1746-NI16I | Allen-Bradley SLC 500 - 16-Ch Analog Input Module
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Allen-Bradley 1746-NI16I SLC 500 16-Ch High-Res Analog Input Module
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Rockwell Automation brings you the 1746-NI16I – a single-slot, 16-bit, 16-channel analog input card for the SLC 500 family. Read 0-20 mA, 4-20 mA, ±20 mA or 0-1 mA signals with ±0.1 % accuracy. Snap it into any I/O slot (except slot 0) and get data in <5 s. Works from -25 °C to 60 °C and ships today by FedEx, UPS or DHL.
Why You’ll Like It
- 16 isolated inputs – group of 4 LEDs show health at a glance
- Free low-pass filter – pick 6-250 Hz to kill noise
- Open-wire detect – know before the process drifts
- Sigma-Delta A/D – rock-steady counts for PID loops
- Hot-swap friendly – keep the terminal block on the module
Core Tech Data
| Brand | Allen-Bradley (Rockwell Automation) |
| Complete P/N | 1746-NI16I /A, /B, /C suffix available |
| Series | SLC 500 |
| Module Type | High-resolution Analog Input |
| Input Range | 0-20 mA, 4-20 mA, ±20 mA, 0-1 mA |
| Resolution | 16 bit (<0.005 %) |
| Accuracy | ±0.1 % full scale @ 25 °C |
| Step Response | 9-630 ms (filter dependent) |
| Common Mode Range | ±10.25 V |
| Max Wire | 14 AWG, 2 wires per port |
| Backplane Draw | 125 mA @ 5 V; 75 mA @ 24 V |
| Power Dissipation | 2.43 W |
| Isolation | 500 V ac 1 s |
| Operating Temp | -25 °C to 60 °C |
| Storage Temp | -40 °C to 85 °C |
| Humidity | 5-95 % RH non-condensing |
Install in 3 Steps
- Power down rack, slide 1746-NI16I into any slot (≠ 0)
- Use Belden 8761 (or equal) shielded pair; land 14 AWG max
- Pick filter & data format in RSLogix 500, save, go live
Compat & Config
Fits every SLC 500 chassis. Talks via 1747-SN Remote I/O or 1747-ASB Adapter. Configured in RSLogix 500 – choose Engineering Units, Scaled-for-PID, or Proportional Counts.
What’s in the Box
- 1× 1746-NI16I module (sealed anti-static bag)
- 1× 25-pin D-shell removable block
- 1× quick-start card
- 12-month Ubest Automation warranty
Need the Manual?
Grab the full SLC 500 Hardware Installation Guide here: Download PDF. Learn dip-switch tables, scaling formulas & wiring diagrams in minutes.
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