Description
Here is the English introduction to the AO650 3BHT300051R1 product:
Core Positioning & Basic Information
- Brand & Series: ABB, S600 I/O Series
- Model: AO650
- Part Number: 3BHT300051R1
- Type: 8-channel, 12-bit, channel-isolated analog output module (AO)

ABB 3BHT300051R1 AO650 analog output 8-channel 12 bit isolation/channel
Key Technical Specifications
1. Channels & Signals
- Number of Channels: 8 independent analog outputs
- Resolution: 12-bit (DAC)
- Signal Types (Software-configurable):
- Current: 0–20 mA, 4–20 mA, ±20 mA
- Voltage: 0–5 V, 0–10 V, 1–5 V, ±10 V
- Isolation: Optically isolated between channels (≥1500V), strong anti-interference capability
- Accuracy: Typical ±0.1% F.S.
- Load Capacity:
- Current output: Max. 750 Ω
- Voltage output: Min. 2 kΩ
2. Power & Physical Attributes
- Power Supply: 24V DC (±10%)
- Dimensions: Approx. 40 × 252 × 273 mm
- Weight: Approx. 1.485 kg
- Mounting: Standard DIN rail or rack installation
- Protection Rating: IP20
3. Environmental & Reliability
- Operating Temperature: 0–60°C
- Storage Temperature: -40–85°C
- MTBF: Industrial-grade high-reliability design for continuous operation
Product Features & Advantages
- High-Precision Signal Conversion
- 12-bit resolution + channel isolation ensures stable, interference-free outputs, meeting process control accuracy requirements.
- Flexible Signal Configuration
- Single module supports multiple current/voltage ranges, software-switchable for compatibility with various actuators.
- Channel-Independent Isolation
- A fault in one channel does not affect others, enhancing system fault tolerance and safety.
- S600 System Compatibility
- Seamlessly integrates with ABB Symphony, 800xA, and other DCS systems for plug-and-play operation.
- Modular Design
- Supports hot-swapping and online maintenance, reducing downtime.
Applications
The AO650 3BHT300051R1 serves as a core field control unit in industrial DCS/PLC systems, converting digital commands from control systems into standard analog signals to drive actuators such as valves, frequency converters, and recorders. Typical application fields include:
- Power Industry
- Elevator Systems
- Parking Systems
- Automotive Manufacturing
- Automotive Component Production
- Feed Industry
- Aluminum Smelting Machinery
- Refrigeration Industry
- Steel Industry
- Combustion Control Systems
- Non-Ferrous Metal Smelting
- Glass Industry
- Construction Machinery
- Textile Machinery
- Water Treatment
This introduction highlights the technical specifications, advantages, and application scenarios of the AO650 3BHT300051R1. Let me know if you need further refinements!

ABB 3BHT300051R1 AO650 analog output 8-channel 12 bit isolation/channel


