Allen-Bradley 1746-NI8 SLC 500 Analog Input 1746NI8 Module PLC 1746NI8

Description: 

The Allen-Bradley 1746-NI8 SLC 500 Analog Input Module is used in industrial automation systems to provide high-accuracy analog signal acquisition and conversion for process monitoring and control in SLC 500 PLC platforms. Commonly installed in SLC 500 racks, control panels, and distributed I/O systems where precise analog inputs from sensors and transducers are required for real-time control, feedback loops, and system diagnostics. Maintenance teams and system integrators use this module for control system expansions, retrofit upgrades, replacement of failed analog input boards, and enhancement of automation performance.

Applications:

The Allen-Bradley 1746-NI8 analog input module is commonly used in industrial automation environments including manufacturing production lines, water and wastewater treatment plants, packaging machinery systems, chemical processing facilities, and HVAC control systems where dependable analog data collection improves control accuracy, system responsiveness, and operational efficiency.

Technical Specifications:

• Manufacturer: Allen-Bradley
• Model: 1746-NI8
• Product Type: Analog Input Module (SLC 500 PLC I/O)
• Function: Provides analog input signal measurement and conversion
• Channel Count: 8 analog input channels
• Input Signal Types: Voltage and current analog inputs (model dependent configuration)
• Resolution: High-accuracy analog conversion (model dependent)
• Compatibility: Allen-Bradley SLC 500 PLC I/O racks
• Interface: Backplane connection to SLC control chassis
• Power Supply: Supplied from SLC 500 rack power
• Mounting Type: Rack mounted module
• Application Category: Analog signal acquisition and PLC control
• Operating Temperature Range: Industrial-rated conditions
• Protection Rating: Installed within SLC or control enclosure

Common Replacements:

• Allen-Bradley 1746-NI4 analog input module
• Allen-Bradley 1734-IE8S POINT I/O analog module
• Allen-Bradley 1769-IF8 CompactLogix analog input module