I. Basic Information

Model: H4122 (H 4122)

Brand: HIMA (Germany)

Type: Safety CPU / Controller (System Core Module)

Safety Level: SIL3 (IEC 61508), Cat.4 (EN 954), PL e (ISO 13849)

Architecture: Supports single / redundant system configuration (Dual CPU Redundant Failover)

Installation: Rack slot type (H41q system base)

Status: In Service, H41q System Core CPU

II. Core Parameters

Power Supply: 24VDC (redundant input, wide voltage range)

Operating Temperature: -20℃ ~ +60℃

Communication Interface: Ethernet / Serial Port / Special Security Bus (supports interconnection with DCS, PLC)

Diagnosis: Full Fault Self-Diagnosis (including online monitoring, fault location)

Redundancy: Supports Hot Swap (Hot Swap), online replacement without interrupting the system

Protection: IP20 (installed in industrial cabinets)

III. Key Functional Features

SIL3 Safety Certification: Complies with IEC 61508/IEC 61511, suitable for high-risk scenarios in petrochemicals, power, oil and gas, etc.

Redundant Fault-Tolerant Architecture: Supports dual CPU redundancy configuration, single-point failure does not affect system operation, with extremely high reliability.

Multi-Protocol Communication: Integrates Ethernet, serial port and special security bus, seamlessly connects with DCS, PLC and upper-level systems.

Online Maintenance: Modules support Hot Swap, can be replaced online during faults, reducing downtime.

Comprehensive Self-Diagnosis: Built-in complete diagnostic functions, real-time monitoring of hardware/software status, rapid fault location