HIMA X-SB01 985210207 | HIMax System Bus Module
Redundant system bus module for HIMax safety controllers, enabling high-speed data exchange between CPU and I/O modules with SIL 3 certification, ensuring fault-tolerant communication in critical industrial SIS applications
1. Product Overview
The HIMA X-SB01 985210207 is a redundant system bus module specifically designed for HIMax safety controller racks, serving as the core communication backbone for high-speed, fault-tolerant data transfer between HIMax CPUs, I/O modules, and other system components in SIL 3-rated safety-instrumented systems (SIS). It features dual redundant system bus interfaces with automatic failover, ensuring uninterrupted communication even if one bus path fails, and supports a data transfer rate of up to 100 Mbps for real-time safety-critical data exchange. The module is hot-swappable for tool-free replacement without system shutdown, equipped with comprehensive status monitoring (Power, Fault, Bus Activity) LEDs, and complies with IEC 61508 SIL 3, TÜV SÜD certification. Operating in a temperature range of -25°C to +60°C, with IP20 front-panel protection and industrial-grade electromagnetic compatibility (EMC), it is ideal for harsh industrial environments including oil & gas refineries, chemical plants, power generation facilities, and manufacturing plants where reliable, fault-tolerant communication is mission-critical for SIS integrity.
Key Specifications
• Model: X-SB01 (985210207) | HIMax Redundant System Bus Module
• Compatibility: HIMA HIMax safety controller racks (all standard HIMax chassis models)
• Bus Type: Dual redundant system bus (A/B channels) with automatic failover
• Data Transfer Rate: Up to 100 Mbps for real-time safety-critical data exchange
• Power Supply: 24 V DC ±10% (redundant dual input); Power Consumption: ≤0.65 A at 24 V DC
• Operating Temperature: -25°C to +60°C (-13°F to +140°F); Storage: -40°C to +85°C (-40°F to +185°F)
• Protection Rating: IP20 (front panel); EMC compliant with IEC 61000-6-2/6-4
• Status Monitoring: 4 LED indicators (Power OK, Bus A Activity, Bus B Activity, Module Fault) for real-time diagnostics
• Mechanical: Hot-swappable (tool-free); Dimensions: 310mm × 29mm × 230mm; Net Weight: 0.8 kg
• Certifications: IEC 61508 SIL 3, IEC 61511, TÜV SÜD approved, CE, RoHS compliant
2. Core Features
• SIL 3 Compliance: Certified to IEC 61508 SIL 3 standards, ensuring compatibility with critical HIMax SIS configurations
• Redundant System Bus: Dual A/B bus channels with automatic failover, eliminating single points of failure in communication
• Hot-Swappable Design: Tool-free replacement without system shutdown, minimizing maintenance downtime for 24/7 operations
• High-Speed Data Transfer: Up to 100 Mbps bus rate for real-time exchange of safety-critical data between CPUs and I/O modules
• Comprehensive Status Monitoring: 4 LED indicators for instant visual confirmation of power, bus activity, and module health
• Redundant Power Input: Dual 24 V DC power inputs prevent communication interruption during single power source failure
• Industrial-Grade EMC: Compliant with IEC 61000-6-2/6-4 for reliable operation in electrically noisy environments
• Wide Temperature Range: -25°C to +60°C operating range for reliable performance in extreme industrial climates
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3. Typical Applications
• Oil & Gas: Offshore platform ESD systems, pipeline SIS racks, refinery process safety controllers requiring redundant communication
• Chemical & Petrochemical: Reactor safety shutdown systems, toxic gas monitoring SIS, batch process control racks with high data throughput
• Power Generation: Turbine protection system racks, nuclear power plant safety I/O cabinets, renewable energy SIS with critical data exchange
• Manufacturing: Automotive assembly line safety interlocks, packaging machine SIS, robot cell safety controllers needing fault-tolerant communication
• Water & Wastewater: Treatment plant SIS racks, pump station safety control systems, flood prevention SIS with redundant communication paths
4. Installation & Maintenance
Installation: Align with HIMax chassis system bus slot; push firmly until latch clicks (tool-free); connect redundant 24 V DC power inputs; verify Power LED illumination and Bus A/B Activity indicators.
Maintenance: Weekly: Inspect LED status and bus activity; Monthly: Check redundant power input integrity; Annual: Test bus failover functionality and module health; replace module if Fault LED is active.
Safety Notes: Perform hot-swap only when redundant power is active; ensure proper grounding for EMC compliance; replace module immediately if Module Fault LED persists to maintain SIL 3 compliance.
Technical Document | HIMA X-SB01 985210207 | HIMax Redundant System Bus Module for SIL 3 SIS Applications
