HIMA F3222 NAMUR Proximity Switch Input Module

Technical Specifications

Model:F3222

Brand:HIMA

Safety certification:SIL2,IEC61508,TÜV certified

Signal:8-channel NAMUR proximity switch input

Sensor supply:7.7~9V DC

Switching current:1.65mA ±0.2mA

Diagnosis:Wire break and short circuit monitoring for NAMUR sensors

Mounting:Plug-in subrack installation,4TE width

Protection class:IP20

Power supply:5V DC /24V DC

Operating temperature:-20~+60℃

Relative humidity:5~95% non-condensing

Weight:0.39kg

Certification:CE

System compatibility:Designed for HIMA HIQuad H41q / H51q safety control system,collects signals from NAMUR proximity sensors,widely used in petrochemical,chemical plant ESD emergency shutdown and F&G fire gas protection system.

Function:SIL2 safety NAMUR input module.Provides dedicated power supply for NAMUR proximity sensors,detects sensor switching state and transmits signal status to safety controller.It supports wire break and short-circuit diagnosis for field sensor loops.

Installation:Plug into HIQuad H41q/H51q rack backplane,wire NAMUR proximity sensors to module terminals,complete hardware configuration via ELOPII engineering software.

Interface:

‑8 channels NAMUR input terminals

‑Built-in sensor power supply output

‑Backplane bus connector for power and data exchange

‑LED indicators for channel status and fault

Circuit feature:Safety galvanic isolation design,continuous hardware self-test,monitoring of NAMUR sensor circuit faults,strong anti-electromagnetic interference,meets IEC61508 functional safety requirements for hazardous industrial environment.

Feature:HIQuad system dedicated 8-channel NAMUR proximity input module F3222. Common faults:sensor supply failure,signal detection abnormal,connector pin damage.Confirm H41q/H51q system version before replacement.

Diagnostic:Module or wiring fault triggers channel fault alarm;controller marks corresponding NAMUR input signal invalid and executes safety interlock logic.

Built‑in function

F3222 acquires NAMUR proximity sensor signals for safety interlock and emergency shutdown protection,widely used for chemical and power plant safety spare replacement.

Product Brief

F3222 belongs to HIMA HIQuad I/O family,plug-in 8-channel SIL2 NAMUR proximity safety input module for H41q/H51q safety subrack. Verify rack compatibility before ordering. Test NAMUR sensor signal acquisition and line diagnosis function during commissioning. ESD anti‑static protection shall be followed during installation.