HIMA F3236 digital input module

🔧 HIMA F3236 Digital Input Module: Technical Specifications Overview

The HIMA F3236 is a 16-channel digital input module designed for high-reliability safety-critical applications in industrial automation systems, particularly in Safety Instrumented Systems (SIS). It complies with international safety standards (e.g., IEC 61508 SIL 3) and features redundant architecture, robust environmental adaptability, and advanced diagnostic capabilities. Below is a detailed breakdown of its technical specifications:

📊 1. Basic Specifications

• Input Channels: 16 channels for digital input signals .
• Input Types:
  • Supports 6 mA current signals (including cable connectors) or 24 V mechanical contacts .
  • Configurable for safety-related sensors with isolation requirements (AK 1–6) .
• Switching Time: Typical value of 8 ms .
• Power Supply:
  • 5 V DC: Consumes 120 mA .
  • 24 V DC: Consumes 200 mA .
• Weight: Approximately 1 kg  (Note: Some sources mention 5 kg , but 1 kg is more consistent with modular design).
• Dimensions: Compact form factor, requiring 4 TE (Terminal Equivalents) of space .

⚙️ 2. Environmental & Mechanical Specifications

• Operating Temperature: -20°C to +60°C .
• Storage Temperature: -40°C to +85°C .
• Humidity Range: 5% to 95% relative humidity (non-condensing) .
• Protection Rating: IP20 or higher .
• Vibration/Shock Resistance: Complies with IEC 60068-2-6 (vibration) and IEC 60068-2-27 (shock) .
• Altitude: Operates at elevations up to 3,300 meters .
• Atmospheric Pressure: 86 kPa to 106 kPa .

🖥️ 3. Hardware Architecture & Performance

• Processors: Dual clock-synchronized microprocessors (e.g., Intel 386EX, 32-bit, 25 MHz) for redundancy and parallel processing .
• Memory:
  • Flash EPROM for OS and user programs (≥100,000 write cycles) .
  • SRAM with battery backup for data storage .
• Redundancy: Supports Quadruple Modular Redundant (QMR) configurations for high availability .
• Isolation: Electrical isolation between channels and bus .
• Diagnostics:
  • LED indicators for system, I/O, and project status .
  • Automatic self-testing for faults (e.g., input cross-talk, capacitor functionality) .
  • Stores up to 500 diagnostic messages per I/O module and 2,500 in the processor .
• Communication Interfaces:
  • Two electrically isolated RS485 ports (max. 57,600 bps) .
  • Supports PROFIBUS DP, Modbus TCP/IP, and other industrial protocols .

🛡️ 4. Safety & Compliance

• Safety Certification: SIL 3 (IEC 61508/61511) and TÜV AK6 .
• Redundancy Features:
  • Configurable in XMR (2oo4D, 4oo8D) architectures for fault tolerance .
  • Watchdog timer triggers safe state on fault detection .
• Applications: Emergency shutdown (ESD), safety interlocking, and critical signal monitoring in industries like (chemical), (oil/gas), (power), and (transportation) .

🔌 5. Installation & Integration

• Mounting: DIN rail or panel-mounted .
• Compatibility:
  • Integrates with HIMA PLC series (C300, C500, C700) and mainstream DCS .
  • Compatible with PROFIBUS, Modbus, and HART protocols .
• Maintenance:
  • Hot-swappable for redundant configurations .
  • Maintenance logs record operations (e.g., downloads, restarts) .

📋 6. Additional Features

• Scan Time: Processes 1,000 I/O points in 50 ms (50% analog, 50% digital) .
• PID Performance: Computes 1,000 PID loops in 5 ms .
• System Scalability:
  • Supports up to 200 I/O modules and 16 racks per system .
  • Each cabinet can handle 1,472 I/O points .

💎 Summary

The HIMA F3236 is a high-reliability digital input module tailored for safety-critical environments. Its key strengths include SIL 3 certification, flexible redundancy options, robust environmental tolerance, and advanced diagnostics. It is widely used in industries like oil/gas, chemical, power, and transportation for applications requiring fail-safe operation.