HIMA F3236

Description

1. Product Overview

2. Product Parameters

2.1 Core Input Specifications

• Input Channels: 16 isolated digital input channels (2 channels per group, galvanic isolation between groups)
• Input Type: Dry contact (NO/NC), wet contact (24V DC), high-speed pulse signals (up to 50kHz)
• Input Voltage Range: 18-30V DC (wet contact), 0-5V DC (TTL-compatible)
• Response Time: ≤100µs (signal detection to backplane transmission—20x faster than standard DI modules)
• Isolation Rating: 500V AC between channels (group-to-group), 2500V AC between module and backplane

2.2 Electrical & Communication Parameters

• Power Supply: 24V DC (supplied by HIMA SIS rack), power consumption ≤10W
• Backplane Interface: HIMA SafetyBUS p (HIMax) or Ethernet (HIMatrix), 100Mbps full-duplex
• Diagnostic Features: Open-circuit detection, short-circuit detection, edge detection (rising/falling), module self-test (BIT), fault status feedback to host system
• Input Logic: Configurable (normally open/normally closed, positive/negative logic, edge trigger mode)
• Redundancy Support: Compatible with HIMA’s 1oo2 and 2oo3 fault-tolerant SIS architectures

2.3 Environmental & Mechanical Parameters

• Operating Temperature: -20°C to +60°C (industrial-grade range)
• Storage Temperature: -40°C to +85°C
• Relative Humidity: 5% to 95% (non-condensing), IP20 protection
• Vibration Resistance: 5-2000Hz, 3g (IEC 60068-2-6, X/Y/Z axes—enhanced for high-vibration environments)
• Shock Resistance: 20g (11ms half-sine wave, IEC 60068-2-27)
• Mounting: HIMA HIMax/HIMatrix rack-mounted, hot-swappable (plug-in module)
• Dimensions: 48mm (W) × 220mm (H) × 180mm (D), standard rack compatibility

2.4 Certifications & Compatibility

• Safety Certifications: SIL 3 (IEC 61508/61511), TÜV Rheinland, ATEX Zone 2 (Ex nA IIC T4)
• Industry Certifications: CE, UL/cUL Class 1 Div 2, FCC Class A, RoHS
• Compatibility: HIMA HIMax H51q/H81 controllers, HIMatrix F65/F75 modules, HIMA SafetyBUS p networks
• MTBF: ≥1,100,000 hours (per Telcordia SR-332 standards)

3. Advantages & Features

1. Ultra-High-Speed Response: With ≤100µs signal detection, HIMA F3236 excels in time-critical safety applications (e.g., pipeline leak detection, turbine overspeed protection) where even millisecond delays could lead to equipment damage or safety hazards.
2. High-Frequency Pulse Support: The module’s ability to process up to 50kHz pulse signals makes HIMA F3236 compatible with high-speed sensors (e.g., flow meters, encoders), eliminating the need for specialized pulse capture modules and reducing system complexity.
3. Isolated Channel Design: Galvanic isolation between channel groups prevents cross-channel interference and protects against electrical noise, ensuring reliable signal detection in harsh industrial environments (e.g., near VFDs or high-voltage equipment).
4. Advanced Edge Detection: Configurable rising/falling edge trigger modes allow HIMA F3236 to precisely capture transient signals (e.g., pressure spikes, emergency stop button presses), critical for high-speed process interlocks.
5. Hot-Swappable & Redundancy-Ready: HIMA F3236 supports hot-swapping in live SIS systems and integrates with HIMA’s fault-tolerant architectures, minimizing downtime for maintenance and ensuring no single point of failure.

4. Application Fields & Cases

4.1 Application Fields

• Oil & Gas: Pipeline leak detection (high-speed pressure switches), compressor anti-surge control, LNG loading arm emergency stops
• Petrochemical: High-speed reactor interlocks, batch process sequencing, extruder safety controls
• Power Generation: Turbine overspeed protection, generator circuit breaker interlocks, wind turbine pitch control safety signals
• Manufacturing: High-speed packaging line safety guards, robotic cell emergency stops, automotive assembly line interlocks

4.2 Typical Cases

1. Natural Gas Pipeline Monitoring: A European pipeline operator deployed HIMA F3236 modules in its HIMax SIS to monitor 64 high-speed pressure sensors across 400km of pipeline. The module’s ≤100µs response time detected a rapid pressure drop (indicating a leak) and triggered isolation valve closures within 50ms, preventing a potential gas explosion and environmental damage.
2. Turbine Overspeed Protection: A U.S. power plant integrated HIMA F3236 into its HIMatrix SIS to protect steam turbines from overspeed events. The module processed signals from encoder-based speed sensors (50kHz pulses) and triggered emergency shutdowns within 200µs of detecting overspeed, avoiding catastrophic turbine failure.
3. High-Speed Packaging Line Safety: A food and beverage manufacturer used HIMA F3236 to monitor safety light curtains on a bottling line running at 1,000 bottles per minute. The module’s edge detection capability captured broken beam signals (indicating worker intrusion) and stopped the line within 10ms, preventing injuries and equipment damage.

5. Competitive Comparison

6. Selection Suggestions & Precautions

6.1 Selection Suggestions

1. Speed & Pulse Needs: Choose HIMA F3236 for high-speed safety applications (≤1ms response required) or systems with high-frequency pulse sensors (e.g., encoders); use standard HIMA F3211 modules for low-speed discrete inputs.
2. Vibration & Environment: Opt for HIMA F3236 in high-vibration environments (e.g., turbines, compressors) due to its enhanced 3g vibration rating; competitor high-speed modules may lack this durability.
3. System Compatibility: Select HIMA F3236 for integration with HIMA HIMax/HIMatrix SIS to ensure full diagnostic and redundancy support; third-party high-speed modules may not be SIL 3-certified.

6.2 Precautions

1. Installation Guidelines:
   • Install HIMA F3236 in HIMA-certified racks only; use shielded twisted-pair cables (24 AWG or larger) for high-speed pulse inputs to minimize EMI and signal degradation.
   • Maintain minimum 5cm clearance from high-voltage equipment or VFDs to avoid electrical interference with high-speed signals.
2. Configuration Notes:
   • Configure edge trigger modes (rising/falling) via HIMA Safety Workbench software to match sensor output (e.g., falling edge for emergency stop buttons).
   • Set input filtering to the minimum required (≤100µs) for high-speed applications—excessive filtering will negate the module’s speed advantage.
3. Troubleshooting:
   • For missed high-speed pulses: Check cable shielding, verify sensor output frequency (≤50kHz), and ensure module firmware is up-to-date (via Safety Workbench).
   • For false edge triggers: Inspect for EMI (reposition cables away from power lines) or sensor noise; enable minimal filtering if needed.
   • Hot-swapping: Follow HIMA procedures (deactivate the module via software) to avoid disrupting redundant systems during replacement.
4. Maintenance:
   • Inspect connector pins and backplane contacts every 12 months for corrosion; clean with HIMA-approved contact cleaner to preserve signal integrity for high-speed inputs.
   • Test response time and pulse capture accuracy every 2 years using a calibrated signal generator (50kHz max) to ensure compliance with safety requirements.
   • Stock spare HIMA F3236 modules for critical high-speed applications—lead times for specialized SIS components may be longer than standard modules.

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