Description
Core Product Summary
The HIMA F7130A is a DC/DC converter power supply module designed for integration within HIMA H41q programmable electronic systems (PES). It converts a nominal 24 V DC main supply into isolated, short-circuit-proof 5 V DC operating voltages required by central devices, I/O modules, and the HIBUS interface.
Engineers specify the F7130A to ensure regulated power distribution across safety system chassis assemblies while maintaining galvanic isolation and overvoltage protection between input and output circuits. The module occupies 4 space units (SU) in standard H41q racks and features independent current-limited outputs for internal system buses, supporting structured power architecture within high-integrity industrial safety platforms.
Key Technical Specifications
| Parameter | Specification |
| Product Type | Power Supply Module (DC/DC Converter) |
| System Compatibility | HIMA H41q PES |
| Nominal Input Voltage | 24 V DC (-15% / +20%) |
| Input Ripple Voltage | r_{pp} < 15\% |
| Primary Fuse Rating | 5 A gL |
| Central Device / I/O Output | 5 V DC (\pm0.25 V) / 10 A |
| HIBUS Interface Output | 5 V DC (\pm0.25 V) / 1 A |
| Output Protection | Short-circuit proof, current limited, overvoltage protected |
| Electrical Isolation | Galvanic isolation between input and output voltages |
| Efficiency | \ge 70\% |
| Width / Form Factor | 4 SU (Sub-Units / Space Units) |
Detailed Product Overview
The HIMA F7130A acts as a dedicated internal power converter for HIMA H41q safety system racks. Operating from a plant 24 V DC supply, it provides dual regulated 5 V DC rails to power central processing components, input/output modules, and the HIBUS communications backplane.
System stability in safety-instrumented architectures relies on isolated power routing to prevent electrical faults from propagating across field circuits or backplane networks. The F7130A incorporates separate output channels: a 10 A rail dedicated to processor and I/O module electronics, and a distinct 1 A rail allocated strictly to the HIBUS interface. Both output rails include built-in overvoltage protection and current-limiting features to defend against downstream short circuits. Front-panel LED indicators display the status of incoming 24 V DC power as well as the 5 V DC logic supply rails for rapid visual diagnostics during routine operation.
F7130A
F7130A
Dimensions, Mounting & Connection Notes
- Form Factor: 4 SU slot width in standard HIMA rack sub-racks.
- Mounting Method: Slide-in rack module with direct backplane bus engagement.
- Electrical Connections: Separated supply connections for main 24 V DC input, central device / I/O rails, and HIBUS bus lines.
- Monitoring Line: Separate connection pin (z16) designated for central device power monitoring.
- Status Display: Front-panel LEDs for monitoring input supply (L+) and output voltage presence.
System Compatibility & Integration Requirements
| Item / Dependency | Verified Compatibility or Requirement | Practical Note |
| System Architecture | HIMA H41q Safety Systems | Mounts directly into designated rack power slots. |
| Main Power Input | 24 V DC (-15% … +20%) | External protection requires a 5 A gL primary fuse. |
| Central Device Monitoring | Pin z16 (NG) power feed | Central device monitoring power is fed separately via pin z16. |
| Rack Allocation | 4 SU width requirement | Ensure sufficient backplane card slot spacing during layout design. |
FAQ
What is the function of the HIMA F7130A?
The HIMA F7130A is a DC/DC power supply module that converts a 24 V DC input into isolated 5 V DC rails to power HIMA H41q central units, I/O modules, and the HIBUS interface.
Which HIMA safety system uses the F7130A?
The F7130A is designed specifically for integration within the HIMA H41q programmable electronic system (PES).
What are the output voltage and current specifications for the F7130A?
The module provides two 5 V DC (\pm0.25 V) outputs: one rated for 10 A (central device and I/O modules), and one rated for 1 A (HIBUS interface).
Does the F7130A incorporate circuit protection?
Yes, the F7130A features galvanic isolation between input and output, output current limiting, short-circuit proof outputs, and overvoltage protection.
How much rack space does the module require?
The F7130A has a width requirement of 4 SU (Space Units) within a HIMA system rack.
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