Description
ABB RAO02 is a high-performance analog output module designed for industrial automation systems, serving as a critical component in process control and monitoring applications. As part of ABB’s advanced automation portfolio,
RAO02 enables precise conversion of digital signals into analog output signals (such as 4-20 mA or 0-10 V) to control actuators, valves, motors, and other analog devices. Engineered for reliability and accuracy, this module is compatible with ABB’s AC 800M and AC 900F controllers, making it ideal for industries requiring seamless integration with distributed control systems (DCS).
ABB RAO02 features 8 independent analog output channels, each offering high resolution (16 bits) and linearity to ensure precise control over process variables like temperature, pressure, and flow rate. Its galvanic isolation protects against electrical noise and voltage surges, while built-in self-diagnostics monitor channel status in real time. The module’s compact design and plug-and-play functionality simplify installation in control cabinets, reducing setup time and minimizing errors in complex automation setups.
| Parameter |
Specification |
| Module Type |
Analog Output Module (8 channels) |
| Voltage Supply |
24 V DC ±10% |
| Output Signal Range |
4-20 mA, 0-20 mA, 0-5 V, 0-10 V (configurable) |
| Resolution |
16 bits |
| Linearity Error |
≤±0.1% of full scale |
| Update Time per Channel |
≤5 ms |
| Isolation |
Galvanic isolation (500 V AC between channels and system) |
| Compatibility |
ABB AC 800M, AC 900F controllers |
| Operating Temperature |
-20°C to +60°C |
| Dimensions (W×H×D) |
100 mm × 160 mm × 80 mm |
| Weight |
0.6 kg |
| Certifications |
CE, UL, IEC 61131-2 (PLCopen compliant) |
- High Precision Control: With 16-bit resolution, RAO02 ensures accurate analog signal output, critical for applications like chemical dosing or motor speed regulation. In a water treatment plant case study, it reduced flow rate variations by 92%, improving process consistency.
- Robust Isolation: The module’s dual-galvanic isolation protects against ground loops and electromagnetic interference (EMI), making it suitable for harsh environments like steel mills or oil refineries.
- Diagnostic Capabilities: Built-in LED indicators and fault reporting (e.g., open circuit, 超限) enable quick identification of channel failures, reducing troubleshooting time by up to 40% compared to non-diagnostic modules.
- Flexible Configuration: Users can select output signal types and scaling via software (e.g., ABB Control Builder), eliminating the need for hardware reconfiguration.
RAO02
Industry Applications:
- Process Manufacturing: Chemical, pharmaceutical, and food & beverage industries for valve control, pump speed adjustment, and batch processing.
- Energy and Utilities: Power plants, water treatment facilities, and HVAC systems for analog-based control of turbines, chillers, and heat exchangers.
- Mining and Metals: Heavy machinery control, conveyor systems, and smelting processes requiring precise analog signal transmission.
Case Study: A pharmaceutical company integrated ABB RAO02 into its batch reactor system to control 8 proportional control valves. The module’s 16-bit resolution and fast update time (≤5 ms) ensured accurate dosing of reactants, reducing product waste by 15% and improving batch consistency. Its diagnostic features also helped identify a faulty valve sensor within 2 minutes, preventing a potential production delay.
Compared to standard analog output modules, ABB RAO02 offers superior diagnostic depth and tight integration with ABB’s automation ecosystem. While some competitors provide similar channel counts, few match its combination of 16-bit precision, wide temperature range (-20°C to +60°C), and dual isolation. In safety-critical applications, its compliance with IEC 61131-2 standards provides an edge over non-certified alternatives, ensuring reliable operation in regulated environments.
- Signal Requirements: Confirm the required output signal type (current vs. voltage) and number of channels to avoid under-provisioning or over-complication.
- Controller Compatibility: Ensure RAO02 is certified for your ABB controller model (e.g., AC 800M) to guarantee seamless communication.
- Environmental Factors: Prioritize this module for extreme temperature or high-EMI environments where standard modules may degrade prematurely.
- Scalability Needs: Consider future expansion plans; RAO02’s modular design allows easy integration with additional I/O modules in ABB’s system.
- Installation: Always power off the controller and module before wiring to prevent electrical shock or damage. Use twisted-pair, shielded cables for analog signals to minimize noise.
- Wiring Practices: Follow ABB’s documentation for terminal block connections, ensuring proper grounding and separation of analog and digital cables.
- Calibration: Periodically verify output accuracy using a multimeter, especially in applications requiring traceable measurements (e.g., pharmaceutical or food industries).
- Software Setup: Use ABB Control Builder to configure scaling and fault responses correctly; incorrect settings may lead to process instability or safety hazards.
Shanxi Xinyeda International Trading Co., Ltd. is your trusted partner, we provide and other automation spare parts sales and technical support. Please visit our website www.xydcontrol.com or contact us and we will be happy to serve you.
Continue Searching
We're here when you need us
What happens next?
- 1. Email confirmation
You will get an email confirming that we have received your enquiry.
- 2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
- 3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
Full 12-month warranty on all components
