Allen-Bradley 1746-NI4 SLC 500 Analog Input Module PLC 1746NI4

Description:

The Allen-Bradley 1746-NI4 SLC 500 Analog Input Module is used in SLC 500 series PLC systems to provide multiple channels of analog signal acquisition for monitoring process variables such as voltage and current feedback. Commonly installed in industrial control panels, SLC racks, and machine automation systems where analog data from sensors and transducers must be accurately measured and processed. Maintenance teams and system integrators use this module for control system expansions, retrofit upgrades, replacement of failed input modules, and enhancement of analog signal detection.

Applications:

The Allen-Bradley 1746-NI4 analog input module is commonly used in industrial automation environments including manufacturing production lines, water and wastewater treatment facilities, HVAC and building automation systems, chemical processing equipment, material handling systems, and packaging machinery where precise analog measurements improve process control and responsiveness.

Technical Specifications:

• Manufacturer: Allen-Bradley
• Model: 1746-NI4
• Product Type: SLC 500 Analog Input Module
• Series: SLC 500 I/O Module
• Input Channels: Multiple analog input channels
• Input Signal Types: Voltage and current analog signals (model dependent)
• Resolution: High-accuracy analog-to-digital conversion
• Compatibility: Allen-Bradley SLC 500 PLC systems
• Interface: Backplane connection to SLC chassis
• Mounting Type: Rack mounted module
• Power Supply: Supplied via SLC 500 rack power bus
• Function: Analog signal acquisition and conversion for process control
• Application Category: Industrial analog monitoring and PLC input control
• Operating Temperature Range: Industrial-rated conditions
• Protection Rating: Installed within control enclosure

Common Replacements:

• Allen-Bradley 1746-NI8 SLC 500 Analog Input Module
• Allen-Bradley 1769-IF8 CompactLogix Analog Input Module
• Allen-Bradley 1734-IE8S POINT I/O Analog Input Module