HIMA F8651X

HIMA Paul Hildebrandt GmbH F8651X is a central processing module (CPU / Central Module) designed for HIMA safety-related automation systems. It is mainly used in the HIMA H51q-M, H51q-H, and H51q-HR programmable electronic safety systems (PES) as the core processing unit responsible for executing safety logic, system coordination, communication, and diagnostics.

Product Description

The HIMA F8651X Central Module provides the main computing capability for safety instrumented systems (SIS). It processes application programs, manages communication with I/O modules, monitors system status, and performs fault diagnostics to ensure reliable operation in safety-critical industrial environments.

Technical Specifications

Parameter	Specification
Manufacturer	HIMA
Model	F 8651 X / F8651X
Product Type	Central Module / CPU Module
System Platform	HIMA H51q-M / H51q-H / H51q-HR PES
Processor	Intel 386EX, 32-bit
Clock Frequency	25 MHz
Program Memory	Flash EPROM 1 MB
Data Memory	SRAM 1 MB
Operating System Memory	Flash EPROM 1 MB
Communication Interface	2 × electrically isolated RS-485 interfaces
Diagnostic Display	4-digit alphanumeric matrix display
Watchdog Output	24 V safety watchdog output, up to 500 mA
Power Requirement	5 V DC / 2 A
Installation Space	8 SU
PCB Structure	Two European standard PCBs + diagnostic display PCB

Key Features

1. Safety-Critical Processing
The F8651X executes safety application programs with deterministic processing behavior, making it suitable for emergency shutdown systems (ESD), burner management systems (BMS), process safety systems, and other SIL-rated applications.

2. Integrated Diagnostics
The module includes a four-digit diagnostic display, error indicators, and fault acknowledgment functions to simplify troubleshooting and maintenance.

3. Reliable Communication
Two isolated RS-485 interfaces support communication with external devices and HIMA system components. The module can also communicate through additional communication modules such as F8627X for Ethernet-based networks.

4. High Availability Design
The F8651X is designed for continuous operation in industrial safety systems and can replace earlier HIMA central modules including F8651, F8651A, and F8651E models.

Application Areas

HIMA F8651X is widely used in:

Oil & Gas production facilities
Petrochemical plants
Power generation systems
Chemical processing industries
Refinery safety systems
Emergency shutdown (ESD) systems
Safety Instrumented Systems (SIS)

Conclusion

The HIMA F8651X Central Module is a reliable safety controller component for legacy HIMA H51q safety systems. With a robust 32-bit processor, integrated diagnostics, isolated communication interfaces, and proven industrial reliability, it provides stable control and monitoring for critical safety applications where high availability and predictable response are required.

HIMA F8651X

Main Brand:

ABB Allen-Bradley Alstom Bently GE MOOG

Schneider Woodward HIMA Honeywell Emerson Foxboro

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•Shipping Port: Xiamen

•Ship to you via Fedex/DHL/TNT/UPS/EMS

•Package: Original packing with cartons

Our Main Brands

DCS/PLC/TSI Manufacturers:
ABB, GE, Allen Bradley, Honeywell, Emerson, Bently Nevada, Prosoft, Siemens, Westinghouse, Triconex, Foxboro, ICS Triplex, Hima, Schneider, Yokogawa, Woodward, B&R, KEBA, etc.