Triconex 3482 High Current Analog Output Module | TMR AO

Description

Product Snapshot

Triconex 3482 is a high-current analog output module for safety systems.

It delivers stable current signals to field actuators.

The module uses TMR design for high reliability.

Fast fault response protects process operation.

Why Choose This Module

• High current output supports heavy field loads.
• TMR structure improves system availability.
• Accurate control ensures smooth process action.
• Fast switching limits fault impact.
• Strong protection guards against wiring errors.

Basic Configuration

• Brand: Invensys Triconex
• Model: 3482
• Series: Triconex Safety I/O
• Module type: Analog Output
• Redundancy type: TMR
• Output points: 4 channels
• Signal type: DC current output
• Return style: Commoned return
• Isolation: None between channels

Output Performance

• Output range: 4 to 40 mA
• Over-range capability: 0.44 mA
• Zero output mode: 0 mA supported
• Output resolution: 12-bit
• Accuracy: Less than 0.25% of full scale
• Temperature stability: 0 to 50 °C operation

Electrical Load and Power

• External loop power: Up to 32 VDC
• Reverse voltage protection included.
• Supported load at 16 VDC: 125 ohms
• Supported load at 24 VDC: 295 ohms
• Continuous over-voltage tolerance: 36 VDC
• Continuous zero-voltage tolerance: 0 VDC

Speed and Response

• Leg failure switch time: 1 ms typical
• Maximum switch time: 3 ms
• Fast reaction limits output deviation.
• Suitable for tight control loops.

Diagnostics and Protection

• Forced-switch diagnostic checks output health.
• Continuous monitoring improves safety.
• Faults are detected without process stop.
• Supports preventive maintenance.

Installation Guidance

• Install into a compatible Triconex chassis.
• Verify loop power before wiring.
• Use proper wire gauge for high current.
• Check load resistance during setup.

Typical Use Cases

• Control valves with high current demand.
• Actuators in safety shutdown loops.
• Critical process control outputs.
• Industrial safety instrumented systems.

Package Contents

• One Triconex 3482 analog output module.
• Anti-static and shock-resistant packaging.
• Factory inspection identification.

Warranty and Shipping

• 12-month warranty from delivery date.
• Global shipping via FedEx, UPS, DHL.
• Secure packing for long transport.

Professional FAQ

• Why use high-current output instead of standard 20 mA?
• It supports actuators with higher power needs.
• What improves output stability in the field?
• Proper load sizing and clean loop power.
• How does TMR help analog outputs?
• It maintains output even if one path fails.
• What causes output drift over time?
• Extreme heat and incorrect wiring.
• How can downtime be reduced?
• Use diagnostics to plan maintenance early.

Copyright © 2025
PLCDCS HUB Limited.
All rights reserved.

Partner:
Powergear X Automation Limited |
Oiltech Controls Limited

Contact:
+86 158 8020 0923