Hima F8620/11 Central Processing Unit

The HIMA F8620/11 Central Processing Unit (CPU) is a high-performance, programmable safety controller designed for critical automation and safety-related applications. Developed by HIMA Paul Hildebrandt GmbH, this CPU serves as the brain of the HIQuad or HIMax safety systems, ensuring seamless processing of logic and real-time control tasks within functional safety environments.

Engineered to meet stringent safety standards such as IEC 61508 SIL3, the F8620/11 is widely used in industries where operational safety and system reliability are non-negotiable — including oil & gas, power generation, petrochemical, and rail transport sectors.

The unit integrates a powerful processor architecture, real-time communication capabilities, and robust diagnostics. The modular form factor enables ease of integration into larger systems while maintaining superior fail-safe operation across diverse field scenarios.

Technical Specifications

Product Applications

The HIMA F8620/11 CPU is deployed across a wide range of safety-critical and automation-intensive sectors. Typical applications include:

• Emergency Shutdown Systems (ESD)

  Ensures rapid and safe plant shutdown in hazardous events.

• Turbomachinery Control

  Reliable real-time data processing and interlock logic execution for turbines and compressors.

• Fire and Gas Detection Systems (F&G)

  Manages detection inputs and trigger alarms or shutdown procedures instantly.

• Burner Management Systems (BMS)

  Ensures safe burner startup, operation, and shutdown with compliance to international fire safety standards.

• Railway Safety and Signaling Systems

  Used in centralized and decentralized train control architectures for passenger safety.

• Power Plant Automation

  Facilitates safe power distribution, load shedding, and process optimization in thermal, hydro, and nuclear facilities.

Product Advantages

• Certified Functional Safety

  Fully SIL3-compliant design ensures top-tier safety performance and peace of mind in mission-critical systems.

• Modular and Scalable

  Designed to scale from small installations to complex, distributed architectures without compromising on speed or reliability.

• High Availability via Redundancy

  Supports hot standby and dual-CPU configurations, ensuring zero downtime in the event of failure.

• Powerful Processing Capabilities

  Optimized for real-time execution of complex logic and interlocks with fast scan times.

• Robust Diagnostics and Monitoring

  Comprehensive fault detection, status indication, and remote diagnostics reduce maintenance effort and improve uptime.

• Global Certification and Compliance

  Compatible with international safety and electromagnetic compliance standards, allowing global deployment.

Frequently Asked Questions (FAQ)

1. What is the main function of the HIMA F8620/11?

   It serves as the central processing unit in HIMA safety systems, managing logic execution and real-time control in safety-critical environments.

2. Which HIMA systems are compatible with F8620/11?

   The F8620/11 is primarily used with HIMax and HIQuad safety platforms.

3. Can the CPU operate in redundant mode?

   Yes, it fully supports redundancy, including hot standby operation.

4. What safety standard does this CPU meet?

   It complies with IEC 61508 and supports applications up to SIL3.

5. What communication interfaces are available?

   It includes Ethernet, RS485, and a proprietary system bus interface.

6. What is the operating temperature range of the F8620/11?

   From 0°C to +60°C for standard operation.

7. Is it suitable for offshore or ATEX-rated zones?

   Yes, it holds ATEX certification and can be installed in hazardous zones with the correct enclosures.

8. What is the memory capacity for logic programs?

   The unit features 8 MB Flash memory and 4 MB RAM for data handling.

9. How is the F8620/11 installed?

   It is rack-mounted and slotted into a modular system chassis.

10. Is the CPU firmware upgradeable?

    Yes, firmware updates can be performed via authorized HIMA tools to ensure future-proof functionality.