Basic Information

• Product Model: HIMA H51Q-HRS
• Product Category: Safety PLC Module (Quadruple Modular Redundant Safety Controller Module)
• Manufacturer: HIMA Paul Hildebrandt GmbH & Co. KG
• Application Scope: Safety-critical industrial systems (oil & gas, chemical, power generation, nuclear industry), used for safety interlock control, emergency shutdown (ESD), and fault-tolerant protection to meet SIL 3 (IEC 61508) safety requirements

Technical Specifications

1. Redundancy Design: Quadruple Modular Redundant (QMR) structure, ensuring fault tolerance and high availability
2. Processing Performance: 32-bit multi-core processor; 8 MB safety program memory; 16 MB data memory
3. I/O Expansion: Supports HIMA HIQuad series I/O modules via safety bus; Maximum 256 digital I/O points per module
4. Communication Ports: 2 x Ethernet ports (10/100 Mbps, supports HIMA SafetyNET p, Modbus TCP); 1 x RS485 port (for configuration and diagnostics)
5. Operating Conditions: Temperature range -20°C to +60°C; Humidity 5%–95% (non-condensing); Vibration resistance ≤ 3g (10–500 Hz)
6. Power Supply: 24 V DC ±15%; Typical current consumption ≤ 1.2 A
7. Protection & Certifications: SIL 3 (IEC 61508), TÜV Rheinland certified; Compliance with CE, UL, ATEX standards

Core Functions & Features

• QMR redundant design eliminates single points of failure, ensuring continuous operation even with module malfunctions
• High-speed safety logic execution (cycle time ≥ 1 ms) to meet real-time response requirements of safety-critical systems
• Built-in safety communication protocol (SafetyNET p) enables secure data transmission between safety controllers and I/O modules
• Compatible with HIMA Planar Safety software for intuitive programming, configuration, and safety validation
• Comprehensive self-diagnosis function (hardware, software, communication) with fault logging and alarm output for quick troubleshooting
• Seamless integration with non-safety control systems, supporting data exchange via standard industrial protocols