
( Brand: Allen-bradley ), ( Manufacturer Part Number: 1791-NDC ), ( Model: ALLEN BRADLEY 1791-NDC ), ( Type: Plc Input/output Module ), ( Analog/digital: Analog ), ( Country/region Of Manufacture: United States ), ( Controller Platform: Plc-5 )
The Allen-Bradley 1791-NDC 24 Analog I/O Module is a versatile and high-performance input/output expansion solution designed for controlling and monitoring a wide range of process variables. This module is part of the Allen-Bradley ControlLogix family, ensuring seamless integration with your existing ControlLogix system.
The 1791-NDC module offers 24 channels of isolated analog input, supporting a wide range of input voltages from 0.5V to 10V DC. It is equipped with a built-in scan time feature that allows for efficient and precise data collection, reducing your system's overall response time.
One of the standout features of this module is its accuracy, with a typical input error of 0.15% of full scale, ensuring reliable and precise measurement of your process variables. It also offers a high input impedance of 1M , minimizing load effects on connected devices.
The Allen-Bradley 1791-NDC Analog I/O Module is designed for rugged industrial use, featuring a robust construction with a conformal coated printed circuit board to protect against dust and moisture. It also operates in a wide temperature range of -25 C to 85 C (-13 F to 185 F), making it suitable for use in various industrial environments.
In addition, the module is easy to install and configure, thanks to its intuitive software interface. It is compatible with Rockwell Automation's Integrated Architecture, allowing for seamless communication with other devices in your system.
In summary, the Allen-Bradley 1791-NDC 24 Analog I/O Module is an ideal choice for applications requiring high-precision, high-performance, and reliable analog I/O expansion. Its robust design, wide compatibility, and ease of use make it a valuable addition to any industrial control system.
The Allen-Bradley 1791-NDM 24 Analog I/O Module is a versatile solution for process control applications. Here are some pros and cons that might help in making a decision:
Pros:1. Wide Range Support: The module supports a wide range of analog input (0-5V DC, 4-20 mA) and output (0-10V DC, 0-20 mA) signals, making it suitable for various industries and applications.
2. Modular Design: The module can be easily integrated into a control system using the CompactLogix, ControlLogix, or SLC 500 series controllers. This modular design allows for easy expansion and upgrades.
3. High Accuracy: The module provides high accuracy and resolution, which is crucial for precise control and monitoring in industrial processes.
4. EtherNet/IP Communication: The module supports EtherNet/IP communication, enabling seamless integration with other devices on the network and facilitating real-time data exchange.
Cons:1. Cost: Compared to some other I/O modules, the Allen-Bradley 1791-NDM can be relatively expensive, which might be a concern for budget-conscious users.
2. Limited Input/Output Count: With only 24 analog I/O points, this module might not be sufficient for systems requiring a higher number of input/output points.
3. Requires Proprietary Software: The module requires Rockwell Automation's RSLogix 5000 or Studio 5000 software for configuration, which might be a disadvantage for users who prefer open-source software.
In conclusion, the Allen-Bradley 1791-NDM 24 Analog I/O Module is a high-performance solution for industrial process control applications that require a wide range of analog I/O support, high accuracy, and EtherNet/IP communication. However, its cost and limited input/output count could be potential drawbacks, especially for budget-conscious users or systems requiring a larger number of I/O points.
If the cost and input/output count are not significant concerns, the Allen-Bradley 1791-NDM 24 Analog I/O Module is a recommended choice due to its versatility, accuracy, and integration capabilities. If these factors are important, alternative solutions with a lower cost and higher input/output count should be considered.
Allen Bradley Analog I/O module 1791-NDC Used Removed From A Working System.