Product Short Description
Product Introduction
The ABB AO801 is a high-performance, industrial-grade analog output module belonging to ABB’s S800 I/O series, designed for seamless integration with ABB Freelance, AC 800M, and System 800xA distributed control systems (DCS)ABB. It converts digital control signals from the controller into precise analog current/voltage signals to drive industrial actuators (e.g., control valves, variable frequency drives, transmitters). Built for harsh industrial environments, it delivers stable, accurate, and fast-response analog output for critical process control applications across multiple industries.
Description
Technical Specifications
Basic Parameters
- Module Type: 8-channel isolated analog output module
- Power Supply: 24 V DC (±10% tolerance)
- Current Consumption: +5 V Modulebus: 70 mA; +24 V external: 200 mA
- Dimensions (W×H×D): 58.5 mm × 102 mm × 86.1 mm
- Net Weight: 0.24–0.3 kg
- Protection Rating: IP20
- Environmental Rating: IEC 60068-2-64 (vibration: 5–500 Hz, 2 g)
Output Performance
- Output Signals: 4–20 mA DC current; 0–10 V DC voltage (1–5 V optional)
- Resolution: 16-bit D/A converter
- Accuracy: ±0.1% of full scale (FS)
- Linearity Error: <0.05% FS
- Response Time: <1 ms
- Isolation Voltage: 2500 V AC (channel-to-channel, channel-to-system)
- Max Output Current: 20 mA per channel
Wiring & Terminals
- Wire Compatibility: Solid: 0.05–2.5 mm² (30–12 AWG); Stranded: 0.05–1.5 mm² (30–12 AWG)
- Torque: 0.5–0.6 Nm
- Stripping Length: 6–7.5 mm (0.24–0.30 inch)
Certifications & Standards
- EMC Compliance: IEC 61000-4 series
- Electrical Safety: EN 61010-1, UL 61010-1
- CE Marking: Certified
Operating Environment
- Operating Temperature: -25°C to +70°C
- Storage Temperature: -40°C to +85°C
- Humidity: 5–95% RH (non-condensing)
Functional Features
1. Flexible Signal Configuration
- 8 Independent Channels: Each channel supports software-configurable output type (4–20 mA / 0–10 V) and adjustable range without hardware modification.
- Universal Compatibility: Adapts to diverse industrial actuators and field devices.
2. High Precision & Fast Response
- 16-bit Resolution: Delivers ultra-fine signal granularity for precise process regulation.
- Sub-1ms Response: Rapidly tracks controller commands, ideal for high-speed closed-loop control.
- Low Drift: Maintains stable output accuracy over wide temperature and voltage variations.
3. Industrial-Grade Isolation & Anti-Interference
- 2500V AC Isolation: Eliminates ground loops and suppresses common-mode/differential noise.
- EMC Robustness: Operates reliably in high-interference environments (e.g., near motors, VFDs).
- Signal Shielding: Prevents signal distortion in complex industrial setups.
4. Comprehensive Diagnostics & Protection
- Channel-Level Monitoring: Real-time detection of short circuits, overcurrent, open circuits, and module faults.
- Status Indicators: Front-panel LED for module run/fault status; system-level diagnostics for channel errors.
- Fault Safety: Auto-switches to pre-set safe state on fault detection to protect equipment.
- Short-Circuit Protection: Built-in overcurrent protection for each output channel.
5. Easy Integration & Scalability
- Seamless DCS Integration: Works natively with ABB Freelance, AC 800M, and System 800xA via Profibus DPABB.
- Modular Design: Supports hot-swapping and easy expansion with other S800 I/O modulesABB.
- DTM/GSD Compatibility: Simplifies configuration and commissioning via standard toolsABB.
Application Scenarios
1. Oil & Gas Industry
- Refinery Process Control: Precise control of distillation columns, catalytic crackers, and pipeline pressure regulating valves.
- Offshore Platforms: Actuator control for wellhead monitoring, separator level, and flow regulation in harsh marine environments.
2. Chemical & Petrochemical
- Reactor Temperature/Pressure Control: Fast-response analog output for precise regulation of exothermic/endothermic reactions.
- Liquid Flow & Level Control: Drives control valves for constant-flow and liquid-level systems in chemical plants.
3. Power Generation
- Boiler & Turbine Control: Analog output for steam pressure, temperature, and feedwater flow regulation in thermal power plants.
- Renewable Energy: Coordinates wind turbine pitch control and solar inverter output regulation.
4. Water & Wastewater Treatment
- Pump & Valve Control: Regulates flow rates for water distribution, filtration, and sewage treatment processes.
- pH & Dissolved Oxygen Control: Drives dosing pumps for precise chemical adjustment.
5. Manufacturing & Metals
- Steel Production: Controls rolling mill speed, furnace temperature, and hydraulic actuators.
- Food & Beverage: Precise regulation of mixing, filling, and packaging line actuators.
6. Building Automation & HVAC
- Chiller & Boiler Control: Analog output for variable-speed drives and valve actuators in large-scale HVAC systems.
- Environmental Control: Regulates air handling units and humidity control systems.







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