Excellent PLC
Product Introduction
The Allen-Bradley 1746-NI16I is a high-density analog input module designed for the SLC 500 programmable controller platform. It provides 16 channels of current-based analog inputs, enabling accurate acquisition of process signals from a wide range of industrial field devices.
This module supports multiple current ranges and single-ended input configuration, making it suitable for applications requiring flexible signal measurement and high resolution. With 16-bit signed analog resolution, the module delivers precise data for monitoring and control systems operating in demanding industrial environments. Its design emphasizes reliability, signal stability, and seamless integration into modular PLC architectures.
Product Specifications
| Parameter | Description |
|---|---|
| Product Type | Analog Input Module |
| Model | 1746-NI16I |
| Manufacturer | Allen-Bradley |
| Product Series | SLC (Bul. 1746 / 1747) |
| Component Type | PLC & I/O |
| Number of Analog Inputs | 16 channels |
| Analog Input Type | Current, single-ended |
| Analog Input Ranges | −20…20 mA, 4…20 mA, 0…1 mA, 0…20 mA |
| Analog Resolution (Input) | 16-bit (signed) |
| Operating Temperature (Min) | 0 °C |
| Operating Temperature (Max) | 60 °C |
| Storage Temperature (Min) | −40 °C |
| Storage Temperature (Max) | 85 °C |
| Relative Humidity (Max) | 95 % RH |
| Installation | Modular PLC chassis slot |
| Operating Environment | Industrial control systems |
| Dimensions | 144.5 × 34.6 × 130.18 mm |
| Weight | 0.34 kg |
Applications
• High-density analog signal acquisition in industrial automation systems
• Process monitoring for current-based sensors such as pressure, flow, and level transmitters
• Data acquisition systems requiring multiple analog input channels
• Integration into SLC 500 PLC platforms for scalable I/O expansion
• Industrial control environments where stable and accurate current measurement is required
Advantages
• 16 analog input channels, reducing the need for multiple input modules
• High-resolution 16-bit conversion, ensuring precise signal measurement
• Supports multiple current ranges, offering flexibility for various field devices
• Reliable performance in industrial conditions, with wide temperature tolerance
• Compact modular design, fully compatible with SLC 500 chassis
• Improved signal stability, suitable for continuous process monitoring
