Basic Information

• Product Model: ABB AO523
• Product Category: Analog Output Module (DCS I/O Module)
• Manufacturer: ABB Automation
• Application Scope: Industrial process control systems (compatible with ABB AC 800M/DCS systems), used for converting digital control signals to analog output signals to drive actuators, valves, etc.

Technical Specifications

1. Output Channels: 4 independent analog output channels
2. Output Signal Type: 4–20 mA DC (standard); 0–10 V DC (configurable per channel)
3. Output Accuracy: ±0.1% of full scale (FS) at 25°C
4. Load Capacity: Maximum 600 Ω (for 4–20 mA signal); Minimum 10 kΩ (for 0–10 V signal)
5. Operating Conditions: Temperature range -20°C to +60°C; Humidity 5%–95% (non-condensing)
6. Power Supply: 24 V DC ±10%; Typical current consumption ≤ 0.2 A
7. Protection & Certifications: Short-circuit protection; Compliance with IEC 61131-2, CE, UL standards

Core Functions & Features

• High-precision analog signal output, ensuring stable control of industrial actuators and valves
• Channel-independent configuration, supporting mixed use of different output signal types
• Built-in fault self-diagnosis and status indication (LED lights for power, channel fault), facilitating maintenance
• Modular design, easy to install, replace and expand in DCS systems
• Seamless integration with ABB 800xA control system, simplifying parameter configuration and debugging
• Robust anti-interference performance, adapting to complex industrial electromagnetic environments