Product Details
Key Features & Specifications
Key Advantages
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High Precision: With 14-bit resolution and ±0.1% accuracy, the AO810 ensures that the controller's calculated output value is faithfully reproduced at the field device .
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Hot-Swap Support: Modules can be replaced without powering down the system, minimizing downtime in critical applications .
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Robust Diagnostics: Built-in open-circuit and short-circuit detection, combined with LED status indicators, enables rapid fault identification and troubleshooting .
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OSP (Output Set to Predetermined): In case of communication failure, the module can be configured to output a predefined safe value, preventing runaway actuators and ensuring process safety .
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S800 I/O Integration: Fully integrated into the ABB S800 I/O ecosystem, compatible with AC 800M controllers, System 800xA, and Freelance DCS platforms .
Recommended ABB Comparable Products
Product Family Notes :
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AO810V2 (3BSE038415R1): Direct 1:1 hardware upgrade for the original AO810, enhanced diagnostics and reliability.
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AO845A / AO820: HART-enabled analog output modules (require TU812/TU814 base for HART activation).
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AO801: Lower-cost 8-channel AO option, cost-effective alternative.
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AI810 / AI815: 8-channel analog input modules — companion modules for complete I/O solutions.
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AI830A / AI835A: 8-channel RTD/TC input modules, share the same slot type.
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TU810 / TU812 / TU814 / TU833: Termination units required for mounting AO810 and other S800 I/O modules.
FAQ
Q1: What is the ABB AO810 analog output module used for?
A: The AO810 converts digital control signals from the controller (e.g., AC 800M) into standard industrial analog signals (4-20 mA or 0-10 V) to drive field devices such as control valves, actuators, and variable frequency drives. It is essential for closed-loop process control applications in industries like oil & gas, chemical, power generation, and water treatment .
Q2: What are the key technical specifications of the AO810?
A: The AO810 offers 8 unipolar analog output channels supporting 0-20 mA, 4-20 mA, and 0-10 V signals. Key specifications include: 14-bit resolution, ±0.1% accuracy, ≤2 ms update time, output load capacity up to 850 Ω (with L2+ supply), operating temperature range 0°C to +55°C, and IP20 protection rating. It weighs approximately 0.18–0.22 kg and has dimensions of 45 mm × 119 mm × 102 mm .
Q3: Which termination units are compatible with the AO810?
A: The AO810 is compatible with the following ABB termination units: TU810, TU812, TU814, TU830, and TU833. These units provide the physical mounting and electrical connection for the module in the S800 I/O rack .
Q4: Can the AO810 be replaced while the system is running?
A: Yes, the AO810 supports hot-swapping when used with compatible termination units and system configurations. This allows the module to be replaced without powering down the entire system, minimizing production downtime. However, it is recommended to set the output channel to "manual mode" or a safe state before removal to prevent unintended actuator movement .
Q5: What diagnostics does the AO810 provide?
A: The AO810 is equipped with comprehensive onboard diagnostics, including:
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Open-circuit detection: Alerts when a field wiring loop is broken (when output current >1 mA)
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Short-circuit protection: Automatically limits current and recovers after fault removal
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Module fault/error reporting: Monitors internal hardware and power supply status
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OSP (Output Set to Predetermined): On communication or power failure, the module can be configured to output a predefined safe value (Hold, 0 mA, or custom setpoint) to ensure process safety. Faults are reported via LED indicators and system diagnostics
