HIMA F3DIO20/802
The HIMA F3DIO20/802 is a high-performance digital input/output module designed for safety-critical applications in industrial automation. Below is a detailed overview of its technical specifications, features, and applications, synthesized from the search results.
📊 1. General Overview
- Function: The HIMA F3DIO20/802 is a safety-related digital I/O module used for industrial automation and control systems. It is part of HIMA’s F3 series and is designed to handle both input and output signals in safety-critical environments .
- Safety Certification: It complies with SIL 3 (Safety Integrity Level 3) as per the IEC 61508 standard, making it suitable for applications where high reliability and safety are paramount .
⚙️ 2. Technical Specifications
Here is a summarized table of the key technical parameters:
| Parameter | Specification |
|---|---|
| Input Channels | 20 digital inputs |
| Output Channels | 8 digital outputs |
| Input Current | 5mA |
| Output Current | 500mA (sourcing or sinking) |
| Operating Voltage | 24V DC |
| Voltage Range | DC 24V |
| Operating Temperature | -40°C to +70°C |
| Protection Level | IP20 or IP65 |
| MTBF (Mean Time Between Failures) | >150 years |
| Dimensions | 86 mm (W) × 246 mm (H) × 122 mm (D) |
| Weight | Approximately 1.7 kg |
| Interface | F3 interface or safeEthernet for connecting to HIMax or HIMatrix controllers |
| Safety Level | SIL 3 (IEC 61508) |
💡 3. Key Features
- Redundancy and Diagnostics: The module incorporates redundant design and fault self-diagnosis capabilities, ensuring high reliability and quick fault detection .
- Protection Mechanisms: It includes overload protection, overvoltage protection, and short-circuit protection to safeguard the system and connected devices .
- Hot-Swappable: Supports hot-swapping, allowing for maintenance and replacement without shutting down the entire system .
- Compact Design: The metal housing is compact and robust, making it suitable for space-constrained applications .
- Logic Operations: Supports basic safety functions like AND, OR, NOT logic operations and time delay functions .


Main brand model
ABB, GE, Allen Bradley, Honeywell, Emerson, Bently Nevada, Prosoft, Siemens, Westinghouse, Triconex, Foxboro, ICS Triplex, Hima, Schneider, Yokogawa, Woodward, B&R, KEBA, etc
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