中文版
Description
Technical Specifications
| Product Model | **ABB CTI121-P EX 3BDH000741R1** |
| Manufacturer | ABB (Asea Brown Boveri) |
| Product Type | Hazardous Area Communication Interface (Ex-certified) |
| Input Voltage | 24 VDC ±10% (Isolated) |
| Communication | Profibus DP, Modbus RTU, Ethernet/IP |
| Protection Rating | IP66 (NEMA 4X) |
| Certifications | ATEX Zone 1/21, IECEx, SIL 2 (IEC 61508) |
Key Features & Advantages
The **ABB CTI121-P EX 3BDH000741R1** is an explosion-proof communication gateway designed for hazardous environments. Features galvanic isolation between fieldbus and control systems to prevent ground loops. Integrated surge protection (6 kV) and EMI filtering (EN 61000-6-2) ensure reliable data transmission in high-noise areas. Supports redundant communication paths for fault-tolerant operation. Compatible with ABB’s 800xA DCS for seamless integration of field devices in Zone 1/21 areas.
P72140-4-0788740
Hot-swappable modules enable maintenance without shutdown. Conformal coating option (3BDH000741R101) available for corrosive atmospheres. Meets API RP 554 standards for process interface systems.
Applications
**Oil & gas platforms** for Ex-area instrumentation. **Chemical plants** with flammable vapor zones. **Pharmaceutical facilities** for solvent handling areas. **Grain silos** with combustible dust (Zone 21). **Refineries** integrating SIL 2 safety systems. Also used in **paint booths** and **fuel storage** facilities.
Related Products
**CTI122-P EX**: Redundant Interface.
Installation & Maintenance
**Installation**: Mount in Ex-certified enclosure (e.g., ABB CMA142). Use shielded Belden 3076A cables for fieldbus connections. **Grounding**: Ensure <1 Ω earth connection per IEC 60079-14. **Testing**: Validate intrinsic safety parameters (Ui=30 V, Ii=120 mA). **Maintenance**: Replace surge arrestors every 5 years. Update firmware via 800xA Engineering Studio. Perform annual Ex compliance checks per IEC 60079-17.
Product Assurance
Tested to IEC 60079-0/11 (Ex d/e) and EN 61326 (EMC). 200,000+ hours MTBF. Includes 5-year warranty with 20-year lifecycle support. Complies with NEC 500/505 (Class I Div 1) and ISO 80079-36. ABB’s Global Service offers hazardous area audits and legacy system migration (e.g., replacing Advant® OCS interfaces).
Please contact Sunny sales@xiongbagk.cn for the best price.
➱ sales manager: Sunny
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