HIMA F3240

Description

Technical Specifications

• Processor Core: Dual redundant ARM Cortex-A53 dual-core chipset
• Safety Certification Grade: IEC 61508 SIL 3, ISO 13849 PL e, TÜV certified
• Power Supply Input: 24VDC industrial standard power supply
• Communication Interfaces: Dual redundant Ethernet TCP/IP, RS485, dedicated HIMA safety backplane bus
• Supported Industrial Protocols: Modbus RTU, Profibus DP, HIMA SafeCom proprietary safety protocol
• Module Rack Width: 4 TE
• Operating Temperature: -20°C ~ +60°C
• Storage Temperature: -40°C ~ +85°C
• Humidity Range: 5% ~ 95% non-condensing
• Protection Rating: IP20 cabinet-only installation

Function Features

1. Parallel redundant safety logic execution; automatic fault voting for all control commands
2. Real-time backplane I/O module scanning and signal data caching
3. Multi-protocol redundant external communication for upper DCS/HMI interconnection
4. Embedded comprehensive system diagnostic function covering CPU, bus, power and all connected I/O modules
5. Fail-safe state forced output upon dual-side processing mismatch
6. Hot-swap compatible with redundant rack architecture; no full system shutdown during maintenance
7. Built-in non-volatile memory for permanent safety logic program storage

Performance Parameters

• Safety logic execution cycle: Minimum 10ms configurable
• Maximum supported I/O module quantity per CPU rack: 32 pieces
• Communication data transmission delay: <5ms between CPU and I/O modules
• Diagnostic coverage rate: 99.9% for all internal hardware circuits
• Program storage capacity: 8MB non-volatile flash memory

Material Composition

• Outer casing: UL94 V0 flame-retardant reinforced ABS plastic
• Main PCB: Multi-layer high-temperature FR4 industrial circuit board
• Communication connectors: Gold-plated industrial Ethernet and serial terminals
• Internal memory chips: Industrial-grade wide-temperature flash storage
• Power regulation components: Redundant isolated DC-DC power conversion circuits

Structural Characteristics

• Standard rack pluggable module with front locking clip
• Front panel multi-color LED array for RUN, FAULT, COMM status indication
• Dual independent communication ports separated on front panel for physical isolation
• Backplane multi-layer gold-plated bus connector for redundant data transmission
• Internal independent dual power supply branches for two processing cores

Working Principle

Two independent ARM processing cores run identical safety logic programs simultaneously. All input signal data is transmitted to both cores via isolated bus circuits. Voting circuit compares output logic results from dual cores; inconsistent results trigger immediate safety shutdown state. All diagnostic data and program variables are mirrored to redundant memory partitions, and external communication channels perform automatic master-slave switching upon primary channel failure.

Advantage Highlights

1. Full dual redundant hardware eliminates single-point CPU failure risk
2. Multi-protocol communication enables seamless integration with mainstream industrial DCS systems
3. Ultra-fast logic cycle meets high-speed emergency shutdown response requirements
4. Complete hardware diagnostic coverage complies with SIL 3 mandatory diagnostic metrics
5. Hot-swap design reduces planned maintenance downtime
6. Wide operating temperature range adapts to unconditioned industrial control cabinets

Applicable Industries

Offshore Oil Platform ESD Systems, Refinery Process Safety Control, Gas Turbine BMS, Coal-Fired Power Plant Boiler Protection, LNG Storage Tank Safety Interlock, Railway Tunnel Fire Safety Control, Hazardous Chemical Production Lines

Installation Requirements

1. Install in designated primary/secondary redundant CPU slots of HIMA F-series rack
2. Connect dual Ethernet communication cables to separate industrial switches for physical redundancy
3. Provide regulated 24VDC redundant power supply to chassis power module
4. Maintain 20mm minimum ventilation gap around module for heat dissipation
5. All communication cables use shielded CAT5e Ethernet or twisted-pair RS485 wiring with single-end cabinet grounding
6. Anti-static handling required during all module installation and replacement operations

Usage Precautions

1. Do not remove module during active safety system operation without redundant backup CPU online
2. Logic program download only via official HIMA Engineering Tool; uncertified software voids SIL certification
3. Complete full system proof test after every program modification or module replacement
4. Avoid installation in environments with corrosive gas, continuous oil mist or direct water splashing
5. Calibrate communication baud rate and IP address strictly per site safety system design documents
6. Archive all safety program versions for traceability as per industrial safety regulatory requirements