Product Description
🔍
Product Overview
|
Field |
Details |
|---|---|
|
Manufacturer |
Triconex |
|
Model/Part Number |
AO3481 S2 |
|
Model Type |
Analog Output Module |
|
Description |
The AO3481 S2 is a TMR (Triple Modular Redundant) analog output module that provides 4 high-accuracy 4–20 mA outputs. Designed for use in critical process control and safety applications, it features diagnostics, reverse-voltage protection, and over-range support. |
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Technical Specifications
|
Feature |
Specification |
|---|---|
|
Points |
4, commoned-return, DC-coupled |
|
Output Current Range |
4–20 mA (controlled), 0–22 mA over-range |
|
Minimum Output Capability |
0 mA (step < 2 mA) |
|
Output Accuracy |
<0.25% of FSR (0–22 mA) over 0°C to 70°C |
|
Resolution |
12 bits |
|
Diagnostics |
Forced-switch diagnostic (FSD) |
|
External Loop Power |
24 V DC nominal, 32 V DC max (reverse voltage-protected) |
|
Loop Power Requirements |
300 Ω @ >16 V DC, 500 Ω @ >20 V DC, 700 Ω @ >24 V DC, 800 Ω @ >28 V DC |
|
Over-range Protection |
0 to 36 V DC (continuous) |
|
Switch Time (on leg failure) |
Typical: 1 ms, Max: 3 ms |
|
Isolation (Functional-to-Protective Earth) |
500 V DC minimum |
|
Isolation (Functional-to-Functional Earth) |
800 V DC minimum |