

Brand:Rockwell Automation(Allen-Bradley)

Model:1756-OF8

Type:Analog output module

2.Technical specifications

Output channels:8 voltage or current analog outputs

Output rating:±10 volts or 0 to 20 mA

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

Signal resolution:15 bits at 21 mA,15 bits at 10.4 volts

Backplane current:210 mA at 24 volts DC,150 at 5.1 volts mA DC Volts

Power consumption:The maximum power consumption of the circuit is 5.8 watts,and the total rated power is also 5.8 watts

Protection mechanism:It has a circuit detection function,which can provide overvoltage protection at 24 volts DC,and provide short-circuit protection by electronically limiting the current to 21mA or less

Scan time:The floating point scan time is 12 milliseconds,and the integer scan time is 8 milliseconds

Error:The total module error is 0.15%in voltage mode and 0.3%in current mode

Settling time:The voltage or current settling time is 2 milliseconds

Calibration accuracy:0.05%

Calibration interval:12 months

III.Functional features

High resolution:The module has high resolution and high accuracy,which can achieve precise control of the output signal and meet the requirements of industrial control systems for output accuracy.

Multiple output types:Supports two output types of voltage and current to meet the control needs of different devices.

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

Communication interface:It usually has multiple communication interfaces,such as Ethernet interface,control network interface,etc.,to achieve data exchange and communication with other devices and systems.

High reliability and stability:It can operate stably for a long time in industrial environment and provide reliable control performance.

A-B 1756-OF8

IV.Application field

A-B 1756-OF8 analog output module is widely used in industrial automation,including manufacturing,chemical,energy,medicine and other industries.It is an important part of modern industrial control system to realize the control of various equipment and process parameters.For example,it can convert digital signals into analog output signals to control various actuators or equipment,such as valves,motors,inverters,etc.,so as to achieve precise control of parameters such as position,speed,pressure,temperature,etc.

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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