Allen Bradley 1746-NO4I /A SLC500 Analog Output Module Used

Allen-Bradley 1746-NO4I /A SLC500 Analog Output Module

The Allen-Bradley 1746-NO4I is a four-channel analog output module designed for integration with the SLC 500 series programmable logic controllers (PLCs). This module delivers precise current outputs, making it suitable for various industrial automation applications.

Key Features

• Four Independent Channels: Each channel provides a current output range from 0 to +20 mA, allowing for flexible control over connected devices.
• High Resolution: With a 14-bit resolution, the module ensures accurate signal representation, enhancing process control precision.
• Fast Update Time: The module boasts an update time of 512 microseconds, facilitating rapid response to control commands.
• Overrange Capability: Supports an overrange of 5%, extending the output up to 21 mA, which can be beneficial in specific applications.
• Power Efficiency: Operates with a backplane current draw of 55 mA at 5 VDC and 195 mA at 24 VDC, ensuring efficient power consumption.
• Environmental Tolerance: Designed to function within an ambient operating temperature range of 0 to 60 degrees Celsius, suitable for various industrial environments.

Technical Specifications

• Manufacturer: Rockwell Automation
• Brand: Allen-Bradley
• Part Number/Catalog No.: 1746-NO4I
• Series: SLC 500
• Module Type: Analog Output Module
• Outputs: Four (4) channels
• Output Current Range: 0 to +20 mA
• Full Scale Output: 21 mA
• Overrange Capability: 5% (0 to +21 mA – 1 LSB)
• Current Output Coding: 0 to +32764
• Update Time: 512 microseconds
• Resolution: 14 bits
• Step Response: 2.5 milliseconds
• Backplane Current: 55 mA at 5 VDC; 195 mA at 24 VDC
• Ambient Operating Temperature: 0 to 60 degrees Celsius

Applications

The 1746-NO4I module is ideal for applications requiring precise analog current outputs, such as controlling actuators, modulating instruments, and interfacing with other process control equipment. Its high resolution and fast response time make it suitable for dynamic control processes in manufacturing, chemical processing, and other industrial sectors.

Installation and Compatibility

This module is designed for easy installation into the SLC 500 chassis, ensuring seamless integration with existing systems. It is compatible with various SLC 500 controllers, providing flexibility in system design and expansion.

Note

When integrating the 1746-NO4I module into your system, ensure that the power supply and environmental conditions meet the module’s specifications to maintain optimal performance and longevity.