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Triconex AO3481 Analog Output Module
Technical Specifications
• Channels: 8 isolated analog outputs
• Output Ranges: 4–20 mA or 0–10 V, software-selectable
• Resolution: 16-bit
• Accuracy: ±0.1 % of full scale
• Update Rate: ≤10 ms per channel
• Power Supply: 24 VDC redundant feed (18–36 VDC range)
• Isolation: 1.5 kV AC channel-to-channel, 500 V AC to ground
• Operating Temperature: −40 °C to +70 °C
• Protection Class: IP20 (panel-mounted)
• Certifications: CE, UL, ATEX, IECEx, SIL 3 per IEC 61508
Detailed content
Functional Features
• Triple Modular Redundancy (TMR) – three processors vote on every output value, eliminating single-point failures
• Hot-swappable – module can be replaced on-line without interrupting the process
• Built-in diagnostics detect open-circuit, short-circuit, over-range, and module failure; status LEDs and alarm relay provided
• Configurable via Triconex TriStation 1131 software; supports scaling, limits, and fail-safe states
• High-speed internal bus delivers deterministic response for dynamic control loops
• Triple Modular Redundancy (TMR) – three processors vote on every output value, eliminating single-point failures
• Hot-swappable – module can be replaced on-line without interrupting the process
• Built-in diagnostics detect open-circuit, short-circuit, over-range, and module failure; status LEDs and alarm relay provided
• Configurable via Triconex TriStation 1131 software; supports scaling, limits, and fail-safe states
• High-speed internal bus delivers deterministic response for dynamic control loops
Application Scenarios
• Petrochemical plants – precise control of distillation column reboilers and compressor anti-surge valves
• Power generation – governor valve positioning for steam turbines and excitation current regulation for generators
• Pharmaceutical & food – reactor temperature loops and batch ingredient dosing
• Water treatment – variable-speed pump control for pressure management
• Metallurgy & mining – furnace fuel flow and slurry density regulation
• Petrochemical plants – precise control of distillation column reboilers and compressor anti-surge valves
• Power generation – governor valve positioning for steam turbines and excitation current regulation for generators
• Pharmaceutical & food – reactor temperature loops and batch ingredient dosing
• Water treatment – variable-speed pump control for pressure management
• Metallurgy & mining – furnace fuel flow and slurry density regulation
Ordering & Support Package
• AO3481 module with front retaining screws
• TriStation 1131 configuration license
• Installation and safety manual (GEB-7022)
• Factory calibration certificate and SIL 3 conformity report
• AO3481 module with front retaining screws
• TriStation 1131 configuration license
• Installation and safety manual (GEB-7022)
• Factory calibration certificate and SIL 3 conformity report
