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AI845 3BSE023675R1 | ABB 8-Channel HART Analog Input Module
The ABB AI845 (3BSE023675R1) is an 8-channel analog input module designed for ABB S800 I/O and AC 800M / System 800xA automation systems. It acquires analog field signals from transmitters and sensors, converts them into digital data, and supports HART communication with compatible smart field devices.
This module supports single or redundant operation and provides current-limited transmitter power distribution for each channel. It is commonly used in process control applications where analog measurement and HART device diagnostics are required.
- 8 analog input channels — single-ended, single-polarity
- Supports 0/4–20 mA and 0/1–5 V DC signals
- HART communication support for compatible smart transmitters
- 12-bit resolution for stable process measurement
- Current-limited transmitter power distribution per channel
- Advanced on-board diagnostics including channel status monitoring
- Single or redundant operation with TU844 / TU845 termination units
- Compatible with ABB S800 I/O, AC 800M and System 800xA systems
- Pressure, flow and level transmitter input
- HART-enabled smart instrument integration
- DCS and PLC analog input expansion
- System 800xA and AC 800M process control projects
- Redundant analog input applications for critical loops
- Spare module stocking for power, chemical and water treatment plants
| Item | Details |
|---|---|
| Product Name | ABB AI845 Analog Input Module |
| Order Code | 3BSE023675R1 |
| Brand | ABB |
| Product Family | S800 I/O |
| Product Type | 8-Channel HART Analog Input Module |
| Input Signals | 0/4–20 mA, 0/1–5 V DC, single-ended |
| Channels | 8 analog inputs |
| Resolution | 12-bit |
| Accuracy | ±0.1% of span typical; verify per official datasheet |
| HART Support | HART pass-through communication with compatible transmitters |
| Transmitter Power | Current-limited 24 V DC per channel |
| Isolation | Group isolation from system backplane; verify rated voltage per datasheet |
| Redundancy | Supported with TU844 / TU845 termination units |
| Installation | S800 I/O rack / DIN-rail mounted with compatible TU/TB termination unit |
| Environment | IP20 typical for control cabinet installation |
Allows integration with smart field devices while maintaining standard analog signal acquisition.
Suitable for critical process loops requiring higher availability.
Reduces external wiring by providing current-limited 24 V DC power per channel.
Widely used in ABB System 800xA, AC 800M and distributed I/O applications.
- 1 × ABB AI845 Analog Input Module
- Order code: 3BSE023675R1
- Original packaging, if available
- Standard export packing for safe delivery
We supply ABB S800 I/O modules for global industrial automation projects. Please contact our sales team with your required quantity, destination country, controller type and termination unit model. We can assist with product confirmation, lead time and available documentation.
AI845 and AI810 are both 8-channel analog input modules, but AI845 adds HART support and redundancy capability. Replacement depends on the termination unit, controller configuration and application requirements.
AI845 can be used with S800 I/O termination units including TU810, TU812, TU814, TU818, TU830, TU833, TU835, TU838, TU844, TU845 and TU854, depending on the application.
Yes. Redundant operation is supported when installed with TU844 or TU845 termination units.
We can provide available product information upon request. For official specifications, always refer to the ABB datasheet or authorized documentation.
ABB 8-Channel HART Analog Input Module
,ABB AI845 Analog Input Module
,ABB Module Parts 8-Channel HART
Miss. Liliya
- Email: massive2026168@gmail.com
- Tel: +65 8056 0440
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WhatsApp:
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