AB 1746-NI4

Product Overview

The Allen-Bradley 1746-NI4 is a versatile analog input module designed for the SLC 500 family of programmable logic controllers (PLCs). This module is specifically designed to convert analog signals from various industrial

 sensors into digital values that can be processed by the PLC. With its four independent analog input channels, the 1746-NI4 offers a cost-effective and reliable solution for a wide range of industrial automation applications.  

Key Features and Benefits

• 4-Channel Analog Input: Each channel can independently process analog signals, providing flexibility in monitoring different process variables.

• High Resolution: The 16-bit resolution ensures accurate data acquisition, allowing for precise control and monitoring.

• Isolation: The module features 500V DC field wiring to backplane isolation, protecting the PLC from potential damage caused by electrical noise or surges.

• Compatibility: The 1746-NI4 is fully compatible with the SLC 500 family of PLCs, making it easy to integrate into existing automation systems.

• Versatility: Suitable for a wide range of applications, including temperature measurement, pressure sensing, flow measurement, and more.

• Reliability: Constructed with high-quality components and designed to operate in demanding industrial environments.

Technical Specifications

• Number of Channels: 4

• Resolution: 16-bit

• Input Voltage: Varies depending on the specific configuration and scaling

• Isolation: 500V DC

• Operating Temperature: 0 to 60°C

• Mounting: DIN rail

Applications

The 1746-NI4 is commonly used in various industrial applications, such as:

• Process control: Monitoring and controlling temperature, pressure, and flow rates in manufacturing processes.

• Building automation: Regulating HVAC systems, monitoring environmental conditions, and optimizing energy consumption.

• Machine automation: Monitoring motor speed, position, and other process variables.

• Data acquisition: Collecting data from analog sensors for analysis and reporting.

Precautions and Considerations

• Proper Configuration: Ensure that the module is correctly configured for the specific analog signals being measured, including scaling and engineering units.

• Environmental Conditions: The module should be installed in a clean and dry environment, away from excessive vibration and corrosive substances.

• Grounding: Proper grounding is essential to prevent electrical noise and ensure reliable operation.

• Compatibility: Verify that the module is compatible with the specific PLC and software version being used.

Additional Information

For more detailed information, refer to the official Allen-Bradley product documentation or contact your local Rockwell Automation distributor.

Would you like to know more about specific applications or have any other questions regarding the 1746-NI4 module?

Here are some additional topics that you might find helpful:

• Selecting the right analog input module for your application

• Configuring and programming the 1746-NI4

• Troubleshooting common issues

• Safety considerations

Please let me know if you have any other requests.

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