1756-OF8 is an automation control module produced by Rockwell Automation(Allen-Bradley)in the United States,and is usually used in ControlLogix PLC(Programmable Logic Controller)systems.The following is a detailed introduction to the 1756-OF8 module:

I.Main features

Analog output:1756-OF8 is an analog output module with 8 voltage or current analog output channels,which can convert digital signals into analog signals for controlling various actuators or devices,such as valves,motors,inverters,etc.

High performance:The module is equipped with a high-performance processor that can handle complex control algorithms and real-time tasks to meet the requirements of industrial automation systems.

Multiple communication interfaces:1756-OF8 modules usually have multiple communication interfaces,such as Ethernet interfaces,control network interfaces,etc.,to achieve data exchange and communication with other devices and systems.

Programmability:The module is programmable and can be parameterized and customized through programming or configuration software to meet different application requirements.

Reliability and stability:The 1756-OF8 module has high reliability and stability,can operate stably for a long time in an industrial environment,and provide reliable control performance.

2.Technical Specifications

Output Capability:

Output rating is±10 volts or 0 to 20mA.

Voltage or current output range is-10 to 10V or 4 to 20mA.

Signal Resolution and Power Consumption:

Signal resolution is 15 bits at 21mA and 15 bits at 10.4 volts.

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

Backplane Current:

Backplane current is 210mA at 24 volts DC.

Backplane current is 150mA DC at 5.1 volts.

Protection Mechanism:

It has a circuit detection function that can provide overvoltage protection at 24 volts DC.

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

Scan Time and Error:

Floating point scan time is 12 milliseconds,and integer scan time is 8 milliseconds.

Total module error is 0.15%in voltage mode and 0.3%in current mode.

Other parameters:

The voltage or current settling time is 2 milliseconds.

The calibration accuracy is 0.05%,and the module calibration interval is 12 months.

The insulation voltage is 250 volts.

It has T4A(North America),T4(ATEX)and T4(IEC)temperature codes and adopts an open housing.

III.Application Field

The 1756-OF8 module is widely used in the field of industrial automation,including manufacturing,chemical,energy,medicine and other industries.It is an important part of modern industrial control systems to realize the control of various equipment and process parameters.

 

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