Product Type

Isolated DC/DC power supply module

Electrical Characteristics

Input voltage: 24 V DC (−15% to +20%)

Input ripple: < 15%

Output voltage:

Adjustable 5 V DC ± 0.5 V

Factory-calibrated to 5.4 V DC ± 0.025 V

Output current:

10 A continuous

Current limit approx. 13 A

Protection Functions

Overvoltage protection: 6.5 V ± 0.5 V

Short-circuit protection

Current limiting

Isolation & EMC

Safety isolation between input and output

Efficiency ≥ 77%

EMI compliance: VDE 0871 / VDE 0877 Class B

Mechanical & Installation

Dimensions (W × H × D): approx. 25 × 127 × 203 mm

Weight: approx. 0.6 kg

Installation: 8 TE rail mounting

Compatible with HIMA system cabinets

Environmental & Protection

Operating temperature: −20 °C to +60 °C

Protection class: IP54

Core Functionality

Safe and Reliable Power Supply
Provides an isolated and stable 5 V DC power source for HIMA safety controllers and I/O modules, supporting SIL 3 Safety Instrumented System (SIS) requirements.

Redundancy Support
Designed for redundant parallel operation, with voltage deviation ≤ 0.025 V to prevent uneven load sharing and ensure high system availability.

Onboard Adjustment & Debugging

Front-panel test sockets for easy voltage measurement

Built-in potentiometer for fine output voltage adjustment

Integrated Diagnostic Protection
Includes overvoltage, short-circuit, and current-limiting protection to safeguard connected safety components and enhance overall system reliability.

HIMA F7131 Power Supply Module

Typical Applications

Safety Instrumented Systems (SIS) in:

Chemical processing

Oil and gas

Power generation

Power supply for HIMatrix and HIMax safety controllers and associated I/O modules