HIMA F3236 984323602

Description

The HIMA F3236 984323602 is a high-integrity 16-channel digital output module specifically engineered for HIMA’s HIMax and HIMatrix safety instrumented systems. This SIL 3 certified module provides fail-safe switching of field actuators including solenoid valves, motor contactors, and alarm devices in emergency shutdown and fire & gas protection applications. The HIMA F3236 984323602 represents the gold standard for high-demand safety applications requiring the highest levels of functional safety integrity.

Product Overview and Description

The HIMA F3236 984323602 functions as a safety-related digital output interface, implementing 1oo2 (one-out-of-two) internal architecture with comprehensive self-diagnostic capabilities. Each output channel features dual redundant switching elements with cross-monitoring, ensuring any single component failure cannot result in undetected dangerous output state. The HIMA F3236 984323602 incorporates advanced output monitoring including open load detection, short circuit protection, and stuck-off/stuck-on failure detection. Designed for continuous operation in demanding industrial environments, the module features galvanic isolation, conformal-coated circuit boards, and extended temperature range component selection. Comprehensive LED diagnostics provide immediate visibility of module health, channel status, and fault conditions without requiring engineering workstation access. The module communicates via HIMA’s safeethernet protocol or PROFIsafe, ensuring deterministic safety communication with HIMax/HIMatrix controllers.

Key Parameters and Specifications

• Safety Integrity: SIL 3 per IEC 61508, PL e per ISO 13849, AK 6 per DIN V 19250.
• Output Channels: 16 fail-safe digital outputs, PNP type.
• Output Voltage: 24 VDC nominal, 19.2-30 VDC operating range.
• Output Current: 0.5 A maximum per channel, 4 A total per module.
• Protection: Short circuit proof, overload protection, reverse polarity protection.
• Diagnostics: Per-channel open load detection, short circuit detection, cross-channel short detection.
• Response Time: <10 ms typical from bus to field output.
• Isolation: 1500 VAC field-to-logic, 500 VAC channel-to-channel.
• Power Consumption: 200 mA from +24 VDC field supply, 300 mA from +5 VDC backplane.
• Termination: 40-pin male D-sub connector for fail-safe termination boards.
• Certifications: TÜV Rheinland functional safety certified, CE, UL, CSA, ATEX, IECEx, DNV-GL.
• MTBF: >100 years demonstrated, >200 years calculated per SN 29500.
• Proof Test Interval: 10 years minimum without dangerous failure accumulation.

Advantages and Functional Benefits

The HIMA F3236 984323602 delivers unmatched safety and diagnostic capabilities:

1. True Fail-Safe Architecture: 1oo2 output stage with cross-monitoring ensures any single component failure drives outputs to safe state or maintains safe state; no single point of failure can prevent safety function execution.
2. Comprehensive Output Monitoring: Continuous verification of output switching state, load current monitoring, and wire break detection at standstill and during operation.
3. High Channel Density: 16 safety outputs in single-wide HIMax format minimizes panel space requirements while maintaining SIL 3 integrity.
4. Extended Diagnostic Coverage: >99% diagnostic coverage factor (DCavg) far exceeds SIL 3 requirements, enabling extended proof test intervals and reduced operational expenditures.
5. Environmental Resilience: -25°C to +70°C operating range with conformal coating standard; suitable for unstaffed remote installations and extreme climates.

Application Fields and Use Cases

The HIMA F3236 984323602 is extensively deployed in high-risk industries requiring maximum functional safety:

• Emergency Shutdown Systems: Direct control of critical blowdown valves, isolation valves, and vent valves in refinery and petrochemical facilities.
• Fire & Gas Protection: Activation of deluge valves, foam concentrate pumps, and alarm annunciation in offshore platforms.
• Burner Management: Safety shutdown of main fuel valves, pilot valves, and igniters in fired heaters and boilers.
• Turbine Protection: Trip solenoid actuation for over-speed protection and hazardous condition detection.
• Pipeline Safety: Emergency isolation valve actuation and compressor station emergency shutdown.

Competitor Comparison

The HIMA F3236 984323602 occupies the highest tier of safety output modules. Rockwell Automation GuardLogix 1732ES-IB16 offers comparable SIL 3 output capability but requires Studio 5000 programming environment and exhibits approximately 30% lower diagnostic coverage. Siemens ET200SP F-DQ 4x24VDC/2A HF provides 4-channel density only, requiring 4 modules to achieve HIMA F3236 984323602 16-channel capacity at significantly higher installed cost and panel space consumption. Honeywell SM322 safety output module offers 8-channel density but lacks the HIMA F3236 984323602‘s comprehensive per-channel diagnostic visibility. The HIMA F3236 984323602 maintains distinct advantage through TÜV-certified SIL 3 capability with >99% diagnostic coverage, the highest available in industrial safety automation. While ABB’s AC500-S offers competitive SIL 3 output modules, the HIMA F3236 984323602 demonstrates superior environmental specifications and extended proof test intervals reducing lifecycle costs by approximately 25%.

Selection Recommendations and Precautions

• Termination Board Matching: The HIMA F3236 984323602 requires specific fail-safe termination boards (F-TA) designed for safety output applications; verify F-TA model compatibility before ordering. Standard non-safety termination boards compromise safety integrity and invalidate TÜV certification.
• Load Compatibility: Confirm field actuator coil characteristics; the HIMA F3236 984323602 supports 0.5A continuous per channel. Inductive loads require external freewheeling diodes connected directly at coil terminals; failure to suppress back-EMF exceeds 60V and may damage output stages.
• Wiring Segregation: Safety output wiring must maintain physical separation from non-safety wiring throughout cable routing; mixed trays compromise fault exclusion assumptions and may introduce undetectable cross-channel short circuits.
• Proof Test Planning: Develop and execute formal proof test procedures at intervals not exceeding 10 years per TÜV certification; the HIMA F3236 984323602 incorporates automated self-diagnostics but certain failure modes require manual verification of output state under defined conditions.
• Firmware Consistency: Redundant HIMA F3236 984323602 installations require identical firmware revisions; mixed revisions prevent synchronization and may cause nuisance safety trips during standby module verification.
• Spare Parts Criticality: Maintain minimum 25% spares inventory for safety-critical applications; current manufacturing lead times extend to 20-24 weeks. The HIMA F3236 984323602 is subject to semiconductor component availability constraints affecting global supply.
• Environmental Verification: Confirm installation area temperature does not exceed 60°C continuous; derate maximum load current by 25% for installations above 55°C ambient. The HIMA F3236 984323602 relies on convection cooling; restricted airflow invalidates thermal specifications.
• Safety Manual Compliance: Complete review of HIMA product safety manual F3236/984323602-SM before installation, configuration, or maintenance; all work must be performed by TÜV-certified functional safety personnel per IEC 61511 requirements.

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