HIMatrix B9361 Rack Backplane Board

Technical Specifications

Model:B9361

Brand:HIMA(HIMatrix)

Safety certification:SIL3,IEC61508,TÜV certified

Function:Backplane for B9302 expansion rack,internal system bus and power distribution

Mounting:Installed inside B9302 I/O expansion subrack

Protection class:IP20

Operating temperature:-20~+60℃

Relative humidity:5~95% non-condensing

Weight:1.5kg

Certification:CE,ATEX compliant

System compatibility:Matches HIMA HIQuad B9302 expansion rack,cooperates with F7553 bus coupling module and I/O modules,works with H41q/H51q main rack,for petrochemical,chemical plant ESD emergency shutdown and F&G fire gas protection system.

Function:Expansion rack dedicated backplane PCB,provides backplane bus communication and 24V/5V power distribution for all I/O modules in B9302 rack.Realizes signal transmission between coupling module and each I/O card.

Installation:Fixed at rear side of B9302 rack,all I/O modules and bus coupling module plug into backplane connectors.

Interface:

‑Backplane bus connector for F7553 coupling module

‑Module backplane pin sockets

‑24V DC power distribution terminals

Circuit feature:Safety-grade PCB layout,stable bus signal transmission,built-in noise suppression,meets SIL3 functional safety requirements for hazardous industrial environment.

Feature:HIQuad B9302 expansion rack dedicated backplane B9361. Common faults:connector pin corrosion,track damage,bus communication interruption.Confirm B9302 rack version before replacement.

Diagnostic:Backplane fault leads to all I/O modules in expansion rack lose communication,trigger rack fault alarm.

Built‑in function

B9361 serves as backplane bus carrier for HIQuad I/O expansion rack,widely used for chemical and power plant safety spare replacement.

Product Brief

B9361 belongs to HIQuad expansion rack backplane family,SIL3 safety backplane board dedicated for B9302 subrack. Verify rack compatibility before ordering. Check backplane power supply and bus communication during commissioning. ESD anti‑static protection shall be followed during installation.