HIMA F4111A Fail-Safe AND Gate Module

Technical Specifications

Model:F4111A

Brand:HIMA

Safety certification:SIL3,IEC61508,TÜV certified

Function:4-fold fail-safe AND logic gate

Supply voltage:24V DC

Power consumption:4.5W

Diagnosis:Continuous hardware self-diagnosis

Mounting:Plug-in subrack installation

Protection class:IP20

Operating temperature:0~+60℃

Relative humidity:5~95% non-condensing

Weight:0.43kg

Certification:CE

System compatibility

Designed for HIMA Planar-F safety system,used for independent safety logic judgment of shutdown circuits,widely used in petrochemical,chemical plant ESD emergency shutdown and F&G fire gas protection system.

Function

SIL3 4-fold fail-safe AND gate module.It receives multiple safety input signals and executes AND logic judgment.Only when all input signals are valid,the module outputs enable signal;once signal loss or internal fault occurs,it switches to de-energized safe state automatically.

Installation

Plug into Planar-F rack backplane,wire field signal sources to module terminals,complete hardware configuration.

Interface

‑Multi-channel logic input terminals

‑Logic output terminals

‑Backplane safety bus connector

‑LED indicators for channel status and fault

Circuit feature

Fail-safe safety architecture,periodic hardware self-test,strong anti-electromagnetic interference,meets SIL3 functional safety requirements for hazardous industrial environment.

Feature

Planar-F series SIL3 4-fold safety AND gate module F4111A. Common faults:internal logic circuit damage,signal channel failure,connector pin failure.Confirm rack compatibility before replacement.

Diagnostic

Module or wiring fault triggers fault alarm;system enters predefined safe state.

Built‑in function

F4111A performs safety AND logic judgment for SIS safety instrumented system emergency shutdown protection,widely used for process plant safety spare replacement.

Product Brief

F4111A belongs to HIMA Planar-F family,plug-in SIL3 4-fold safety AND gate logic module for safety interlock application.Verify rack compatibility before ordering.Test logic operation and fault diagnosis function during commissioning.