HIMA F8620/11 Central module

The F 8620/11 is a Central Module (CPU) typically used in the HIMA HIMAX or HIQUAD safety systems.

These systems are designed for safety-critical applications like Emergency Shutdown (ESD) systems and Fire and Gas (F&G) systems in industrial plants.

Key Technical Specifications

While exact specs can vary based on the specific system revision, the F 8620 series generally features:

Safety Integrity Level: Designed for applications up to SIL 3 (IEC 61508).

Redundancy: Supports redundant configurations to ensure high availability and fault tolerance.

Processing: Handles the execution of the user program and manages communication between I/O modules.

Diagnostics: High-speed self-testing and comprehensive diagnostic coverage to detect internal hardware failures.

Common Use Cases

You will usually find this module in heavy industrial environments, such as:

Oil & Gas: Offshore platforms and refineries.

Chemical Plants: Process safety and reactor control.

Power Generation: Turbine protection and boiler control.

Troubleshooting and Status

The module usually features front-facing LED indicators.  If you are looking at a unit in the field:

Run (Green): Normal operation.

Err (Red): System fault or hardware failure.

Stop (Yellow): The processor is in a halted state