Product Description
🔍
Product Overview
|
Field |
Details |
|---|---|
|
Manufacturer |
Triconex |
|
Model/Part Number |
AI 3351 |
|
Model Type |
Analog Input Module |
|
Description |
32-point analog input module designed for 4–20 mA DC signals with built-in diagnostics and isolation, used in safety and critical control systems. |
⚙️
Technical Specifications
|
Feature |
Specification |
|---|---|
|
Input Points |
32 (commoned) |
|
Nominal Input Current |
4–20 mA DC |
|
Operational Current Range |
2–22 mA DC |
|
Absolute Max Field Voltage |
33 V DC |
|
Reverse Field Voltage Protection |
–0.6 V DC |
|
Max Input Current |
50 mA DC |
|
Input Bandwidth (3 dB) |
16 Hz |
|
Source Impedance |
180 Ω |
|
Input Impedance (with baseplate) |
250 Ω |
|
I/V Resistor |
100 Ω ±0.01% |
|
Resolution |
12 bits |
|
Accuracy (Absolute Error) |
±0.15% of full scale (20 mA) |
|
Diagnostics |
Force-to-value diagnostic (FVD) |
|
Scan Time |
< 1 ms for all 32 input points |
|
Isolation (Functional to Earth) |
500 V DC minimum |
|
Isolation (Functional to Logic Earth) |
800 V DC minimum |
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