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HIMA Z7131 Redundant Power Supply Monitoring Module
Product Introduction: A SIL 3-certified power supply monitoring module designed for HIMA safety systems, providing real-time monitoring and automatic switchover for two redundant 24V DC power supplies to ensure uninterrupted operation.
Technical Specifications:
- Safety Certification: SIL 3 (IEC 61508), CE, TÜV, ATEX Zone 2
Detailed content
- Monitored Supplies: 2 × 24V DC inputs (from redundant power supplies)
- Maximum Current: 40A continuous (20A per input path)
- Forward Voltage Drop: <0.3V at 40A
- Monitoring Thresholds: Adjustable under-voltage (18–23V) and over-voltage (29–33V)
- Response Time: <5ms for fault detection and isolation
- Isolation: 500V DC input-to-output and channel-to-channel
- Operating Temperature: -20°C to +60°C (full load)
- MTBF: >2,100,000 hours
- Dimensions: Standard HIMA module form factor; Weight: Approx. 0.5kg
Functional Features:
- Automatic redundant power supply switchover on single supply failure
- Real-time voltage and current monitoring for each power supply
- Comprehensive fault detection and alarm signaling
- LED status indicators for each channel and fault conditions
- Hot-swappable design for maintenance without system shutdown
- Seamless integration with HIMA safety controllers and power systems
Application Scenarios:
- Redundant power supply monitoring for HIMA safety systems in oil refineries
- Power supply failover for chemical plant emergency shutdown systems
- Critical power monitoring for offshore oil & gas platform safety systems
- Power supply management for power generation safety instrumented systems
- Redundant power control for manufacturing automation safety systems
