The HIMA F7126 is a robust 10 A power supply module designed for H41q and H51q safety systems. Featuring a 6.3 A integrated fuse and 220V compatibility, this German-engineered module ensures stable power delivery and overcurrent protection for critical industrial automation components.
The HIMA F7126 functions as a high-performance power supply module specifically engineered for the H41q and H51q safety-related automation series. This essential component stabilizes and distributes power across the system rack, ensuring that safety processors and I/O modules receive consistent voltage. By integrating advanced filtration and protection circuitry, the F7126 maintains system integrity within demanding Distributed Control System (DCS) architectures and safety-critical environments.
Technical Functionality and Safety Features
This module converts and regulates industrial input power to provide a steady energy source for the entire safety rack. It incorporates a dedicated 6.3 A primary fuse to offer immediate overcurrent protection, which effectively isolates the internal circuitry from external electrical faults. With a substantial output current capacity of up to 10 A, the F7126 supports extensive hardware configurations, allowing multiple high-draw modules to operate concurrently without voltage drops.
Construction: Modular plug-in design for HIMA subracks
Physical Dimensions: 40 mm x 190 mm x 128 mm
Net Weight: 0.6 kg
Compliance: CE and UL Certified for industrial safety
Origin: Germany
Industrial Applications
The F7126 Power Supply Module is a foundational element in systems requiring continuous uptime and functional safety. Professionals typically implement this module in:
Emergency Shutdown (ESD) power distribution
Reliable power sourcing for Safety Instrumented Systems (SIS)
Critical control loops in oil and gas refineries
Power management for automated burner control units
The GE IC695PSA140, also cataloged as the IC695PSA140 Power Supply Module, operates as a dedicated hardware component for power distribution and backplane bus regulation within PACSystems RX3i platforms.
Hardware Specifications
Parameter
Specification
Model
IC695PSA140
Brand
GE
Origin
USA
Weight
0.64 kg
Dimensions
4 x 21.7 x 29.1 cm
Operating Temp
0 deg C to 60 deg C
Power Consumption / Output
40 W max output; Input: 85-264 VAC or 100-300 VDC
Backplane Bus Communication and Firmware Compatibility
The module interfaces directly with the PACSystems RX3i backplane bus, supporting high-speed deterministic data exchange and status monitoring across connected CPU and I/O modules. Firmware flash compatibility ensures that system updates can be deployed directly through the programming environment without requiring hardware replacement. Multiple power supply modules can operate in parallel on a single backplane to provide load sharing and redundancy, maintaining stable bus voltage levels during high-current transient states.
Frequently Asked Questions
Q: What is the maximum number of power supplies supported in a single RX3i rack?A: Up to four power supplies can be installed in a single rack to support high-density configurations and load sharing.Q: How does the module handle input power interruptions?A: It provides a ride-through time of 20 milliseconds during a power failure to maintain reliable output states before shutdown.
Field Installation Guidelines
Ensure the rack is powered off before inserting or removing the power supply module. Mount the module securely into two designated backplane slots, locking the top and bottom latches to ensure proper mechanical and electrical seating. Connect the AC or DC power source to the terminal block in accordance with local electrical codes, ensuring proper earth grounding to the chassis ground stud to protect against surge voltages and electrical noise.
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