Product Description
🔹 General Information
|
Manufacturer |
Allen-Bradley |
|---|---|
|
Model/Part Number |
1746-NI16I/A |
|
Description |
16-Channel Analog Input Module (Current Input) |
🔹 Electrical Specifications
|
Attribute |
Specification |
|---|---|
|
Backplane Current Consumption |
125 mA at 5V DC 75 mA at 24V DC |
|
Backplane Power Consumption |
2.425W max (0.625W at 5V DC, 1.8W at 24V DC) |
|
Number of Channels |
16 (backplane isolated) |
|
I/O Chassis Location |
Any I/O module slot except slot 0 |
|
A/D Conversion Method |
Sigma-Delta |
|
Input Filtering |
Low-pass digital filter with programmable frequencies |
|
Input Filter Frequencies |
6 Hz, 10 Hz, 20 Hz, 40 Hz, 60 Hz, 80 Hz, 100 Hz, 250 Hz |
|
Normal Mode Rejection (Between [+] and [-] Input) |
>80 dB at 50/60 Hz >75 dB at DC >100 dB at 50/60 Hz |
|
Common Mode Rejection (Between Inputs and Chassis Ground) |
≥75 dB at DC ≥100 dB at 50/60 Hz |
|
Isolation |
500V AC isolation for 1 second |
|
Common-Mode Voltage Range |
±10.25V relative to analog common terminal 20.5V max between any two signal input terminals |
🔹 Additional Specifications
|
Attribute |
Specification |
|---|---|
|
LED Indicators |
5 green status indicators (1 for each group of 4 channels, 1 for module status) |
|
Module ID Code |
Class 1: NI16I = 3504 Class 3: NI16I = 10403 |
|
Recommended Cable |
Belden #8761 or equivalent |
|
Max Wire Size |
Two 14 AWG wires per terminal |
|
Max Cable Impedance |
NI16I (Current Source): 249Ω max loop impedance |
|
Terminal Block |
Removable, Allen-Bradley spare part (Catalog No. 1746-RT25G) |
|
Prewired Cables |
1492-ACAB005A46 (0.5m) 1492-ACAB010A46 (1.0m) 1492-ACAB025A46 (2.5m) 1492-ACAB050A46 (5.0m) |
|
User Terminal Blocks |
1492-AIFM8-3 1492-AIFM16-F-3 |