The Allen-Bradley 1746-NI4 Analog Input Module is a 4-channel analog input module designed for the SLC 500 programmable controller platform. Manufactured by Rockwell Automation, it provides accurate monitoring and conversion of analog signals from industrial field devices into data that can be processed by PLC control systems.
This module is commonly used in process automation, manufacturing, and industrial monitoring applications where precise measurement of voltage or current signals is required. It supports integration with transmitters, sensors, flow meters, pressure devices, and temperature instruments, making it ideal for industrial process control and data acquisition systems
Key Features of Allen-Bradley 1746-NI4 Analog Input Module
- 4 analog input channels for industrial process monitoring
- Compatible with the SLC 500 modular PLC platform
- Supports both voltage and current input signals
- High-resolution analog signal conversion for accurate data acquisition
- Supports industrial transmitters and process sensors
- Compatible with SLC 500 chassis systems
- Selectable input ranges for flexible application support
- LED status indicators for module diagnostics
- Electrical isolation for improved signal protection
- Compact modular design for easy installation
- Supports real-time process monitoring and control
- Reliable operation in harsh industrial environments
- Removable terminal block for simplified wiring
- Supports SCADA and distributed automation systems
- Suitable for temperature, pressure, flow, and level monitoring applications
Technical Specifications of Allen-Bradley 1746-NI4 Analog Input Module
| Parameter | Specification |
|---|
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Product Family | SLC 500 Series |
| Model Number | 1746-NI4 |
| Product Type | Analog Input Module |
| Number of Inputs | 4 Analog Inputs |
| Input Signal Type | Voltage / Current |
| Voltage Input Range | ±10V DC |
| Current Input Range | 0–20 mA / 4–20 mA |
| Resolution | 16-bit |
| Backplane Current | 0.055 A at 5V DC |
| Converter Type | Sigma-Delta |
| Isolation Voltage | 500V DC |
| Mounting | SLC 500 Chassis |
| Wiring Connection | Removable Terminal Block |
| Operating Temperature | 0 to 60 °C |
| Storage Temperature | -40 to 85 °C |
| Relative Humidity | 5% to 95% Non-Condensing |
| Dimensions | 145 × 35 × 142 mm |
| Weight | Approx. 0.27 kg (0.6 lbs) |
Package Includes
Standard package contents generally include:
- 1 × Allen-Bradley 1746-NI4 Analog Input Module
- Industrial protective packaging
- Factory identification label
- Inspection or quality assurance documentation
- Anti-static protective covering
Origin, Dimensions & Weight
- Origin: USA
- Dimensions: 145 × 35 × 142 mm
- Weight: Approx. 0.27 kg
Applications
The Allen-Bradley 1746-NI4 Analog Input Module is commonly used in:
- Process automation and industrial control systems
- Temperature and pressure monitoring applications
- Flow and level measurement systems
- Water and wastewater treatment plants
- Manufacturing and assembly automation
- Chemical and pharmaceutical processing plants
- Food and beverage processing industries
- SCADA and distributed control systems
- Energy and utility monitoring systems
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