HIMA F7126 Safety Power Supply Module

Technical Specifications

Model:F7126

Brand:HIMA

Safety certification:SIL3,IEC61508,TÜV certified

Input:24V DC(-15~+20%)

Output:5V DC adjustable,10A max output current

Current limit:approx 13A

Overvoltage protection:6.5V±0.5V

Primary fuse:6.3A slow blow

Diagnosis:Built-in power fault monitoring

Mounting:Plug-in subrack installation,8TE width

Protection class:IP20

Operating temperature:-20~+60℃

Relative humidity:5~95% non-condensing

Weight:0.44kg

Certification:CE

System compatibility

Designed for HIMA H51q safety system,converts 24VDC to regulated 5VDC to supply rack safety modules,widely used in petrochemical,chemical plant ESD emergency shutdown and F&G fire gas protection system.

Function

SIL3 safety DC/DC power supply module.It provides galvanic isolation between input and output voltage.Output voltage can be adjusted by potentiometer on front panel.It continuously monitors power status.When overvoltage,overcurrent or short circuit detected,the module triggers fault alarm.

Installation

Plug into H51q rack backplane,match with HIMA H51q safety CPU and I/O modules.

Interface

‑Adjustment potentiometer and test socket on front panel

‑Backplane safety bus connector

‑LED indicators for run and fault status

Circuit feature

Isolated DC/DC conversion,continuous hardware self-test,strong anti-electromagnetic interference,meets SIL3 functional safety requirements for hazardous industrial environment.

Feature

H51q series SIL3 safety power supply F7126. Common faults:power component aging,backplane contact failure,output circuit damage.Confirm rack compatibility before replacement.

Diagnostic

Abnormal output voltage or overcurrent triggers fault alarm;controller executes safety interlock logic.

Built‑in function

F7126 supplies stable 5V DC power for SIS safety instrumented system emergency shutdown protection,widely used for process plant safety spare replacement.

Product Brief

F7126 belongs to HIMA H51q family,plug-in SIL3 isolated DC/DC power supply module for H51q safety subrack. Verify rack compatibility before ordering.Test power output and fault diagnosis function during commissioning. ESD anti‑static protection shall be followed during installation.