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Phone：+86 15383419322Description
The ABB 3BHE027632R0101 is a SIL 3 certified High Integrity Analog Input Module designed for ABB’s S800 I/O system, delivering ultra-reliable signal acquisition for critical safety instrumented systems (SIS). Engineered for triple modular redundant (TMR) architectures, this module provides three independent measurement channels per input with continuous diagnostics and hardware voting to prevent dangerous failures. The 3BHE027632R0101 accepts 8 channels of 4-20mA/HART signals with 0.05% accuracy and galvanic isolation between channels, backplane, and field connections. It executes comprehensive self-tests including ADC validation, watchdog timers, and cross-channel comparison to achieve >99% diagnostic coverage for safety applications. Integrated into ABB’s 800xA and Advant systems, the ABB 3BHE027632R0101 enables seamless integration of safety and process control while meeting IEC 61508 and IEC 61511 requirements for nuclear, chemical, and oil & gas safety shutdown systems. Its hot-swappable design maintains process availability during maintenance.
ABB 3BHE027632R0101
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | 3BHE027632R0101 |
| Manufacturer | ABB |
| Product Type | Safety Analog Input Module (S800 I/O) |
| Channels | 8 (triplicated TMR architecture) |
| Input Signal | 4-20mA with HART 7 pass-through |
| Accuracy | ±0.05% of span @ 25°C |
| Diagnostic Coverage | >99% (SIL 3) |
| Response Time | 50 ms per channel (typical) |
| Isolation | 1500V AC channel-to-channel, 2500V AC field-to-logic |
| HART Compliance | HART 7 FSK/PSK |
| Common Mode Rejection | 140 dB @ 50/60 Hz |
| Safety Certification | SIL 3 (IEC 61508), SC 2 (IEC 61513) |
| Operating Temperature | -40°C to +70°C |
| Connection | Dual-redundant FTA connectors |
| MTTFd | >250 years |
| Hardware Fault Tolerance | 2 (HFT) |
Main Features and Advantages
Ultimate Safety Integrity: Triple-redundant measurement circuits with continuous “2oo3” voting ensure fail-safe operation. Automatic drift compensation and cross-channel validation detect faults within one scan cycle, meeting SIL 3 requirements for nuclear safety systems.
Advanced Diagnostics: On-chip hardware watchdogs monitor ADC integrity, while signal plausibility checks identify transducer failures. The 3BHE027632R0101 generates detailed failure mode analysis accessible via Control Builder Safe.
HART-enabled Intelligence: Simultaneous analog measurement and digital HART communication enable predictive maintenance without additional wiring. Full HART 7 support includes burst mode and multivariable data extraction.
Seismic Resilience: Certified for IEEE 344 seismic requirements (5g sinusoidal vibration), making it suitable for nuclear power plant safety systems where earthquake resistance is mandatory.
Cyber-Secure Design: Hardware-enforced firmware signature verification prevents unauthorized code modifications. Communication integrity checks with 32-bit CRCs ensure data validity.
Application Field
The ABB 3BHE027632R0101 is deployed in industries where functional safety is non-negotiable:
Nuclear Power: Monitors reactor coolant pressure, containment radiation levels, and emergency core cooling injection in SIL 3 safety channels
Oil & Gas: Safeguards offshore platforms with HIPPS (High Integrity Pressure Protection) and subsea ESD valve position feedback
Chemical Processing: Protects against runaway reactions in polymer reactors through redundant temperature/pressure monitoring
Pharmaceuticals: Ensures sterility maintenance in vaccine production isolators with GMP-compliant safety interlocks
Power Generation: Secures boiler drum level measurements in coal-fired plants where measurement failure could cause explosions
The 3BHE027632R0101‘s radiation-hardened design (100 kRad tolerance) supports nuclear decommissioning robotics and particle accelerator facilities.
ABB 3BHE027632R0101
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