Description
Allen-Bradley 1746-NI16I: 16-Channel Analog Input Module
Precision Analog Measurement
The Allen-Bradley 1746-NI16I brings high-resolution analog inputs to your SLC 500 system. It reads current signals from sensors and transmitters. This 1746-NI16I module offers flexible configuration for various industrial applications. It fits in one slot and connects easily to your process.
Key Technical Specifications
Brand: Allen-Bradley
Model: 1746-NI16I
Type: 16-Channel Analog Input
Input Types: 0-20mA, 4-20mA, ±20mA, 0-1mA
Resolution: 16-bit
Update Rate: 9-630 ms per channel
Filter Frequencies: 6, 10, 20, 40, 60, 80, 100, 250 Hz
Input Impedance: 249 ohms
Max Input Current: ±30 mA
Isolation: 500V AC for 1 second
Backplane Power: 5V DC, 125 mA / 24V DC, 75 mA
Thermal Dissipation: 2.43 W
Operating Temp: -25°C to 60°C (-13°F to 140°F)
Connector: 25-pin D-shell
Wire Size: Up to 14 AWG
12 Month Warranty
We back this 1746-NI16I module with a full one-year warranty. It covers all defects in materials and workmanship. We provide prompt repair or replacement service. We ship globally using FedEx, UPS, and DHL.
Download Complete Manual
- Learn wiring diagrams for all input types.
- Understand filter frequency selection.
- Get configuration steps for your application.
- Find troubleshooting tips for analog signals.
Download SLC 500 Hardware Manual Here
Important Technical Questions
- What sensors work with this module?
It works with pressure transmitters, temperature sensors, flow meters, and any 4-20mA devices. - How do I set the input type?
You configure each channel through software. Choose between 0-20mA, 4-20mA, ±20mA, or 0-1mA. - Can it detect broken wires?
Yes. It has open circuit detection for each input channel to alert you to wiring problems. - What is the sampling rate?
It updates each channel every 9-630 milliseconds depending on your filter frequency setting. - How many wires per terminal?
You can connect up to two wires per terminal. Use Belden #8761 or similar shielded cable.
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