HIMA F3248 16 Fold Digital Input Module

Technical Specifications

Model:F3248

Brand:HIMA

Safety certification:SIL3,IEC61508,TÜV certified,AK6

Channel:16-fold safety digital input

Input signal:48V AC/DC,dry contact signal

Diagnosis:Wire break & short circuit monitoring,walking-zero crosstalk automatic self-test

Response time:Typ.50ms

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:0.42kg

Certification:CE

System compatibility

Designed for HIMA HIQuad H41q / H51q safety system,collects safety discrete signals from field switches and contact devices with 48V AC/DC signal,widely used in petrochemical,chemical plant ESD emergency shutdown and F&G fire gas protection system.

Function

SIL3 16-fold galvanic isolated safety digital input module.It reads 48V AC/DC contact status from field safety devices,transmits safety signal data to HIQuad CPU,continuously monitors field wiring for wire break and short circuit.The module runs automatic walking-zero crosstalk test and hardware self-test during operation.

Installation

Plug into HIQuad H41q/H51q rack backplane,wire field 48V AC/DC contact signals to module terminals,complete hardware configuration via ELOPII engineering software.

Interface

‑16 channels digital input terminals

‑Backplane bus connector for power and data exchange

‑LED indicators for channel status and fault

Circuit feature

1oo2 fail-safe safety architecture,galvanic isolation design,periodic hardware self-test,built-in input loop fault detection,strong anti-electromagnetic interference,meets SIL3 functional safety requirements for hazardous industrial environment.

Feature

HIQuad series 16-fold SIL3 48V AC/DC digital input module F3248. 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

F3248 collects 48V AC/DC discrete safety signals from field devices for safety interlock and emergency shutdown protection,widely used for chemical and power plant safety spare replacement.

Product Brief

F3248 belongs to HIMA HIQuad I/O family,plug-in 16-fold SIL3 48V AC/DC galvanic isolated 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.