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Phone: +86 16626708626Description
The HIMA F3236 is a specialized digital input module designed for safety-critical industrial automation environments, where reliability and rapid fault detection are paramount. Commonly used in process industries such as chemical plants, nuclear facilities, and rail systems, the F3236 supports safety isolation and is tasked with monitoring multiple discrete signals, such as emergency stops or safety interlocks, ensuring fail-safe operation. Its real-world application spans demanding control systems where compliance with SIL 3 (IEC 61508/61511) and Category 4 (EN 954-1) standards is mandatory, making it highly suitable for operators aiming to enhance process safety and reduce risks of hazardous events.
The HIMA F3236 module features 16 digital input channels and accepts input types including 1-signal (6 mA) or mechanical contact signals at 24 V DC. It operates on either 5 V or 24 V DC with a low power draw and a rapid switching time of approximately 8 milliseconds, enabling timely responses in critical safety applications. Internally, it employs an Intel 386EX microprocessor clocked at 25 MHz, equipped with 1 MB of flash EPROM for firmware and 1 MB SRAM for data processing, providing robust computing power for fast and secure data handling. The compact, panel-mountable module is engineered for harsh environments, functioning reliably between -20 °C and +60 °C with high humidity resistance.
- F3236
From a systems integration perspective, the F3236 fits into HIMA’s HIQuad X safety controller systems as a field I/O module, enhancing the scalability and flexibility of safety architectures without requiring changes to existing wiring during upgrades. The module incorporates automatic channel testing and advanced diagnostic features that continually check for faults, driving the system into a safe state if anomalies are detected, thereby supporting continuous operational integrity.
Key technical specifications of the HIMA F3236 include:
| Parameter | Value |
|---|---|
| Model | F3236 |
| Brand | HIMA |
| Product Type | 16-Channel Digital Input Module |
| Input Types | 1-signal 6 mA / Mechanical contact 24 V DC |
| Power Supply | 5 V DC (120 mA) / 24 V DC (200 mA) |
| Switching Time | Approx. 8 ms |
| Processor | Intel 386EX, 25 MHz clock |
| Memory | 1 MB Flash EPROM, 1 MB SRAM |
| Operating Temperature | -20 to +60 °C |
| Weight | 0.15 to 0.6 kg (varies by package) |
| Certifications | SIL 3 (IEC 61508/61511), Category 4 (EN 954-1) |
| Environmental Rating | High humidity resistance (up to 95%) |
Installation considerations include securing the module within appropriate enclosures with sufficient ventilation and grounding to optimize signal integrity and minimize interference. Maintenance best practices involve regular inspection for physical and electrical integrity, leveraging its built-in diagnostics for early fault detection, and coordinating firmware updates within the HIQuad system environment for optimal performance.
