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Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 3BHB006449R0002 / UNS0881A-P |
| Manufacturer | ABB Automation Products (Now Hitachi Energy) |
| Product Type | Universal Analog Input Module (S800 I/O Family) |
| Compatible Systems | ABB System 800xA, AC 800M Controllers |
| Mounting Base | TB850 (Single-width) or TB851 (Redundant, Dual-width) |
| Channel Count | 8 Independent (Non-multiplexed) |
| Input Signal Types (Software Configurable) | 0–20 mA, 4–20 mA, 0–10 V, ±10 V |
| Resolution | 16-bit |
| Accuracy | ±0.1% of Full Scale (at 25°C) |
| Isolation Voltage | 500 V RMS (Field Side vs. System Side) |
| Response Time | < 10 ms |
| Operating Temperature | 0°C to +60°C |
| Power Supply | 24 V DC (Supplied via I/O Backplane) |
| Communication Interface | S800 I/O Bus (Connects to AC 800M CPU) |
| Protection Class | IP20 (Cabinet Installation Only) |
Main Features and Advantages
Universal Input Configuration for Maximum Flexibility: The ABB 3BHB006449R0002 eliminates the need for multiple dedicated analog modules by supporting both current and voltage input types on each channel. This universal capability allows users to connect a pressure transmitter (4–20 mA), a temperature sensor (0–10 V), and a potentiometer (±10 V) to the same ABB 3BHB006449R0002, significantly simplifying inventory management and reducing the required panel space. For retrofit projects, the ABB 3BHB006449R0002 can accommodate signals from legacy sensors without requiring complete instrumentation replacement, delivering substantial cost savings.
High Precision and Signal Integrity: The ABB 3BHB006449R0002 delivers ±0.1% full-scale accuracy and 16-bit resolution, ensuring that critical process measurements remain reliable over time. Its low temperature drift characteristics, combined with rigorous electromagnetic immunity, enable the ABB 3BHB006449R0002 to maintain measurement fidelity even in harsh industrial environments with significant EMI from adjacent motor drives or welding equipment. The 500 V RMS galvanic isolation between the field side and system side protects sensitive control electronics from ground faults and voltage surges.
Advanced Diagnostics for Predictive Maintenance: The ABB 3BHB006449R0002 incorporates real-time per-channel monitoring that detects open circuits, short circuits, and out-of-range signals. When a fault is identified, the ABB 3BHB006449R0002 provides both visual indication (via channel FAULT LEDs) and system-level alerts through the 800xA asset monitoring framework. This diagnostic capability transforms the ABB 3BHB006449R0002 from a passive data acquisition device into an active participant in condition monitoring, enabling maintenance teams to address developing issues before they cause process interruptions.
Seamless Integration with the ABB Ecosystem: The ABB 3BHB006449R0002 is designed for plug-and-play integration with ABB’s S800 I/O system, mounting onto TB850 or TB851 backplanes with tool-less installation. Configuration through Control Builder M engineering software is straightforward, allowing users to set per-channel ranges, units, and alarm thresholds with minimal effort. The ABB 3BHB006449R0002 also supports online configuration changes without requiring system shutdown, a critical feature for continuous process applications where downtime is costly.
