Description
Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product Model | ABB AO801 |
| Manufacturer | ABB |
| Product Category | Analog Output Module |
| Channels | 8 channels |
| Output Signal Range | 0-20 mA, 4-20 mA, ±10 V |
| Resolution | 16-bit |
| Accuracy | ±0.1% of full scale |
| Load Impedance | ≤ 500 Ω (current), ≥ 1 kΩ (voltage) |
| Isolation | Channel-to-channel & field-to-logic |
| Power Supply | 24 V DC (via backplane) |
| Operating Temp. | -25°C to +70°C |
| Protection Rating | IP20 |
| Compatible Systems | ABB AC500, AC800M, Advant OCS |
ABB AO801
Product Introduction
The ABB AO801 is a high-precision 8-channel analog output module designed for industrial automation systems requiring reliable and accurate signal transmission. Part of ABB’s extensive I/O module portfolio, the AO801 integrates seamlessly with ABB’s AC500 and AC800M PLCs, as well as the Advant OCS distributed control system. It supports current (0-20 mA, 4-20 mA) and voltage (±10 V) outputs, catering to diverse process control applications.
Engineered for harsh industrial environments, the ABB AO801 delivers exceptional signal integrity with 16-bit resolution and ±0.1% accuracy. Its robust design includes galvanic isolation between channels and field-to-logic circuits, ensuring noise immunity and system safety. Whether used in chemical processing, power generation, or manufacturing, the AO801 provides stable performance under extreme temperatures and electrical noise.
Core Advantages and Technical Highlights
High Precision & Stability: The ABB AO801 offers 16-bit resolution and ±0.1% full-scale accuracy, ensuring precise control of actuators, valves, and other analog devices. Its low drift over time minimizes recalibration needs.
Flexible Signal Configuration: Users can select between current (0-20 mA, 4-20 mA) or voltage (±10 V) outputs per channel, adapting to varied industrial instrumentation requirements.
Robust Isolation & Noise Immunity: With channel-to-channel and field-to-logic isolation, the AO801 prevents ground loops and electromagnetic interference, critical for sensitive process control systems.
Wide Temperature Tolerance: Operating reliably from -25°C to +70°C, the module excels in extreme environments, such as oil refineries or outdoor installations.
Easy Integration: The ABB AO801 connects via a standard backplane to ABB PLCs and DCS systems, reducing wiring complexity and commissioning time.
Typical Application Scenarios
The ABB AO801 is widely deployed in industries demanding precise analog control:
Process Industries: Regulates flow valves and pressure transmitters in chemical plants.
Power Generation: Controls turbine governors and exciter systems in power stations.
Water Treatment: Manages pump speeds and chemical dosing in SCADA-based systems.
Manufacturing: Drives servo controllers and variable-frequency drives (VFDs) in assembly lines.
In these scenarios, the AO801 ensures long-term reliability, even in high-vibration or corrosive atmospheres. Its modular design allows for quick replacement, minimizing downtime.
ABB AO801
Related Model Recommendations
ABB AI801: 8-channel analog input module, ideal for pairing with the AO801 in closed-loop systems.
ABB DI801: 16-channel digital input module for status monitoring.
ABB DO801: 16-channel digital output module for relay/actuator control.
ABB PM801: Power supply module for redundant configurations.
ABB CI801: Communication interface module for PROFIBUS integration.
These modules form a cohesive I/O ecosystem for ABB’s AC500 and AC800M platforms.
Installation, Commissioning & Maintenance
Installation Preparation: Mount the ABB AO801 on a DIN rail or backplane in a well-ventilated, dry environment. Verify power supply stability (24V DC) and ground connections to avoid noise. Use shielded cables for analog signals.
Maintenance Suggestions: Periodically calibrate outputs using ABB’s Automation Builder software. Check for loose terminals or environmental contaminants. Replace modules only when powered off to prevent damage.
Service and Guarantee Commitment
ABB guarantees the AO801 with a 24-month warranty, covering defects in materials and workmanship. Global technical support is available for troubleshooting, and firmware updates are provided via ABB’s official portal. Customized training for system integrators ensures optimal deployment.
