HIMatrix B4237-2 H41q-HRS Rack Assembly Kit

Technical Specifications

Model:B4237-2

Brand:HIMA(HIMatrix)

Safety certification:SIL3,IEC61508,TÜV certified

Rack specification:19 inch,5U height

System bus:Dual redundant hot standby backplane bus(H41q-HRS version)

Slot quantity:13 slots for I/O,CPU and power modules

Included accessories:K1409 backplane,4pcs 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:13.0kg

Certification:CE,ATEX compliant

System compatibility:Matches HIMA H41q-HRS hot standby redundant safety rack 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-HRS redundant hot standby system.Provides dual redundant backplane bus,module slots and forced air cooling,serves as hardware carrier for redundant hot standby safety CPU,power and I/O modules.

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

Interface:

‑Dual redundant hot standby backplane bus interface

‑24V DC power terminal block

‑Fan fault signal output terminal

‑Module front slot openings

Circuit feature:Dual redundant hot standby backplane bus design,comprehensive self-diagnosis,anti-electromagnetic interference,meets functional safety requirements for hazardous industrial environment.

Feature:HIMatrix H41q-HRS complete rack assembly kit B4237-2,redundant hot standby bus version,upgraded version of B4237-1 single hot standby bus. Common faults:backplane circuit damage,fan failure,terminal corrosion.Confirm H41q-HRS system version before replacement.

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

Built‑in function

B4237-2 provides redundant hot standby rack hardware platform for H41q-HRS safety interlock and emergency shutdown system,widely used for chemical and power plant SIS spare replacement.

Product Brief

B4237-2 belongs to HIMA H41q-HRS rack assembly family,5U 19-inch SIL3 safety subrack kit with redundant hot standby bus and 13 slots. Verify rack version and firmware compatibility before ordering. Check backplane bus communication and fan function during commissioning. ESD anti‑static protection shall be followed during installation.