Products Description
HIMA F3238 8 Fold Digital Input Module

Technical Specifications
Model:F3238
Brand:HIMA
Safety certification:SIL3,IEC61508,TÜV certified,AK1~AK6
Channel:8-fold safety digital input
Input signal:24V DC dry contact or 6mA 1-signal
Switching time:Typ.8ms
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:0.41kg
Certification:CE
System compatibility
Designed for HIMA HIQuad H41q / H51q safety system,collects discrete safety signals from limit switches,emergency stop switches and field contact devices,widely used in petrochemical,chemical plant ESD emergency shutdown and F&G fire gas protection system.
Function
SIL3 8-fold safety digital input module.It reads 24V DC contact or 6mA sensor status from field safety devices,transmits signal data to HIQuad CPU,supports continuous wiring fault diagnosis for wire break and short circuit.It runs automatic walking-zero crosstalk test,filter and module self-test during operation.
Installation
Plug into HIQuad H41q/H51q rack backplane,wire field contact signals to module terminals,complete hardware configuration via ELOPII engineering software.
Interface
‑8 channels digital input terminals
‑Backplane bus connector for power and data exchange
‑LED indicators for channel status and fault
Circuit feature
1oo2 safety architecture,periodic hardware self-test,built-in walking-zero crosstalk detection,strong anti-electromagnetic interference,meets SIL3 functional safety requirements for hazardous industrial environment.
Feature
HIQuad series 8-fold SIL3 digital input module F3238. Common faults:input channel circuit damage,signal acquisition abnormal,connector pin failure.Confirm H41q/H51q rack firmware version before replacement.
Diagnostic
Module or wiring fault triggers channel fault alarm;controller marks corresponding input signal invalid and executes safety interlock logic.

Built‑in function
F3238 collects field discrete safety signals for safety interlock and emergency shutdown protection,widely used for chemical and power plant safety spare replacement.
Product Brief
F3238 belongs to HIMA HIQuad I/O family,plug-in 8-fold SIL3 digital input module for H41q/H51q safety subrack. Verify rack compatibility before ordering. Test signal acquisition and line diagnosis function during commissioning. ESD anti‑static protection shall be followed during installation.