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PROSOFT 5305-MBP-PDPS Protection Unit
PROSOFT 5305-MBP-PDPS
The ProSoft Technology 5305-MBP-PDPS is a modular Power Distribution & Protection Switch designed specifically for industrial fieldbus and Ethernet systems. It is typically part of the ProSoft Power Distribution Module (PDM) family and integrates into CompactPCI, PCIe, cRIO, or PLC I/O chassis. Its primary role is to provide stable power management and overcurrent/overvoltage protection for fieldbus communication modules such as PROFIBUS, PROFINET, EtherNet/IP, Modbus, CANopen, and others.
Key Specifications
| Parameter | Typical Value / Range | Description |
|---|---|---|
| Input Voltage (Vin) | 24 V DC ± 5% | Industrial standard DC input |
| Output Voltage (Vout) | 5 V DC, 12 V DC, 24 V DC (options) | Multiple voltage rails for bus modules |
| Output Current (Iout) | 0.5 A – 2.5 A (model dependent) | Programmable overcurrent protection threshold |
| Efficiency | > 85% | High efficiency reduces heat dissipation |
| Operating Temperature | -40 °C to +85 °C | Suitable for harsh industrial environments |
| Protection Features | Overcurrent, Overvoltage, Undervoltage, Short-circuit, Overtemperature | Hardware-based protection with latch-off |
| Communication Interface | PCIe x1, CompactPCI, cRIO | For host status monitoring and diagnostics |
| Form Factor | 3U (CompactPCI) / 1U (cRIO) | Depends on carrier platform |
| Certifications | CE, UL, IECEx (optional) | Complies with international safety standards |
Key Features
Modular Design
- Hot-swappable: Replace modules while the system is running for easier field maintenance.
- Standardized: Complies with ProSoft Power Distribution Module (PDM) standards and works with any ProSoft communication module.
Multiple Protection Mechanisms
- Hardware overcurrent/overvoltage protection: Automatically cuts power to prevent damage to bus modules.
- Undervoltage lockout: Shuts down outputs when input drops below safe levels to avoid misoperation.
- Temperature monitoring: Internal thermal protection reduces load or shuts down on overheating.
Voltage Regulation & Isolation
- Low-noise linear regulation: Provides stable, low-ripple power for sensitive fieldbus communication.
- Electrical isolation: Optocoupler/isolation transformer between input and output helps prevent ground-loop interference.
Monitoring & Diagnostics
- Real-time monitoring: Reports voltage, current, power, and temperature data via the PCIe bus.
- Fault logging: Stores fault codes for faster troubleshooting.
Compatibility & Scalability
- Broad compatibility: Works with all ProSoft communication modules (e.g., 5K, 5F, 5M series).
- Customizable: Select different output voltage rails based on application needs.
Structure & Components
- Input filter: Reduces high-frequency noise on the 24 V input.
- DC-DC converters: Convert 24 V input to 5 V / 12 V / 24 V outputs.
- Protection circuitry: Uses dedicated power management ICs (e.g., Texas Instruments BQ series) for hardware protection.
- Monitoring chips: Measure current, voltage, and temperature, and send data via PCIe.
- Thermal management: Internal heatsink or fan interface (depending on platform).
Application Areas
| Industry | Use Case | Benefits |
|---|---|---|
| Automation | PLC cabinets, SCADA systems | Protects PROFIBUS/PROFINET modules and reduces downtime risk |
| Process Control | Chemical, oil & gas, pharmaceuticals | Isolated power in high EMI environments reduces communication errors |
| Robotics & CNC | Robot controllers, machine tools | Low-noise, low-latency power for EtherNet/IP and motion-control buses |
| Energy Management | Smart grid, wind/solar inverters | Operates in harsh outdoor conditions with overtemp/overvoltage protection |
| Transportation | Rail signaling, vehicle buses | Hot-swap enables fast module replacement without system interruption |
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