HIMA F7126
HIMA F7126
HIMA F7126
HIMA F7126
HIMA F7126
HIMA F7126
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F7126

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HIMA F7126 is a 24 V DC to 5 V DC power supply module for H51q PES automation systems, providing safely isolated DC/DC conversion with current limitation, overvoltage protection, and short-circuit-proof operation.
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Technical specifications for F7126

  • Manufacturer:
    HIMA
  • Part Number:
    F7126
  • Product Family:
    HIMA HIQuad® X
  • Product Type:
    Power Supply Module
  • Stock:
    1
  • Operating data:
    24 V DC, -15 ... +20 %, rpp < 15%
  • Primary fuse:
    6.3 A träge
  • Output voltage:
    5 V DC – 0.5V adjustable without steps
  • factory adjustment:
    5.4 V DC – 0.025 V
  • Output current:
    10 A
  • Current limitation:
    approx. 13 A
  • Overvoltage protection:
    set to 6.5 V/ – 0.5V
  • Efficiency rate:
    ≥ 77%
  • Interference:
    Limit class B according to VDE 0871/0877
  • Space requirement:
    8 TE
  • Weight:
    0.6 kg
  • Estimated shipping dimensions:
    4x19x12.8cm
  • Tariff Code:
    8473309000
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Operation Standards Application Scenarios

Features:

  • Converts 24 V DC input into a stable 5 V DC output with safe electrical isolation.
  • Provides current limitation, overvoltage protection, and short-circuit protection for reliable operation.
  • Supports adjustable output voltage and balanced operation when multiple power supply modules are used redundantly.
Within an H51q PES installation, the HIMA F7126 forms the link between the 24 V DC main power source and the lower-voltage supply needed by the automation electronics. Converting the incoming supply to 5 V DC allows the module to support the internal power requirements of the control system from a standard 24 V DC source. Safe isolation between both voltage sides adds separation to the power path. The 10 A output capacity supports substantial system loading within the specified module limits. An 8 TE footprint allows the power conversion function to be incorporated directly into the PES hardware arrangement.

Protection functions are an important part of the HIMA F7126 power architecture. Current is limited at approximately 13 A, while the output remains protected against short circuits. Overvoltage protection is set around 6.5 V with the stated 0.5 V tolerance, helping prevent excessive output voltage from reaching connected system electronics. A 6.3 A slow-blow fuse protects the primary side, and conversion efficiency is at least 77%. Limit Class B compliance according to VDE 0871/0877 also defines the module's interference performance within the automation environment.

The HIMA F7126 also provides practical facilities for installation, commissioning, and redundant power arrangements. A test socket on the front plate gives maintenance personnel an accessible point for checking the output, while the front potentiometer enables continuous voltage adjustment of approximately 0.5 V. Factory adjustment is 5.4 V DC within 0.025 V, providing a defined reference before installation-specific trimming. When redundant F7126 units share the supply task, their output voltages need to remain within 0.025 V of each other to prevent unbalanced loading. Combined with the permitted 24 V DC input range of -15% to +20% and ripple below 15%, the module provides a controlled power source for H51q PES applications.

The F7126 HIMA Power Supply Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
HIMA F7126 Power Supply Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
HIMA F7126 Power Supply Module Specs

General

  • Manufacturer HIMA
  • Model F7126
  • Condition New Original ready stock
  • Product Family F7133,F7131,F7130
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Input Conversion: The module receives a 24V DC external mains power input and efficiently converts it to a regulated 5V DC through internal safety isolation circuitry.
  • Voltage Fine-tuning: Supports output fine-tuning via the potentiometer on the front operation panel. The factory default setting is 5.4V DC ± 0.025V.
  • Load Current Limiting: When the current in the back-end central unit or input/output bus is too high, the module will automatically trigger internal electronic current limiting protection when the current reaches approximately 13A.
  • Redundancy Current Sharing: When multiple modules are running in parallel, the output voltage difference between each module must be controlled within 0.025V to ensure load balance and seamless switching between units.
  • Status Monitoring: Real-time indication of 5V output status via an integrated green LED on the front, along with a test jack for online measurement by engineers.
  • Electrical Isolation: Meets stringent safety isolation standards, ensuring a reliable electrical isolation barrier between the high-voltage side and the internal low-voltage logic circuitry.
  • Mechanical Structure: Employs a standard pluggable board design, with physical width strictly conforming to the 8 TE (rack unit) industrial mounting standard.
  • Environmental Tolerance: Designed to meet industrial-grade operating environment specifications, maintaining stable full-rated power output even in harsh industrial environments with high temperatures and electromagnetic interference.
  • System Compatibility: Fully compatible with the central rack and expansion rack electrical standards of the HIMA HIQuad (H41q/H51q) programmable electronic safety system.
  • Safety System Power Supply: Primarily used for powering the central processing unit (CPU) of emergency shutdown (ESD) systems and fire and gas monitoring (F&G) systems.
  • I/O Module Support: Provides highly stable low-voltage logic operation power for the input/output buses and supporting sensor interfaces of the safety system.
  • Critical Equipment Redundancy: Offers 1+1 or N+1 critical power redundancy configurations for applications requiring uninterrupted operation in chemical, oil refining, and special industries.
  • Historical System Maintenance: Widely used for the technical upgrading, spare parts replacement, and extended lifecycle maintenance of existing HIQuad safety control cabinets.
Description
The HIMA F7126 power supply module converts a 24 V DC main supply into the 5 V DC supply required by H51q PES automation systems. Its operating input is 24 V DC with a tolerance of -15% to +20% and ripple below 15%, while the primary circuit is protected by a 6.3 A slow-blow fuse. Safe isolation between input and output separates the incoming supply from the automation system supply, supporting dependable power distribution within the PES configuration.

HIMA F7126 provides an output current of 10 A and limits current at approximately 13 A. The output voltage can be adjusted continuously by approximately 0.5 V, with a factory adjustment of 5.4 V DC within 0.025 V. Overvoltage protection is set around 6.5 V with the specified 0.5 V tolerance, and the output remains short-circuit proof. With an efficiency of at least 77%, the module combines voltage conversion and essential electrical protection in one 8 TE assembly.

For commissioning and maintenance, the HIMA F7126 front plate includes a test socket and a potentiometer that allows the output voltage to be adjusted directly. The module also supports redundant power supply arrangements, but balanced loading requires close matching of the individual output voltages. When multiple F7126 modules operate redundantly, the difference between their output voltages must not exceed 0.025 V. Interference characteristics meet Limit Class B according to VDE 0871/0877, making the module suitable for integration into H51q automation system power configurations.
Alternative Names
F7I26 F 7126 F7133 F7131 F7130A F7130 F7105A F7553
Technical notes
As a core components for H41q and H51q safety systems, the HIMA F7126 DC/DC converter delivers a dependable 10 A load capacity to sustain legacy safety architectures. It serves as an essential, hot-swappable replacement part to maintain certified functional safety standards in high-demand industrial plants.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What function does the HIMA F7126 perform in an H51q PES system?
The HIMA F7126 converts a 24 V DC main supply into a 5 V DC output for powering the automation system. Safe electrical isolation separates the input and output sides of the DC/DC converter.
How can the output voltage of the HIMA F7126 be adjusted?
A potentiometer on the front plate allows continuous output voltage adjustment. A test socket is also available on the front panel to support voltage checking during adjustment and commissioning.
Can the HIMA F7126 operate with a 24 V DC supply that varies from nominal voltage?
Yes. The specified operating range accepts 24 V DC with -15% to +20% tolerance, while ripple must remain below 15%.

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