ABB AO2040 4-Channel Analog Output Module 16-bit 4-20mA 0-10V for DCS PLC Systems
ABB AO2040 high-precision 4-channel analog output module, 16-bit resolution, 4-20mA / 0-10V signals, industrial automation DCS PLC control, wide temp -20°C~+60°C.
Product Overview
ABB AO2040 is a high-performance 4-channel analog output module designed for industrial automation and distributed control systems (DCS/PLC). It provides stable, high-precision analog signal output to control valves, actuators, transmitters and other field devices, ensuring accurate process regulation in demanding industrial environments.
Key Specifications
- Brand: ABB
- Model: AO2040
- Product Type: Analog Output Module (AO)
- Channels: 4 independent analog outputs
- Output Signals:
- Current: 0–20 mA / 4–20 mA
- Voltage: 0–10 V / -10 V–+10 V
- Resolution: 16-bit high-resolution conversion
- Accuracy: ±0.05%–±0.1% full scale
- Load Capacity: Up to 750Ω (current output)
- Power Supply: 24 V DC external power
- Isolation: Channel-to-channel galvanic isolation
- Operating Temperature: -20°C to +60°C
- Dimensions: Compact modular design (standard DIN rail mount)
- Certifications: CE, ATEX (optional), EMC compliant
- Condition: New Original / Refurbished
Warranty: 12 Months
Key Features
High Precision & Stability: 16-bit resolution ensures ultra-fine signal control, minimal drift, and consistent performance.
Multi-Signal Flexibility: Supports both current (4–20mA) and voltage (0–10V) outputs for universal device compatibility.
Industrial Robustness: Wide temperature range, strong anti-interference, and isolation for harsh factory environments.
Easy Integration: Seamlessly connects with ABB 800xA, AC 900F, Freelance, and third-party PLC systems.
Plug-and-Play: Simple DIN rail mounting, quick wiring, and auto-diagnostics for fast setup.
Real-Time Diagnostics: Built-in status monitoring for fault detection, reducing downtime and maintenance effort.
Typical Applications
Process control valves & actuators (oil & gas, chemical, petrochemical)
Temperature & pressure regulation in boilers, reactors, furnaces
Flow control in water treatment, pumping stations, pipelines
Factory automation: conveyor speed, motor drives, robotics
Power generation: turbine control, generator excitation systems
Pharmaceutical & food processing: precise dosing and mixing
Mining & metal processing: furnace and rolling mill control
About us
Guizhou Yuanmiao Automation Equipment Co., Ltd. is a professional supplier engaged in industrial automation spare parts and international trade. We mainly supply genuine DCS systems, PLC modules, synchronous relays, servo drives, robot spare parts and other widely used control components.
We focus on world-famous brands such as ABB, Siemens, Woodward, Bently, GE and others. With reliable overseas sourcing, fast delivery and quality guarantee, we provide global customers with cost-effective products and professional foreign trade services.
Our products are widely used in power plants, substations, oil and gas, metallurgy, data centers, marine and manufacturing industries. We are committed to becoming a trustworthy one-stop partner for industrial automation spare parts.













