Product Overview
The HIMA F7126 serves as a critical DC/DC power supply for H41q and H51q safety systems. This module converts 24V DC input into a stable 5V DC output for processors and I/O cards. Consequently, it delivers isolated, regulated power that meets SIL 3 safety requirements. Engineers rely on this unit for continuous operation in demanding industrial environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Input Voltage | 24V DC (-15% to +20%, ripple < 15%) |
| Output Voltage | 5V DC ± 0.5V (adjustable) |
| Factory Setting | 5.4V DC ± 0.025V |
| Output Current | 10A continuous |
| Current Limit | Approx. 13A |
| Overvoltage Protection | 6.5V ± 0.5V |
| Primary Fuse | 6.3A slow-blow |
| Efficiency | ≥ 77% |
| Isolation | Safe galvanic isolation input/output |
| Space Requirement | 8 TE (Eurocard) |
| Weight | Approx. 0.3 kg |
| Operating Temperature | 0°C to +60°C |
| Safety Rating | SIL 3 (IEC 61508) |
Protection Features
The HIMA F7126 includes comprehensive protection circuits for reliable operation. The output remains short-circuit proof under all load conditions. Furthermore, overvoltage protection activates at 6.5V to safeguard downstream components. Current limitation at 13A prevents damage from excessive loads.
System Integration
A front-panel test socket enables voltage verification without disassembly. Additionally, a potentiometer allows precise output adjustment when needed. For redundant configurations, engineers must maintain voltage differences below 0.025V between modules. The HIMA F7126 often pairs with the F7131 monitoring module for enhanced diagnostics.
Details
| Weight | 0.16 kg |
|---|---|
| Dimensions | 70 × 70 × 50 mm |
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