Description
Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product Model | 3BHT300005R1 (AI825 Analog Input) |
| Manufacturer | ABB |
| Product Category | High-Density Analog Input Module |
| Input Channels | 16 differential |
| Signal Range | ±10V, ±5V, ±1V, 0-20mA, 4-20mA (software-selectable) |
| Resolution | 16-bit (incl. sign) |
| Accuracy | ±0.05% FS @ 25°C |
| HART Support | Yes (per-channel pass-through) |
| Isolation | 1500 VAC channel-to-channel & channel-to-backplane |
| Update Rate | 10 ms/all channels |
| Power Consumption | 1.8W (24VDC nominal) |
| Operating Temperature | -25°C to +70°C |
| Certifications | SIL 2, DNV-GL, ATEX Zone 2 |
| Connection Type | Removable screw terminal (ABB TF10) |
ABB 3BHT300005R1
Product Introduction
The ABB 3BHT300005R1 (AI825) is a critical analog acquisition module within ABB’s Advant Controller 410 series, designed for precision measurement in hazardous industrial environments. This 16-channel input module converts field instrument signals (voltage/current) into digital data for process control systems with laboratory-grade accuracy. As part of ABB’s legacy Advant OCS platform, the 3BHT300005R1 integrates with Master Piece 200/AC 410 controllers to monitor critical parameters like reactor temperatures, tank levels, and flow rates in continuous process industries.
Engineered for mission-critical applications, the module features galvanic isolation exceeding industrial standards – preventing ground loops in refinery cathodic protection systems while enabling HART® communication for smart instrument diagnostics. The ABB 3BHT300005R1 operates reliably in SIL 2 safety loops, with built-in overvoltage protection (up to 240VAC) safeguarding against wiring errors. Its ruggedized design sustains accuracy in vibration-intensive settings such as compressor stations and offshore drilling platforms, making it a cornerstone of ABB’s distributed control architecture since the 1990s with proven longevity.
Core Advantages and Technical Highlights
Metrological Precision: With 16-bit resolution and 50ppm/°C drift compensation, the 3BHT300005R1 maintains ±0.05% full-scale accuracy across industrial temperature ranges. Auto-zero calibration during startup eliminates manual trimming.
Intrinsic Safety Integration: ATEX Zone 2 certification allows direct connection to hazardous areas without external barriers when paired with ABB’s ZS barrier system. Each channel incorporates 0.5W Zener protection.
Advanced Diagnostics: Continuous monitoring detects open wires (<3.5mA), overrange signals (>22.5mA), and HART® device alerts. Faults are timestamped and routed to ABB’s S+ Engineering tools for predictive maintenance.
Legacy System Longevity: Backward-compatible with Advant OCS installations since 1995. Hot-swappable design enables replacement without process interruption. Conformal-coated PCB withstands 95% humidity in pulp mill environments.
Typical Application Scenarios
In ethylene cracker furnaces, the ABB 3BHT300005R1 monitors thermocouple transmitters measuring 1000°C coil temperatures. Its 10ms scan rate detects quenching anomalies faster than DCS-based systems, triggering emergency shutdowns through linked safety controllers.
For offshore gas compression platforms, the module’s DNV-GL certification ensures reliable level measurement in ballast tanks. HART® diagnostics on all 16 channels verify submerged pressure transmitter health without manual calibration dives.
In pharmaceutical bioreactors, the 3BHT300005R1‘s ±0.05% accuracy maintains precise pH control during fermentation. Galvanic isolation prevents stray currents from affecting sensitive cell culture measurements.
ABB 3BHT300005R1
Related Model Recommendations
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3BSE003127R1 (CI532): Communication interface for AC 410
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3BSE008161R1 (TB820): Terminal board for 3BHT300005R1
Installation, Commissioning and Maintenance Instructions
Installation preparation: Verify backplane voltage (5VDC ±5%) before insertion. Use shielded twisted-pair cables (max 100m) with drain wires grounded at DCS end. Apply 25% derating on channels in >60°C environments. Label HART® channels for S+ asset management.
Maintenance suggestions: Annually verify calibration with precision current source (0.01% accuracy). Clean terminal contacts with electronic-grade isopropyl alcohol. Monitor channel drift via S+ Diagnostics; replace if deviation exceeds 0.1%. Store spares in anti-static bags with desiccant.
Service and Guarantee Commitment
ABB provides 10-year extended support for 3BHT300005R1, including lifetime repair (until 2040). All repaired modules undergo 48-hour burn-in testing with full calibration certification traceable to NIST standards.
Global legacy support centers offer firmware recovery and obsolete component replacement. Critical site support includes 72-hour replacement guarantee with advance shipment of tested modules. Customers receive complimentary configuration migration services to ABB’s Symphony Plus platform.
