A-B 1756-OF8

A-B 1756-OF8 is an analog output module produced by Rockwell Automation(Allen-Bradley,AB for short)in the United States,and belongs to the ControlLogix series of products.The following is a detailed introduction to the module:

I.Main features

Versatility:

It has 8 voltage or current analog outputs and can be installed in any slot of the ControLogix chassis.

The output rating is±10 volts or 0 to 20mA,and the voltage or current output range is-10 to 10V or 4 to 20mA.

High accuracy and high resolution:

The signal resolution is 15 bits at 21mA and 15 bits at 10.4V.

The calibration accuracy is 0.05%,which can meet the output accuracy requirements of industrial control systems.

High efficiency:

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

The backplane current is 210mA at 24V DC and 150mA DC volts at 5.1V.

Protection mechanism:

It has circuit detection function and can provide overvoltage protection at 24V DC.

Short-circuit protection is provided by electronically limiting the current to 21mA or less.

Fast response:

The voltage or current settling time is 2 milliseconds.

The floating point scan time is 12 milliseconds and the integer scan time is 8 milliseconds.

Multiple communication interfaces:

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.

Programmability:

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

II.Application field

A-B 1756-OF8 module is widely used in industrial automation,including but not limited to 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.It can convert digital signals into analog output signals to control various actuators or equipment,such as valves,motors,inverters,etc.

A-B 1756-OF8

III.Technical specifications

Temperature code:It has T4A(North America),T4(ATEX)and T4(IEC)temperature codes.

Housing type:open housing.

Module error:0.15%in voltage mode,0.3%in current mode.

Calibration interval:12 months.

IV.Compatibility

A-B 1756-OF8 automation control module is generally compatible with other automation products and systems of AB company,and can form a complete automation control system with other modules.In addition,it also supports redundant communication media to prevent loss of communication when the splitter or relay line is disconnected.

In summary,A-B 1756-OF8 analog output module is a powerful and stable industrial automation control module,suitable for various application scenarios requiring precise analog output.

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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