Triconex 3481 Analog Output Module

Manufacturer

Triconex

Model/Part Number

3481

Description

Analog Output Module (4–20 mA, TMR architecture)

Number of Output Channels

4 (commoned-return, DC-coupled)

Isolation

None (points are not isolated)

Output Current Range

4–20 mA controlled0–22 mA over-range0 mA step function (< 2 mA)

Resolution

12 bits

Architecture

TMR (Triple Modular Redundant)

Output Accuracy

< 0.25% of Full-Scale Range (FSR) in 4–20 mA over 0°C to +70°C

Diagnostics

Forced-switch diagnostic (FSD)

External Loop Power Supply

24 VDC nominal, 32 VDC maximum (reverse voltage protected)

Load Resistance Requirements

- 300 Ω @ >16 VDC (1 A minimum)  - 500 Ω @ >20 VDC  - 700 Ω @ >24 VDC  - 800 Ω @ >28 VDC

Over-Range Protection

0 VDC to 36 VDC continuous

Switch Time on Leg Failure

1 ms typical, 3 ms maximum