Description
HIMA X-FAN1003 993201013 Control Processor Discrete I/O Module

In the field of industrial automation, stable equipment operating temperature is one of the core elements to ensure the reliability of Safety Instrumentation Systems (SIS). HIMA X-FAN1003 993201013, an intelligent fan module designed for high-demand industrial environments, serves as a key supporting component of HIMA safety systems with its excellent cooling performance and intelligent control technology. It not only shoulders the responsibility of cooling control cabinets, PLC modules, and core processors but also ensures the system remains safe and stable under extreme working conditions through its sophisticated design. It is widely applicable to scenarios with strict requirements for cooling and reliability, such as petrochemical, power energy, and pharmaceutical industries.
Parameter/Feature |
Detailed Description |
Model |
X-FAN1003 993201013 |
Brand |
HIMA |
Type |
Intelligent Fan Module (Cabinet Cooling Solution) |
Power Supply Voltage |
24 V DC (supports redundant power supply design) |
Speed Range |
800 – 3000 RPM (intelligent temperature-controlled stepless speed regulation) |
Airflow |
Up to 120 m³/h (noise ≤ 55 dB under typical working conditions) |
Operating Temperature |
-20°C ~ +60°C (storage temperature: -40°C ~ +85°C) |
Protection Level |
IP54 (dust and splash proof, suitable for harsh industrial environments) |
Installation Method |
Top/back rail installation in cabinets (supports plug-and-play) |
Intelligent Control |
Built-in temperature sensor for real-time monitoring of cabinet temperature and automatic fan speed adjustment |
Redundant Design |
Supports hot standby redundancy of dual fans, automatically switching when a single fan fails to ensure uninterrupted cooling |
Certifications |
CE, ATEX (explosion-proof certification), IEC 61508 (compliant with functional safety standards) |

The module is equipped with a high-precision temperature sensor that can collect real-time temperature data inside the cabinet and automatically adjust the fan speed through a PID algorithm:
- Low-temperature scenarios: Operates at low speed (energy-saving and noise-reducing);
- High-temperature alarm: Rapidly increases the speed to full load, controlling the temperature within a safe threshold within 5 minutes;
- Extreme working conditions: Supports manual forced cooling mode to deal with sudden temperature anomalies.

Adopting an N+1 redundant architecture, multiple fans can automatically distribute loads when combined. When the main fan fails due to dust blockage, bearing wear, or other reasons, the standby fan seamlessly takes over the cooling task within 200ms, avoiding controller overheating shutdown caused by cooling interruption, especially suitable for critical production lines operating 24 hours a day.
- Dust and vibration resistance: The fan impeller is made of aerospace-grade engineering plastic with a metal protective mesh, which can filter particles ≥0.5mm, adapting to dusty and oily environments;
- Wide temperature operation: Can start directly in low-temperature environments of -20°C (no preheating delay) and operate stably at high temperatures of +60°C without additional cooling systems;
- Long-life design: The ball bearing life is ≥50,000 hours, and the Mean Time Between Failures (MTBF) is >100,000 hours, reducing maintenance frequency.
- Plug-and-play: Supports automatic identification by the HIMA system bus without additional programming or configuration;
- Lightweight design: Each module weighs only 0.6kg, saving cabinet space;
- Visualized operation and maintenance: Equipped with status indicator lights (green: normal operation; yellow: abnormal speed; red: fault alarm) for quick problem positioning.

In the control cabinets of refinery reactors, the X-FAN1003 provides cooling for explosion-proof PLC modules. Facing dust and corrosive gases in oil and gas environments, its IP54 protection level and metal casing effectively isolate pollutants. At the same time, it has obtained ATEX explosion-proof certification to ensure safe operation in flammable and explosive scenarios.
In the steam turbine control systems of power plants, the module monitors the temperature inside the control cabinet in real time. When the heat increases sharply due to full-load operation of the unit, the intelligent speed regulation function can reduce the temperature from 55°C to 40°C within 30 seconds, avoiding problems such as oxidation of relay contacts and aging of circuit boards caused by high temperatures, and ensuring stable grid control.
In the automation control systems of sterile workshops, the X-FAN1003 operates in a low-noise (≤50 dB) mode to avoid disturbing the production environment. At the same time, its dust-proof design prevents fan dust accumulation from polluting the clean space, meeting GMP compliance requirements.
- Basic cooling solution: Single fan module (X-FAN1003) is suitable for small control cabinets (volume ≤1m³) or low-power systems;
- Redundant cooling solution: Dual-fan combination (X-FAN1003 ×2) with a redundant controller is used for medium-sized cabinets (1-3m³) and scenarios with high reliability requirements;
- Customized solution: Supports 联动 (integration) with HIMA air conditioning modules (such as X-AC1001) to form a multi-stage cooling system of “fan pre-cooling + air conditioning precision control” to address heat dissipation challenges in tropical high-temperature regions or for high-power equipment.
- Regular maintenance: It is recommended to clean the fan filter (supports quick disassembly) every quarter and check the bearing lubrication every year;
- Firmware upgrade: Remote update of fan control programs through HIMA engineering software to optimize cooling strategies;
- Technical support: HIMA’s global service network provides 7×24-hour fault response, with free spare parts replacement during the warranty period.
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