Email: sales@runshengdcs.com
WhatsApp / Wechat：+86 15383419322
Phone：+86 15383419322Description
The ABB 3BHB004661R0101 is a high-reliability PROFIBUS DP/PA Link Module for ABB’s AC 800M DCS platforms, enabling seamless integration of field devices into safety and process control systems. Designed for critical industrial environments, this module acts as a protocol translator between PROFIBUS DP networks (up to 12 Mbps) and PROFIBUS PA field segments (31.25 kbps), providing intrinsic safety via FISCO/Entity models for hazardous areas. The 3BHB004661R0101 features dual-redundant optical DP ports with deterministic <1ms cycle times, certified for SIL 2 applications (IEC 61508). With extended temperature operation (-40°C to +70°C) and galvanic isolation (1500V), it ensures stable communication in oil/gas, chemical, and power generation facilities where signal integrity prevents operational disruptions.
ABB 3BHB004661R0101
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | 3BHB004661R0101 |
| Manufacturer | ABB |
| Product Type | PROFIBUS DP/PA Link Module |
| DP Interface | RS-485 (9.6 kbps–12 Mbps) / Fiber-optic (100 Mbps) |
| PA Interface | IEC 61158-2 (31.25 kbps) |
| Max Devices | 32 PA devices per segment |
| Intrinsic Safety | FISCO/Entity Models (IEC 60079-27/11) |
| Isolation | 1500V DP-to-PA / 2500V field-to-system |
| Redundancy | Dual DP ports (MRP support) |
| Diagnostics | LED status (DP/PA/ERROR) |
| Safety Certification | SIL 2 (IEC 61508) |
| Operating Temperature | -40°C to +70°C |
| Power Supply | 24V DC ±10% (backplane) |
| Power Consumption | 4.8W |
| MTBF | >300,000 hours |
| Certifications | ATEX/IECEx Zone 0, UL, CE |
| Dimensions | 118 x 128 x 112 mm (4.65 x 5.04 x 4.41 in) |
Main Features and Advantages
Deterministic Data Routing:
Sub-millisecond protocol conversion with time-stamped PA data
Dual-clock synchronization (DP master + PA segment controller)
Automatic PA device replacement recognition
Hazardous Area Compliance:
Integrated FISCO power calculation for Ex i/Ex d devices
Entity parameter validation prevents unsafe configurations
Live segment diagnostics for cable faults/ground loops
Cyber-Secure Architecture:
Firmware signature verification with secure boot
Encrypted PA parameterization via GSD files
IEC 62443-3-3 SL2 compliant
High Availability:
Media Redundancy Protocol (MRP) for DP fiber rings
Hot-swappable without network disruption
Automatic PA segment recovery after power loss
Application Field
The ABB 3BHB004661R0101 bridges critical field networks:
Oil & Gas: Tank farm inventory (PA radar gauges) linked to DCS via FISCO
Chemical: SIL 2 pressure/temperature transmitters in Ex zones
Power Generation: Boiler PA flowmeters integrated with turbine control
Pharma: Hygienic PA sensors in CIP/SIP processes
Water Treatment: Profibus PA pH/ORP probes for dosing control
Deployed in Zone 0/1 hazardous areas for FPSO vessels and refinery safety systems.
ABB 3BHB004661R0101
Related Products
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