Triconex AO3481 S2 Analog Output Module

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.

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