ABB AO650 3BHT300051R1 Analog Output Module

1. Product Overview

The ABB AO650 (3BHT300051R1) Analog Output Module is used in ABB 800xA, Advant, and AC800M control systems. It converts digital control signals into analog outputs to drive actuators, valves, VFDs, and other field devices. With high accuracy and strong noise immunity, the AO650 is ideal for demanding industrial automation and process control applications.

2. Technical Specifications

General

• Model: AO650

• Ordering Code: 3BHT300051R1

• Module Type: Analog Output Module

• Channels: 8 channels

Output Specifications

• Signal Types:

  • 4–20 mA

  • 0–20 mA

  • 0–10 V (system dependent)

• Resolution: ≥12-bit

• Accuracy: <±0.1% (typical)

• Load Capacity: up to 500 Ω (current mode)

• Isolation: galvanic isolation between field and system bus

Electrical

• Isolation Voltage: 500–1500 V

• Power Consumption: ≤5W

• Communication: via system backplane

Environmental

• Operating Temperature: –20°C to +55°C

• Storage: –40°C to +85°C

• Humidity: 5–95% non-condensing

• Mounting: DIN rail or system rack

3. Features & Advantages

1. High-precision analog output for accurate process control.

2. Excellent noise immunity for harsh industrial environments.

3. High-density 8-channel design saves panel space.

4. Modular installation and easy maintenance.

5. Fully compatible with ABB 800xA and AC800M controllers.

6. Flexible current/voltage output options.

4. Application Areas

• DCS/PLC control systems

• Oil & gas, chemical, and petrochemical plants

• Power generation systems

• Actuator and VFD control

• Water treatment and environmental automation

• Manufacturing process control

• HVAC and industrial regulation systems

5. Precautions & Maintenance

1. Verify signal type and load before wiring.

2. Ensure proper grounding and shielding.

3. Avoid wiring while powered unless supported by system.

4. Inspect terminals regularly for corrosion or looseness.

5. Use shielded cables for long-distance connections.

6. Do not exceed rated load.

7. Keep cabinet dry and clean to prolong module life.

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