HIMA F8640 Safety Processor Module

Technical Specifications

Model:F8640

Brand:HIMA

Safety certification:SIL3,IEC61508,EN954-1 Cat.4

Power supply:24V DC

Architecture:1oo2D dual redundant safety processor

Memory:RAM / EPROM for safety program & SOE event log

Communication:Front panel dual serial ports (RS232)

Diagnosis:Hardware watchdog,comprehensive periodic self-test

Mounting:Plug-in subrack installation

Protection class:IP20

Operating temperature:-20~+60℃

Relative humidity:5~95% non-condensing

Weight:0.40kg

Certification:CE

System compatibility

Designed for HIMA H41q / H51q PES safety system,runs safety application program,executes safety interlock logic and SOE sequence of event recording,widely used in petrochemical,chemical plant ESD emergency shutdown and F&G fire gas protection system.

Function

SIL3 1oo2D redundant safety processor module.Two independent processor channels cross-check calculation results to avoid single point failure.It executes safety logic,collects I/O status and outputs safety shutdown commands.Hardware watchdog and automatic periodic self-test are built-in.When hardware fault or safety trip triggered,the module enters predefined safe state.

Installation

Plug into H41q / H51q rack backplane,match with I/O and communication modules,download SILworX safety project.

Interface

‑Backplane safety bus connector

‑Front panel dual serial ports for SILworX engineering

‑LED indicators for run,fault and communication status

Circuit feature

1oo2D fail-safe safety architecture,dual cross-monitoring,continuous hardware self-test,strong anti-electromagnetic interference,meets SIL3 functional safety requirements for hazardous industrial environment.

Feature

H41q/H51q series SIL3 safety processor F8640. Common faults:firmware mismatch,backplane contact failure,serial port damage.Confirm rack firmware version before replacement.

Diagnostic

Processor mismatch,communication error or internal hardware fault triggers fault alarm;controller executes safety interlock logic.

Built‑in function

F8640 performs safety logic calculation and SOE sequence of event recording for SIS safety instrumented system emergency shutdown protection,widely used for process plant safety spare replacement.

Product Brief

F8640 belongs to HIMA H41q / H51q family,plug-in SIL3 1oo2D redundant safety CPU module for HIMA safety subrack. Verify rack firmware compatibility before ordering.Test logic execution and self-diagnosis function during commissioning. ESD anti‑static protection shall be followed during installation.