ABB 8231
Technical Documentation
8231 Analogue Input Module
Product Code: 8231
Advant Controller Series
Revision: 3.2
General Description
The ABB 8231 is a high-performance analogue input module designed for the Advant Controller series. It provides precise measurement and signal conditioning for a wide range of industrial process variables, ensuring reliable data acquisition in demanding automation environments.
Key Features
- 16-channel analogue input module
- Universal input types (voltage/current/RTD/thermocouple)
- High-resolution 16-bit A/D conversion
- Galvanic isolation between channels
- Automatic signal scaling and linearization
- Diagnostic capabilities with LED indicators
- Hot-swappable design
Technical Specifications
| Power Supply: | 5 VDC from controller |
| Power Consumption: | Max 1.5 W |
| Operating Temperature: | 0°C to +60°C |
| Storage Temperature: | -40°C to +85°C |
| Humidity: | 5% to 95% non-condensing |
| Dimensions (HxWxD): | 120 x 40 x 160 mm |
Input Configuration
| Input Type | Range | Resolution | Accuracy |
|---|---|---|---|
| Current | 0-20 mA, 4-20 mA | 16-bit | ±0.1% of range |
| Voltage | 0-10 V, ±10 V, 0-5 V | 16-bit | ±0.1% of range |
| RTD | Pt100, Pt1000, Cu50 | 16-bit | ±0.2°C |
| Thermocouple | J, K, T, E, R, S, B, N | 16-bit | ±0.5°C |
Electrical Isolation
- Channel-to-channel: 500 V AC
- Channels to backplane: 1500 V AC
- Input circuits: Galvanically isolated
- Common mode rejection: >100 dB
Approval Certifications
- CE
- UL Listed
- CSA Certified
- Atex/IECEx (Zone 2)
- GL (Marine)
- NEMA 4/IP65 when used with appropriate enclosure
Typical Applications
- Process control systems
- Industrial automation
- Power generation and distribution
- Chemical and petrochemical plants
- Pulp and paper industry
- Water and wastewater treatment
- Food and beverage production
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All rights reserved
Document: 8231-DOC-EN
Date: July 2025
