The HIMA F7126 operates as a high-efficiency DC/DC converter, designed to interface with a 24 V DC input source and deliver a stable 5 V DC output, adjustable within a ±0.5 V range. This makes it an ideal power source for a wide range of safety-related components, including HIMA’s own safety PLCs and I/O modules. What sets the HIMA F7126 apart is its advanced protection features: it incorporates overvoltage protection, set to activate at 6.5 V ±0.5 V, shielding connected devices from harmful voltage spikes. The module also features built-in current limitation, capped at approximately 13 A, preventing overloading that could cause damage to the power supply or downstream components. Additionally, the output is short circuit proof, ensuring that any accidental short circuits are safely managed without disrupting the overall system.
Model Number F7126
Brand HIMA
Type DC/DC Power Supply Module
Input Voltage 24 V DC (-15% to +20% tolerance), ripple < 15%
Output Voltage 5 V DC (adjustable ±0.5 V); factory preset at 5.4V DC ± 0.025V
Output Current 10 A; current limitation at approximately 13 A
Efficiency ≥77%
Protection Features Overvoltage protection (set at 6.5 V ±0.5 V), short circuit proof, current limitation
Primary Fuse 6.3A, slow-blow
Adjustment & Monitoring Test socket on front plate; adjustable output voltage via potentiometer
Operating Conditions Operating voltage range: 24 V DC (-15% to +20% tolerance), ripple < 15%
Space Requirements 8 TE
Compliance Interference limit: Class B, according to VDE 0871/0877
Dimensions: 2.5 cm x 12.7 cm x 20.3 cm (approx.)
Weight 0.6 kg (approx.)
The HIMA F7126 operates as a high-efficiency DC/DC converter, designed to interface with a 24 V DC input source and deliver a stable 5 V DC output, adjustable within a ±0.5 V range. This makes it an ideal power source for a wide range of safety-related components, including HIMA’s own safety PLCs and I/O modules. What sets the HIMA F7126 apart is its advanced protection features: it incorporates overvoltage protection, set to activate at 6.5 V ±0.5 V, shielding connected devices from harmful voltage spikes. The module also features built-in current limitation, capped at approximately 13 A, preventing overloading that could cause damage to the power supply or downstream components. Additionally, the output is short circuit proof, ensuring that any accidental short circuits are safely managed without disrupting the overall system.
F7126
On the front plate of the HIMA F7126, users will find a test socket and a potentiometer. The test socket allows for easy monitoring of the output voltage, providing a convenient way to verify the module’s performance. The potentiometer, factory – preset to 5.4 V DC ±0.025 V, enables users to fine – tune the output voltage as needed, offering flexibility in different application scenarios. The module’s internal circuitry is designed with safe isolation between the input and output voltages, further enhancing its safety and reliability. When operating in parallel with other HIMA F7126 modules, it’s crucial to ensure that the difference between their output voltages does not exceed 0.025 V to avoid unbalanced loads.
F7126
Main features and advantages:
The HIMAF7126offers several tangible benefits that directly contribute to the safety and efficiency of industrial systems. First and foremost, its stable power output ensures that connected safety components function within their specified parameters. In a chemical plant, for example, where safety PLCs rely on consistent power to execute emergency shutdown logic, the HIMA F7126‘s ability to maintain a steady 5 V DC output is critical. Even in the face of input voltage fluctuations, the module’s regulation features prevent any impact on the downstream devices, reducing the risk of false alarms or, worse, failure to initiate safety actions when required.
Another significant advantage is its built – in protection mechanisms. The overvoltage and short circuit protection features act as a first line of defense against electrical faults. In a power generation facility, where electrical noise and transient voltage spikes are common, the HIMA F7126‘s overvoltage protection can prevent damage to sensitive I/O modules and sensors. The short circuit proof design ensures that in the event of a wiring issue or component failure, the power supply module itself remains operational, minimizing downtime and potential hazards.
The HIMA F7126 also simplifies system integration. Its compact size and 8 TE space requirement make it easy to install in standard HIMA enclosures, alongside other safety components. The module’s compatibility with a wide range of HIMA products, including safety controllers and I/O modules, streamlines the process of building or upgrading safety systems. For facilities looking to expand or modernize their safety infrastructure, the HIMA F7126 offers a seamless integration option, reducing engineering complexity and costs.
F7126
Technical specifications:
Model Number F7126
Brand HIMA
Type DC/DC Power Supply Module
Input Voltage 24 V DC (-15% to +20% tolerance), ripple < 15%
Output Voltage 5 V DC (adjustable ±0.5 V); factory preset at 5.4V DC ± 0.025V
Output Current 10 A; current limitation at approximately 13 A
Efficiency ≥77%
Protection Features Overvoltage protection (set at 6.5 V ±0.5 V), short circuit proof, current limitation
Primary Fuse 6.3A, slow-blow
Adjustment & Monitoring Test socket on front plate; adjustable output voltage via potentiometer
Operating Conditions Operating voltage range: 24 V DC (-15% to +20% tolerance), ripple < 15%
Space Requirements 8 TE
Compliance Interference limit: Class B, according to VDE 0871/0877
Dimensions: 2.5 cm x 12.7 cm x 20.3 cm (approx.)
Weight 0.6 kg (approx.)
The HIMA F7126 is a staple in industries where safety and reliability are non – negotiable, demonstrating its value in applications that demand consistent power delivery. In the oil and gas industry, it is commonly used to power safety PLCs and I/O modules in offshore platforms. Here, the module’s ability to withstand harsh environmental conditions, combined with its reliable power output, is essential. Offshore platforms are exposed to salt spray, humidity, and vibration, all of which can affect the performance of electronic components. The HIMA F7126‘s robust design and protection features ensure that it continues to operate flawlessly, powering the safety systems that protect personnel and prevent environmental disasters.
Chemical processing plants also rely heavily on the HIMA F7126 to power their safety – critical instrumentation. In a plant producing hazardous chemicals, safety sensors and actuators need a stable power source to function correctly. The HIMA F7126‘s precise voltage regulation and protection mechanisms ensure that these devices receive the power they need, when they need it. For example, in a reactor safety system, where temperature and pressure sensors are constantly monitored, the HIMAF7126‘s stable power output guarantees accurate readings, enabling the safety system to respond promptly to any abnormal conditions.
Power generation facilities, too, benefit from the HIMA F7126‘s capabilities. In a thermal power plant, the module can be used to power the safety PLCs that control the emergency shutdown of turbines in case of a malfunction. The HIMA F7126‘s high – reliability power supply ensures that these critical safety functions are always available, even during grid disturbances or power outages in the plant’s auxiliary systems. In each of these settings, the HIMA F7126 proves that a reliable power supply is not just a technical requirement but a fundamental element of safe and efficient industrial operations.
F7126
Related products:
HIMA F7126 – E – An enhanced version with a wider input voltage range (18 V DC to 36 V DC), designed for applications where input voltage stability is a concern. It also features an improved efficiency rate of >85%, making it more energy – efficient.
HIMA F7125 – A lower – current variant, offering a 5 A output, suitable for applications with less demanding power requirements. It shares many of the protection and adjustment features of the F7126 but in a more compact form factor.
HIMA F7127 – A high – power module with a 15 A output capacity, designed for applications that require more substantial power delivery. It also includes advanced thermal management features to handle the higher power dissipation.
HIMA F7126 – EX – An explosion – proof variant, certified for use in Zone 1 hazardous areas. It has a reinforced enclosure and additional safety features to prevent ignition sources, making it suitable for use in environments with explosive gases or dust.
HIMA F7126 – R – A redundant power supply module, designed for applications where continuous operation is essential. It features dual power inputs and automatic failover, ensuring that power is never interrupted, even in the event of a module failure.
HIMA F7126 – HD – A high – density version, designed to fit more power supply capacity into a smaller space. It offers the same functionality as the standard F7126 but in a more compact 6 TE form factor.
HIMA F7126 – LT – A long – term support model, with extended component availability and a longer warranty period. It is designed for applications where system longevity and support are crucial, such as in critical infrastructure projects.
Installation and maintenance:
Before installing the HIMA F7126, it is essential to verify that the input power source meets the module’s requirements. The 24 V DC input should be within the -15% to +20% tolerance range, with a ripple factor of less than 15%. Check the installation location for available 8 TE space and ensure that there is sufficient ventilation to dissipate the heat generated by the module during operation. Inspect the wiring connections to ensure they are properly terminated and that the primary fuse (6.3 A, slow – blow) is correctly installed.
For ongoing maintenance, regularly monitor the output voltage using the test socket on the front plate. Compare the measured voltage with the factory – preset or adjusted value to ensure that the module is operating within the specified tolerance. Check the module for any signs of overheating, such as discoloration or unusual odors. Although the HIMA F7126 is designed to be highly reliable, periodic visual inspections can help identify any potential issues early. If operating multiple F7126 modules in parallel, use a multimeter to verify that the output voltage difference between modules does not exceed 0.025 V.