Description
ABB AI830A (3BSE040662R1) is an 8-channel RTD analog input module from ABB’s S800 I/O series, optimized for precise temperature measurements in industrial processes.
Product Overview
The AI830A supports 3-wire RTD sensors like Pt100 and Ni100 with on-board linearization to °C or °F.
It includes mains frequency filtering and individual channel diagnostics for noisy environments.

ABB 3BSE040662R1 AI830A
Key Specifications
| Parameter | Details |
|---|---|
| Channels | 8 analog inputs |
| Signal types | 3-wire RTD: Pt100, Cu10, Ni100, Ni120, resistor/potentiometer |
| Resolution | 14-bit |
| Temperature range | -200°C to +800°C (sensor-dependent) |
| Accuracy | ±0.1% full scale typical |
| Isolation | Groupwise isolated from ground |
| Supervision | Open-circuit, short-circuit, grounded sensor |
| LEDs | Fault, Run, Warning; channel errors |
| Operating temp. | 0 to +55°C |
| Dimensions | Width 45 mm, Height 119 mm, Depth 102/111 mm, Weight 0.22 kg |
| Certifications | CE, EN/UL 61010-1, hazardous locations, marine |
| Compatible MTUs | TU810, TU812, TU814, TU830, TU833 |
The datasheet emphasizes robust RTD conversion and error monitoring.
Origin
ABB manufactures this module in Europe for global industrial use.
Applications
-
Temperature control in chemical, power, and manufacturing processes.
-
HVAC and furnace thermal management.
-
DCS precision measurements.

ABB 3BSE040662R1 AI830A
Usage Guide
-
Install with MTU in S800 I/O node.
-
Wire 3-wire RTDs to terminals.
-
Configure sensor types and filters in software.
-
Use LEDs and diagnostics for monitoring.
Technical Notes
Supports error compensation for cable resistance; RoHS compliant.
Similar Models
| Model | Article No. | Description |
|---|---|---|
| AI810 | 3BSE008516R1 | 8-ch analog input (4-20 mA/voltage) |
| AI820 | 3BSE008520R1 | 4-ch high-accuracy analog input |
| AI830 | 3BSE008519R1 | 8-ch RTD/mA input |
| AO810V2 | 3BSE038415R1 | 8-ch analog output |
| DO810 | 3BSE008510R1 | 16-ch 24 V DC digital output |
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