HIMatrix B4236-2 H41q-HR Rack Assembly Kit

Technical Specifications

Model:B4236-2

Brand:HIMA(HIMatrix)

Safety certification:SIL3,IEC61508,TÜV certified

Rack specification:19 inch,5U height

System bus:Dual redundant I/O bus(H41q-HR version)

Slot quantity:7 I/O module slots + CPU & power slots

Included accessories:K1409 backplane,4 fan modules,cable tray,ground bar

Power bus:24V DC input,5V internal backplane power

Mounting:19 inch cabinet installation

Protection class:IP20

Operating temperature:-20~+60℃

Relative humidity:5~95% non-condensing

Weight:11.8kg

Certification:CE,ATEX compliant

System compatibility:Matches HIMA H41q-HR safety control system,supports redundant CPU,power supply and I/O modules,for petrochemical,chemical plant ESD emergency shutdown and F&G fire gas protection system.

Function:Pre-assembled safety rack kit for H41q-HR redundant bus system.Provides redundant backplane bus,module slots and forced air cooling,serves as hardware carrier for redundant safety CPU,power and I/O modules.

Installation:Install 5U rack into 19-inch control cabinet,fix mounting bolts,install dual redundant CPU,PS and I/O modules into slots,wire power and field signals.

Interface:

‑Dual redundant backplane bus interface

‑24V DC power terminal block

‑Fan fault signal terminals

‑Module front slot openings

Circuit feature:Dual redundant backplane bus design,built-in fan diagnostic,anti-electromagnetic interference,meets SIL3 functional safety requirements for hazardous industrial environment.

Feature:HIMatrix H41q-HR complete rack assembly kit B4236-2,redundant bus version,compared with B4236-1 single bus. Common faults:backplane circuit damage,fan failure,terminal corrosion.Confirm H41q-HR system version before replacement.

Diagnostic:Rack backplane fault causes all modules communication failure;fan fault triggers rack overheat alarm.

Built‑in function

B4236-2 provides redundant rack hardware platform for H41q-HR safety interlock and emergency shutdown system,widely used for chemical and power plant SIS spare replacement.

Product Brief

B4236-2 belongs to HIMA H41q-HR rack assembly family,5U 19-inch SIL3 safety subrack kit with redundant I/O bus and 7 I/O slots. Verify system version and module compatibility before ordering. Check redundant bus communication and fan function during commissioning. ESD anti‑static protection shall be followed during installation.