ABB AI810 3BSE008516R0001 S800

The ABB AI810 (3BSE008516R0001) is an S800 I/O series analog input module designed for ABB’s distributed control and process automation systems, especially within the ABB System 800xA and AC 800M controller environments. It provides reliable acquisition of field analog signals and converts them into digital data for control, monitoring, and process optimization applications.

As a standard analog input module in the S800 family, AI810 is positioned as a general-purpose process signal interface, suitable for connecting transmitters, sensors, and measurement instruments in industrial plants.

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2. Core Functions

Analog Signal Acquisition

AI810 receives continuous analog signals from field devices, supporting:

• 0…20 mA
• 4…20 mA
• 0…10 V DC
• 2…10 V DC

These signals are converted into digital values for processing by the control system.

Multi-Channel Measurement

The module provides:

• 8 analog input channels
• Single-ended unipolar input configuration
• One isolated group of 8 channels

This allows multiple process variables to be monitored through a single compact I/O module.

Signal Conditioning and Protection

Built-in functions include:

• Input signal filtering
• Short-circuit protection
• Over-voltage protection
• Stable measurement conversion

The current input circuit can withstand transmitter supply short circuits up to approximately 30 V DC without damage.

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3. Design Features

Compact S800 Modular Architecture

AI810 follows the ABB S800 modular I/O concept:

• Plug-in module design
• Easy replacement and maintenance
• Integration with S800 communication interfaces
• Compatible with multiple Module Termination Units (MTUs)

Supported MTUs include TU810, TU812, TU814, TU818, TU830, TU833, TU835, TU838, and TU850.

High Measurement Stability

Key characteristics:

• 12-bit signal resolution
• Maximum measurement error approximately 0.1%
• Low temperature drift
• Fast update cycle

These features support accurate process monitoring in demanding industrial environments.

Industrial Reliability

The module is designed for continuous operation in applications requiring:

• High availability
• Long service life
• Stable signal transmission
• Easy field maintenance

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4. Hardware Composition

The AI810 module mainly consists of:

Analog Input Circuit

Responsible for:

• Receiving current/voltage signals
• Signal conditioning
• Analog-to-digital conversion

Processing Electronics

Includes:

• Internal signal processing circuitry
• Diagnostic functions
• Communication interface with the S800 backplane

Terminal Interface

Works together with S800 MTUs for:

• Field wiring connection
• Sensor power distribution
• Simplified cabinet installation

Mechanical Structure

Typical specifications:

Item	Specification
Product family	ABB S800 I/O
Module type	Analog Input
Channels	8
Signal type	Single-ended unipolar
Resolution	12 bit
Input range	0/4–20 mA, 0/2–10 V DC
Isolation	Group isolated from ground
Power consumption	Approx. 1.5 W
Weight	Approx. 0.2 kg
Width	45 mm

 

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5. Typical Applications

ABB AI810 is commonly used in:

Power Generation

• Boiler monitoring
• Turbine auxiliary systems
• Generator condition monitoring
• Cooling and lubrication systems

Oil & Gas

• Pressure transmitter inputs
• Flow measurement
• Level monitoring
• Temperature transmitter acquisition

Chemical & Process Industries

• Reactor monitoring
• Valve feedback measurement
• Process parameter control

Water Treatment

• Flow sensors
• Pressure sensors
• Chemical dosing monitoring

Manufacturing Automation

• Machine condition monitoring
• Analog sensor integration
• Production process control

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6. Maintenance Considerations

Wiring Inspection

Regularly check:

• Terminal connections
• Shield grounding
• Signal cable condition
• Sensor power supply stability

Signal Verification

Common troubleshooting points:

• Incorrect 4–20 mA loop wiring
• Sensor calibration errors
• Excessive electrical noise
• Grounding problems

Module Replacement

When replacing AI810:

1. Confirm controller compatibility
2. Verify MTU type
3. Check module addressing/configuration
4. Perform I/O channel testing after installation

Environmental Checks

Maintain:

• Proper cabinet ventilation
• Stable power supply
• Protection from moisture and dust

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7. Overall Evaluation

The ABB AI810 3BSE008516R0001 is a mature and widely used S800 analog input module with a strong balance of reliability, compatibility, and maintainability. Its 8-channel design, support for standard industrial analog signals, and integration with ABB System 800xA make it a practical choice for process automation applications.