F-3238 HIMA

F-3238 HIMA Central Control Unit

Product  Description：

HIMA Central Control Units, primarily represented by the flagship HIMax and HIMatrix series processors, are ultra-reliable, high-performance CPUs explicitly engineered for functional safety and industrial automation. Operating as the primary decision-making hub of a Safety Instrumented System (SIS), these central units process safety-critical data in high-risk environments. They are certified to the highest global functional safety standards, ensuring emergency shutdown, turbomachinery control, and fire and gas monitoring operations run continuously and fail safely.

Product Parameters

The technical baseline of a HIMA Central Control Unit reflects its rigorous architecture and high-speed processing capabilities:

• Functional Safety Certification: Universally certified up to SIL 3 according to IEC 61508, PL e (Category 4) according to EN ISO 13849, and up to SIL 4 under CENELEC rail standards.

• Processor Architecture: Built on clock-synchronized multi-microprocessor topologies, such as 1-out-of-2 (1oo2D) or up to 2-out-of-4 (2oo4D) voting structures, providing hardware self-testing and internal diagnostics.

• Response Time: Ultra-fast loop execution, with processing architectures delivering safety response times significantly below 10 milliseconds.

• Communication Protocols: Integrated native support for safeethernet (HIMA's proprietary safety network protocol) alongside standard industrial fieldbuses like Modbus TCP/RTU, Profinet, Profibus DP, and EtherNet/IP.

• Multi-Tasking Capacity: Advanced models (such as the HIMax series) support multitasking capabilities running up to 32 independent safety and control applications simultaneously on a single unit.

• Diagnostics Capacity: High-volume internal diagnostic memory, typically storing up to 2,500 diagnostic records directly within the processor module to track system faults and line breaks.

Product Advantages

HIMA Central Control Units provide unmatched operational security and maximum facility uptime:

• High Availability through Redundancy: The flexible architecture allows users to configure the level of fault tolerance required. At maximum configuration, components can be completely quadrupled, allowing the plant to remain fully operational and safe even if multiple internal sub-processors fail.

• Non-Interference Multi-Tasking: Multiple distinct systems, such as Burner Management Systems (BMS) and Emergency Shutdown (ESD), can run in parallel on the same processor without safety functions affecting one another.

• Interruption-Free Maintenance: The hardware structure supports online modification and hot-swapping. Program extensions, hardware replacements, and system testing can be executed while the plant is fully operational, preventing costly unexpected shutdowns.

• Native Cyber Security: Features embedded firewall architectures and restricted access mechanisms, protecting the safety-related logic from unauthorized programming adjustments or external network intrusion.

• Direct DCS Integration: These units can be integrated into the supervisory functions of any major third-party Distributed Control System (DCS), routing diagnostic alerts and safety status variables straight to the central control room.

Product Applications

These safety controllers are deployed globally across sectors where a control failure could result in catastrophic consequences:

• Emergency Shutdown (ESD): Operating as the primary critical logic solver that triggers automated shutdowns during emergency parameters in chemical, petrochemical, and refining facilities.

• Burner Management Systems (BMS): Safely controlling the ignition, flame monitoring, and fuel shut-off valves for industrial furnaces, boilers, and thermal oxidizers.

• High-Integrity Pressure Protection Systems (HIPPS): Managing high-speed pressure relief logic in oil and gas pipelines to isolate overpressure sources and prevent pipeline ruptures.

• Turbomachinery Control (TMC): Providing integrated speed control, surge protection, and safety shutdowns for large-scale industrial turbines and compressors.

• Railway Signalling and Infrastructure: Governing automated train protection systems, level crossings, and electronic interlocking systems certified to CENELEC standards.

Important Precautions

To preserve the functional safety rating and ensure uninterrupted operation, adhere strictly to these guidelines:

• Strict Programming Authorization: Modifying the safety loop logic requires specialized engineering software (such as SILworX) and dedicated safety-key hardware clearance. Uncertified program overrides will invalidate the system's functional safety standard.

• Earthing and Grounding Isolation: The control unit must be connected to a dedicated, low-impedance functional safety earth ground. Poor grounding allows electromagnetic interference to accumulate, which may trigger false safety alarms or unintended processor trips.

• Redundant System Separation: When deploying physically separated redundant architectures, ensure that the communication and power lines for the backup central unit are routed through different physical paths to avoid single-point environmental or mechanical hazards.

• Battery Maintenance: For systems utilizing backup batteries to preserve data during localized power loss, replace the internal buffer batteries according to the exact maintenance timeline specified for ambient operating temperatures.

• Environmental Protection: While designed for industrial panels, always install the unit within an enclosure that prevents moisture ingress, chemical fumes, or conductive dust accumulation, as trace conductive debris can bridge internal safety check circuits.

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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