HIMA H6200

Product Overview

Technical Specifications

• Functional Safety Certification Rating: SIL 3 (IEC 61508 / IEC 61511 TÜV certified)
• Processor Architecture: Dual independent lockstep redundant multi-core safety processors
• Onboard Operating RAM: 256 MB DDR3 industrial wide-temperature memory
• Non-Volatile Program Flash Storage: 64 MB industrial grade fault-tolerant flash memory
• Maximum Supported System Safety I/O Points: 2048 discrete safety input/output points per CPU
• Expansion I/O Rack Capacity: Up to 32 digital/analog safety I/O modules per controller rack
• Onboard Communication Interfaces: 1×10/100 Mbps Ethernet, 2×RS485 isolated serial, USB 2.0 configuration port
• Supported Industrial Protocols: PROFIBUS DP, Modbus TCP/RTU, HART slave interface
• Maximum Safety Logic Response Time: <10 ms typical full-system trip latency
• Module Nominal Supply Voltage: 24 VDC operating range 20–30 VDC
• Maximum Power Consumption: 15 W full-load continuous operation
• Diagnostic Fault Coverage Rate: >99% all internal and external system faults
• MTTFd Mean Time To Dangerous Failure: >100 years
• Operating Temperature Range: -20 °C to +70 °C
• Storage Temperature Range: -40 °C to +85 °C

• Material Composition

  Identical base material construction to H6200A; reduced memory flash/RAM chip count as primary hardware differentiation

  • Main Safety PCB: High-isolation FR4 high-Tg laminate with double redundant trace routing
  • Processor Semiconductors: Extended industrial temperature range lockstep dual-core safety chips
  • Enclosure Housing: Impact-resistant UL94-V0 polycarbonate rack card frame
  • Communication Port Connectors: Shielded metal shell industrial Ethernet, RS485 plug connectors
  • Flash & RAM Memory Chips: Industrial wide-temperature non-error-correction storage chips with smaller capacity specification
  • Internal Isolation Components: 2500 VAC reinforced optocoupler isolation barriers for signal communication circuits

  Structural Characteristics

  • Hot-swappable rack pluggable CPU card design supporting redundant primary-backup pairing
  • Single independent 10/100 Mbps Ethernet communication port for plant supervisory data transmission
  • Dual isolated RS485 serial bus interfaces for field instrument communication
  • Front panel multi-color LED indicator array displaying power status, running state, system fault, safety trip, and communication loss
  • Segregated internal power isolation zones separating safety logic core and external signal communication circuits
  • Standard HIMax backplane multi-drop bus interface compatible with all HIMax series I/O expansion modules
  • No secondary redundant Ethernet channel hardware integrated, differing structurally from H6200A enhanced version

  Working Principle

  Dual lockstep redundant safety processors execute identical safety logic programs in parallel, with continuous cross-comparison of all operational calculation results via internal hardware diagnostic circuits. Any single core calculation inconsistency triggers immediate safety trip output and fault isolation of the abnormal processor unit. The CPU module establishes bidirectional real-time communication with all connected HIMax digital and analog safety I/O modules, performing hardware voting on all field safety input signals to eliminate single-point wiring faults. Isolated serial and single Ethernet communication channels transmit fault logs, real-time process safety data, and alarm records to upper-level SCADA control systems, while maintaining complete electrical isolation between safety system networks and non-safety factory control networks. Safety application programs are stored in fault-tolerant internal flash memory, with power-loss memory retention to prevent program loss during transient power supply interruptions. All internal hardware components undergo continuous self-diagnosis to detect circuit short-circuits, memory corruption, and communication bus failure events.

  Function & Feature Highlights

  1. TÜV independent SIL 3 certification compliant with IEC 61508 and IEC 61511 global process safety standards
  2. Dual lockstep redundant processor architecture eliminates single-point dangerous failure of safety logic execution
  3. Support for maximum 2048 safety discrete I/O points to meet medium-scale plant safety instrumented system layout demands
  4. Dual isolated RS485 serial communication ports compatible with PROFIBUS DP, Modbus RTU, and HART slave protocols
  5. Built-in timestamped fault and safety trip event logging with permanent storage in onboard flash memory
  6. Hot-backup CPU pairing function supports seamless automatic switchover between primary and standby H6200 modules without safety loop interruption
  7. Hardware safety trip circuit with <10 ms full-system safety response latency for fast emergency shutdown actuation
  8. Integrated self-diagnostic system with over 99% total diagnostic coverage for internal and external system faults

  Core Advantages

  • Standardized medium-capacity safety CPU with lower procurement cost compared to high-end SIL 4 H6200A model
  • Wide operating temperature window from -20 °C to +70 °C for installation in unheated industrial outdoor control cabinets
  • Full mechanical and bus compatibility with all HIMax series I/O expansion modules for flexible system capacity expansion
  • Over 100 years MTTFd value to reduce long-term equipment replacement and maintenance cycle frequency
  • UL, CE, TÜV safety certification package supporting global industrial equipment export and project compliance requirements
  • Simplified single-Ethernet communication architecture reduces network hardware investment for small-to-medium safety control systems

  Applicable Industries

  Medium-sized chemical plant fire & gas safety interlock systems, small-scale refinery emergency shutdown safety loops, industrial boiler burner management safety control, food and pharmaceutical batch process hazard protection, medium-power thermal power plant auxiliary equipment safety interlocks, general machinery high-risk zone emergency stop safety systems, regional water treatment plant toxic chemical release safety protection

  Installation Requirements

  1. Install only inside dedicated primary or standby CPU card slots of standard HIMax series safety rack backplane
  2. Minimum 30 mm vertical rear cabinet clearance reserved for forced convection rack cooling airflow; ventilation openings cannot be blocked
  3. Safety system Ethernet communication cable must adopt Class A shielded industrial twisted pair cable, separately routed from non-safety control wiring trunking
  4. Dual independent 24 VDC power supply feeds are mandatory to maintain full SIL 3 fault-tolerant safety performance
  5. Onboard USB configuration port is only permitted connection during offline safety program programming; port must remain disconnected during continuous plant production operation
  6. H6200 standard CPU modules cannot be paired with H6200A enhanced CPU modules in redundant backup architecture

  Usage Precautions

  1. Mixing H6200 and H6200A modules for primary-backup redundant operation will invalidate all TÜV SIL 3 safety certification qualifications
  2. External communication circuit overvoltage surge exceeding 30 VDC will cause permanent irreversible damage to isolated Ethernet and RS485 interface circuits
  3. Continuous ambient operating temperature above +70 °C reduces hardware diagnostic coverage rate below SIL 3 standard compliance threshold
  4. Annual full safety instrumented system loop proof-test execution is mandatory to satisfy IEC 61511 process safety regulatory audit requirements
  5. Any hardware modification, external wiring jumper addition, or component replacement without official HIMA factory spare parts voids all safety certification validity
  6. Storage environment humidity must maintain non-condensing state below 90% RH; condensation leads to PCB circuit leakage and intermittent safety logic faults
  7. The module lacks redundant Ethernet hardware; single network cable breakage results in temporary loss of safety data upload to SCADA monitoring systemMounting Format: Standard HIMax rack pluggable CPU card