Products Description
HIMA F3334 Safety Digital Output Module

Technical Specifications
Model:F3334
Brand:HIMA
Safety certification:SIL3,IEC61508,TÜV certified
Channel:4-channel safety digital output
Output signal:24V DC,2A per channel,supports resistive/inductive load,max 25W lamp load
Diagnosis:Wire break,short circuit and load loop monitoring,walking-bit cross-talk self-test
Mounting:Plug-in subrack installation,4TE width
Protection class:IP20
Power supply:24V DC
Operating temperature:-20~+60℃
Relative humidity:5~95% non-condensing
Weight:0.42kg
Certification:CE
System compatibility
Designed for HIMA HIQuad H41q / H51q safety system,output high-power safety control signals for field large solenoid valves,heavy-load safety actuators and indicator lamps,widely used in petrochemical,chemical plant ESD emergency shutdown and F&G fire gas protection system.
Function
SIL3 4-channel high power safety digital output module.It receives safety logic command from HIQuad CPU,output 24V DC high-current control signal to field safety devices,supports continuous wiring fault diagnosis for wire break,short circuit and overload.When safety trip triggered,module will cut off output to realize fail-safe protection.
Installation
Plug into HIQuad H41q/H51q rack backplane,wire field heavy-load actuators to module terminals,complete hardware configuration via ELOPII engineering software.
Interface
‑4 channels digital output terminals
‑Backplane bus connector for power and data exchange
‑LED indicators for channel status and fault
Circuit feature
1oo2 fail-safe safety architecture,periodic hardware self-test,built-in overcurrent protection,strong anti-electromagnetic interference,meets SIL3 functional safety requirements for hazardous industrial environment.
Feature
HIQuad series 4-channel SIL3 24V DC high power digital output module F3334. Common faults:output channel burnout,overcurrent damage,connector pin failure.Confirm H41q/H51q rack firmware version before replacement.
Diagnostic
Module or wiring fault triggers channel fault alarm;controller executes safety interlock logic.

Built‑in function
F3334 outputs high-current safety control signals for SIS safety instrumented system emergency shutdown and fire protection interlock,widely used for chemical and power plant safety spare replacement.
Product Brief
F3334 belongs to HIMA HIQuad I/O family,plug-in 4-channel SIL3 high power 24V DC digital output module for H41q/H51q safety subrack. Verify rack compatibility before ordering. Test output performance and fault diagnosis function during commissioning. ESD anti‑static protection shall be followed during installation.