Product Overview
The AI845-eA (Product ID: 3BSE023675R2) is a high-performance, 8-channel analog input module specifically designed for the ABB S800 I/O system. Engineered for high-availability environments, the AI845-eA (3BSE023675R2) supports redundant configurations, providing a fault-tolerant interface for critical process variables. It is capable of processing a diverse range of signals, including 0-20 mA current, 0-10 V voltage, and RTD temperature sensors (Pt100, Ni100). With integrated HART pass-through capabilities (when used with compatible software), this module serves as a bridge for both process data and intelligent device diagnostics. Its galvanic isolation and ±0.1% typical accuracy ensure that the AC 800M or Symphony Plus controller receives precise, interference-free digital representations of field conditions, maintaining the highest levels of system expertise and trustworthiness.
Detailed Technical Specifications
| Feature | Specification |
| Manufacturer | ABB |
| Model Number | AI845-eA |
| Product ID | 3BSE023675R2 |
| Input Channels | 8 isolated analog input channels |
| Redundancy | Supported (can be used in redundant pairs) |
| Signal Range (Current) | 0 (4) to 20 mA |
| Signal Range (Voltage) | 0 to 10 VDC |
| RTD Support | Pt100, Ni100, Ni120, Cu10 |
| Resolution | 12 bits plus sign |
| Accuracy | ±0.1% (typical at 25°C) |
| Update Cycle Time | 150 ms + 9 ms per enabled channel |
| HART Communication | Supported (Pass-through) |
| Isolation | Channel-to-channel and channel-to-system |
| Power Dissipation | 2.5 W (Typical from 24 VDC supply) |
| Dimensions | 45 mm x 119 mm x 71 mm (Net) |
| Shipping Weight | 0.34 kg |
| Termination Units | TU834, TU844, TU845, TU854 |
What's clients say about us
Excellent Emergency Support!
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Mark Thompson
Maintenance Manager, USAReliable Source for New Spares
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
Robert Hoffmann
Engineering Lead, GermanyTop-tier Service and Quality
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.
Lucas Müller
Operations Director, GermanyRelated Products
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Guide
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