The HIMA F8650 operates as a central safety controller, designed to serve as the backbone of large and complex safety systems. It sits above I/O modules—including the HIMA F7133 for digital inputs and compatible analog modules—processing safety logic, coordinating with other controllers, and executing critical actions like emergency shutdowns with deterministic precision.
Model Number F8650
Brand HIMA
Type High-Performance Safety Controller
Input Voltage 24 V DC
Operating Temp Range -40°C to +70°C
Mounting Style Rack Mount (19-inch standard)
Dimensions 220 mm x 160 mm x 80 mm
Weight 1.2 kg
Interface/Bus HIMA High-Speed Backplane, Dual Ethernet
Compliance with IEC 61508 (SIL 4), TUV, CE, RoHS
Supported Protocols Profibus, Modbus TCP, HIMA Safety Protocol, OPC UA (with module)
Typical Power Draw 22 W
The HIMA F8650 operates as a central safety controller, designed to serve as the backbone of large and complex safety systems. It sits above I/O modules—including the HIMA F7133 for digital inputs and compatible analog modules—processing safety logic, coordinating with other controllers, and executing critical actions like emergency shutdowns with deterministic precision.
F8650
What sets the HIMA F8650 apart is its enhanced processing architecture: a multi-core CPU with expanded memory that handles high-volume data throughput without latency, even when running thousands of safety functions simultaneously. It connects via HIMA’s high-speed backplane and supports redundant configurations, ensuring that a single component failure doesn’t disrupt system operation. The controller integrates seamlessly with both HIMA and third-party devices through a broad range of protocols, including Profibus, Modbus TCP, and OPC UA (with the F8692 module), making it a versatile hub in diverse automation ecosystems. By acting as a scalable processing center, the HIMA F8650 ensures that large safety systems remain responsive, reliable, and easy to manage.
F8650
Technical specifications
Model Number F8650
Brand HIMA
Type High-Performance Safety Controller
Input Voltage 24 V DC
Operating Temp Range -40°C to +70°C
Mounting Style Rack Mount (19-inch standard)
Dimensions 220 mm x 160 mm x 80 mm
Weight 1.2 kg
Interface/Bus HIMA High-Speed Backplane, Dual Ethernet
Compliance with IEC 61508 (SIL 4), TUV, CE, RoHS
Supported Protocols Profibus, Modbus TCP, HIMA Safety Protocol, OPC UA (with module)
Typical Power Draw 22 W
Choosing the HIMA F8650 translates to tangible operational benefits for large-scale facilities. Its multi-core processing architecture ensures that even the most complex safety logic—from interlock sequences to SIF monitoring—executes in microseconds, reducing response times and minimizing risk. For engineering teams, this means fewer workarounds: the controller’s expanded memory and I/O capacity eliminate the need to split systems across multiple smaller controllers, simplifying design, programming, and maintenance.
The HIMA F8650 is also engineered for scalability, allowing facilities to add I/O modules, integrate new safety functions, or connect with additional controllers without performance degradation. This scalability reduces long-term costs by eliminating the need for a complete controller replacement when expanding operations. Perhaps most critically, its SIL 4 certification ensures that even in large systems, safety integrity remains uncompromised, giving operators confidence that the controller will perform exactly as needed during critical events.
Application areas:
The HIMA F8650 is deployed in industries where system scale and safety criticality intersect. In large petrochemical refineries, it manages safety functions across multiple processing units, coordinating shutdowns, fire and gas monitoring, and pressure relief systems to prevent cascading failures. In combined-cycle power plants, the HIMA F8650 handles turbine protection, boiler safety systems, and grid interconnection safety logic, processing data from hundreds of sensors to ensure safe and efficient operation.
Another key application is in integrated steel mills, where it oversees safety functions across hot rolling, annealing, and finishing lines, managing complex interlocks to protect workers and equipment. In these environments, the HIMA F8650’s ability to handle high I/O counts, resist electromagnetic interference, and operate in extreme temperatures ensures reliable performance, even in harsh industrial conditions. Its role in these settings directly contributes to maintaining critical system uptime and compliance with strict industry safety standards.
Related products:
HIMA F8621x – Mid-range controller ideal for medium-scale safety systems, compatible with F8650 in distributed setups.
HIMA F8650-2 – Redundant version of the F8650 for 24/7 operations where zero downtime is required.
HIMA F8692 – Communication module that adds advanced protocol support (including OPC UA) to the F8650.
HIMA F7133 – Digital input module commonly paired with the F8650 for high-volume signal acquisition.
HIMA F8670 – Configuration tool optimized for programming the F8650’s complex safety logic.
HIMA F8630 – Redundant power supply module designed to ensure uninterrupted power to the F8650.
HIMA F8622x – Compact redundant controller that integrates with the F8650 in distributed safety architectures.
HIMA F7233 – Analog input module for pressure, temperature, and flow signals, compatible with the F8650.
Installation and maintenance:
Before installing the HIMA F8650 verify that the mounting rack can support its weight and that there’s adequate clearance for airflow—its higher power draw requires more cooling than smaller controllers. Check that the backplane firmware is compatible with the F8650 ’s operating system to avoid communication issues with I/O modules. It’s also critical to confirm that the power supply can deliver stable 24 V DC with sufficient amperage to support the controller and all connected modules, especially in redundant configurations.
For ongoing maintenance, schedule monthly checks of the controller’s status LEDs to monitor power, backplane communication, and fault conditions. Inspect Ethernet and backplane connectors quarterly for corrosion or loose connections, which can degrade performance in high-data environments. Annual functional testing should include verifying the execution time of critical safety logic to ensure it remains within specified limits, using HIMA’s diagnostic tools to log and analyze performance data. Keeping firmware updated is essential, as updates often include optimizations for handling larger I/O loads, ensuring the HIMA F8650 continues to perform at peak efficiency.
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