HIMA B4236-1

B4236-1 is a 19-inch 5U single-channel bus system rack kit from the H41q-H series of the German HIMA (Black Horse) brand. It is a complete system assembly piece of SIL3 safety level.

Basic Information

Model: B4236-1

Brand/Series: HIMA / H41q-H (compatible with H51q)

Type: System rack assembly kit

Safety Level: SIL3, Cat.4, PL e (TÜV certified)

Bus Architecture: Single-channel system bus, redundant CPU

Rack body

Specification: 19-inch standard, 5U height (approximately 222mm)

Model: K1409 System Sub-rack

Structure: Integrated cable slot, equipped with 4 K9212 fan modules, backplane Z1009

Installation: Standard 19-inch cabinet fixation

Weight: Approximately 3.5kg

Standard configuration (complete system configuration)

1 × K1409: 5U system rack (including fans and backplane)

2 × F8652: Redundant Central Processing Module (CU)

2 × F7130A: Redundant Power Module (24/5VDC)

2 × Z6011: Power decoupling and fuse module

1 × Z6012: Fan monitoring module

2 × Z6013: WD Signal Power Decoupling Module

1 × Z6007/Z6017: Jumpers

4 × K9212: Redundant Cooling Fans (with fault monitoring)

Core parameters

Operating voltage: 24VDC (±10%, redundant power supply)

Power consumption: Approximately 80W (full configuration)

Operating temperature: 0°C ~ +55°C

I/O capacity: Up to 7 I/O modules (single bus)

Protection level: IP20

Certifications: TÜV, CE, SIL3

Key features

Single-bus redundant CPU: Single-channel system bus, CPU fully redundant, balancing cost and safety

Integrated complete set design: Rack, CPU, power supply, fan, power distribution all included, ready to use out of the box

High-integration 5U rack: 19-inch 5U height, saves cabinet space, compatible with standard cabinets

Complete self-diagnosis: Real-time fault monitoring for fans, power supply, CPU, and bus, safe shutdown

Industrial-grade reliability: Wide temperature operation, strong anti-interference, suitable for high-risk scenarios such as petrochemical and power industries

Typical applications

Petrochemical ESD emergency stop system (small and medium-sized plants)

Power plant / power station BMS combustion management, FSS furnace safety system

Natural gas / long-distance pipeline SIS safety instrument system (mid-scale)

SIL3-level safety control platform for high-risk process plants (budget optimization scenario)

Model differences

B4236-1: H41q-H, single-channel bus, redundant CPU

B4236-2: H41q-HR, redundant bus, redundant CPU (higher availability)