F35,03 HIMA

F35,03 HIMA Central unit

Product  Description：

HIMA Central Units, serving as the core processing hubs for safety systems such as the HIMax, HIMatrix, or HIQuad series, are ultra-reliable safety-related controllers. These units are specifically engineered to run safety critical applications, including Emergency Shutdown Systems (ESD), Burner Management Systems (BMS), and Fire and Gas Systems (F&G). Designed to satisfy the most stringent global safety standards, they execute complex safety logic to protect human life, plant assets, and the environment from catastrophic industrial accidents.

Product Parameters

The technical baseline of a HIMA Central Unit emphasizes safety certification, multi-tasking capability, and high-speed execution:

• Safety Integrity Level: Certified up to SIL 3 according to IEC 61508, PL e according to EN ISO 13849, and SIL 4 for specialized railway applications.

• Processor Architecture: Features a multi-core controller architecture or redundant 1-out-of-2 (1002D) or 2-out-of-4 (2004) hardware structures with extensive diagnostic coverage.

• Response and Cycle Time: Capable of safety loop execution times under 5 to 10 milliseconds, ensuring rapid intervention during an emergency event.

• Network Interfaces: Integrated with safe communication protocols like safeEthernet, alongside standard interfaces for Modbus TCP/IP, Profinet, and EtherNet/IP.

• Memory Capacity: Large non-volatile flash memory for safety programs and dedicated high-speed RAM for event logging and real-time variable tracking.

• Power Consumption: Typically operates on a standard 24V DC input, engineered with strict voltage tolerance and low thermal dissipation.

Product Advantages

HIMA Central Units are internationally recognized for their uncompromised safety architecture and operational flexibility:

• Non-Stop Operation: Built on a "fault-tolerant" design philosophy, allowing components, modules, or network lines to be replaced during live operation without interrupting the safety application or tripping the plant.

• Physically Segregated Safety: The internal system bus separates safety-critical calculations from non-safety communication tasks, ensuring that standard control network traffic cannot interfere with safety functions.

• Comprehensive Self-Diagnostics: Onboard monitoring loops test more than 99 percent of internal components continuously, detecting internal hardware errors before they affect system execution.

• Unified Software Engineering: Programmed using SIL 3-certified software suites like SILworX, which provides graphical function block editing, safe code generation, and rapid validation tools.

• Global Standard Compliance: Certified by leading independent agencies such as TÜV, ensuring total compliance with global safety, machinery, and automotive standards out of the box.

Product Applications

These safety central units are widely applied as the critical protective layer in hazardous industrial environments:

• Emergency Shutdown Systems: Managing total plant trip sequences in offshore drilling platforms, chemical processing reactors, and oil refineries.

• Burner Management Systems: Ensuring safe ignition, fuel monitoring, and rapid fuel gas isolation for heavy industrial boilers, furnaces, and incinerators.

• Fire and Gas Systems: Processing signals from flame, toxic gas, and heat detectors to trigger automatic deluge systems, sirens, and isolation dampers.

• High-Pressure Protection: Operating as High-Integrity Pressure Protection Systems (HIPPS) to safely isolate downstream piping from dangerous upstream pressure surges.

• Logistics and Rail Safety: Controlling signaling systems, interlocking architectures, and automated cargo crane safety envelopes.

Important Precautions

To preserve the safety integrity of the central unit and prevent unintended trips, the following instructions must be followed:

• Strict Change Management: Any modifications to the safety program running on the central unit must be thoroughly tested, documented, and re-certified according to international safety protocols before deployment.

• Power Grid Quality: Provide clean, uncorrupted, and redundant 24V DC power from a high-quality industrial UPS system. Sudden power dips can compromise the internal safety relay timings.

• Grounding Consistency: Connect the central unit's functional and protective grounds to a low-resistance, noise-free earth ground to prevent electrical noise from disrupting safety communications.

• Environmental Enforcement: Maintain the control room or enclosure environment within the specified temperature and dust limits. High ambient heat can accelerate the degradation of safety-critical components.

• Restricted Password Access: Ensure that the physics locks, key switches, and digital password protocols for loading modifications onto the central unit are strictly controlled to prevent unauthorized tampering.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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