HIMA F3246A Safety Switching Amplifier Module

Technical Specifications

Model:F3246A

Brand:HIMA

Safety certification:SIL3,IEC61508,TÜV certified

Channel:2 independent galvanic isolated binary input channels

Input signal:Mechanical contact,inductive or optical binary sensors

Mounting:Plug-in subrack installation,4TE width

Protection class:IP20

Power supply:24V DC ±10%

Operating temperature:-20~+60℃

Relative humidity:5~95% non-condensing

Weight:0.38kg

Certification:CE

System compatibility

Designed for HIMA HIQuad H41q / H51q safety control system,acquires binary safety signals from field contact,inductive and optical sensors,widely used in petrochemical,chemical plant ESD emergency shutdown and F&G fire gas protection system.

Function

SIL3 safety switching amplifier module.It reads binary signals from field safety sensors,amplifies and transmits safety signals to HIQuad CPU.Galvanic isolation separates field side and rack backplane bus,supports continuous wire break and short circuit diagnosis for field loops.

Installation

Plug into HIQuad H41q/H51q rack backplane,wire field binary sensors to module terminals,complete hardware configuration via ELOPII engineering software.

Interface

‑2 channels binary input terminals

‑Optocoupler signal output

‑Backplane bus connector for power and data exchange

‑LED indicators for channel status and fault

Circuit feature

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

Feature

HIQuad series 2-channel SIL3 safety switching amplifier F3246A. Common faults:amplifier circuit damage,signal transmission abnormal,connector pin failure.Confirm H41q/H51q rack firmware before replacement.

Diagnostic

Module or wiring fault triggers fault alarm;controller marks corresponding signal invalid and executes safety interlock logic.

Built‑in function

F3246A acquires binary safety sensor signals for SIS safety instrumented system emergency shutdown and fire protection interlock,widely used for chemical and power plant safety spare replacement.

Product Brief

F3246A belongs to HIMA HIQuad I/O family,plug-in 2-channel SIL3 galvanic isolated safety switching amplifier module for H41q/H51q safety subrack. Verify rack compatibility before ordering. Test signal acquisition and isolation performance during commissioning. ESD anti‑static protection shall be followed during installation.