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HIMA F7133 – 4-Channel Safety Power Distribution Module
Product Overview
The F7133 is a dedicated 4-channel power distribution module for HIMA safety instrumented systems (SIS). It provides independent regulated power supply for safety I/O modules in H51X/H51q control racks, with integrated fuse monitoring and fail-safe cut-off functions. This module solves unstable power supply, short-circuit damage and power fault monitoring issues in chemical, oil & gas and industrial safety control sites, delivering reliable isolated power distribution and real-time fault indication to maintain system safety integrity.
Technical Specifications — F7133
| Parameter | Value |
|---|---|
| Product Model | F7133 |
| Manufacturer | HIMA |
| Product Type | 4-Channel Safety Power Distribution Module |
| Power | 24 V DC, 60 mA internal consumption; 12–24 V DC input range |
| Communication / Protocol | HIMA internal safety backplane bus |
| Operating Temperature | -20 °C ~ +60 °C |
| Mounting | Rack slot mount, 4 TE width |
| Dimensions (HxWxD) | 163 × 35 × 90 mm |
| Weight | 0.25 kg |
| Typical Interfaces | 4 independent power output channels, backplane bus connector |
| Compliance | IEC 61508 SIL 3, EN 954-1 Cat.4 |
HIMA F7133
Key Features and Benefits — F7133
- Independent 4-channel power output, each channel equipped with 4A slow-blow fuse for overcurrent protection.
- Built-in fuse status monitoring and LED fault indication, quickly identify blown fuse and power loss.
- Fail-safe de-energized output design; zero residual voltage/current under fuse tripping condition.
- Fast relay switching (~100ms), compatible with inductive loads and safety actuator devices.
- Modular rack-mounted structure, channels operate independently without mutual interference.
Related Models
- HIMA F7132: 2-channel compact safety power distribution module for small-scale SIS systems.
- HIMA F7134: 8-channel high-capacity power distribution module matching extended safety racks.
- HIMA F3238: Safety input module that receives distributed power from F7133 in complete safety loops.
- HIMA F8650X: Central CPU module coordinating power supply of F7133 and peripheral I/O modules.
Installation and Maintenance — F7133
- Installation: Insert into standard HIMA F-base rack slots, connect backplane bus firmly; ensure correct polarity of external 24V DC power input.
- Maintenance: Check LED status regularly for fuse and power health; replace slow-blow fuse directly when fault occurs without full system shutdown.
- Operation: Avoid overloading single channel above rated current; install protective diodes on inductive actuators per official recommendation.
