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Product Overview

The IC695PSD140 serves as a specialized DC-to-DC power supply for the GE PACSystems RX3i universal backplane. It converts a nominal 24 VDC input into regulated 5.1 VDC and 3.3 VDC power to drive CPU modules, I/O modules, and advanced peripheral cards. This multi-function module occupies a dedicated power supply slot in the RX3i rack, providing the necessary energy for complex automation tasks while maintaining tight voltage regulation. We supply this unit as 100% Brand New and Original, ensuring maximum MTBF (Mean Time Between Failures) for your control architecture.

Technical Specifications

The IC695PSD140 delivers reliable power across the wide input range typically found in battery-backed or industrial DC plants.

Feature Specification
Nominal Rated Voltage 24 VDC
Input Voltage Range 18 to 30 VDC
Total Output Power 40 Watts Maximum
5.1 VDC Output Up to 30 Watts (6 Amps)
3.3 VDC Output Up to 30 Watts (9 Amps)
Inrush Current 4 Amps (100 ms maximum)
Ripple / Noise 50 mV
Operating Temperature 0°C to +60°C (32°F to 140°F)
Protection Short-circuit, Over-voltage, Over-current

Engineering Advantages

  • Optimized Thermal Management: The IC695PSD140 utilizes high-efficiency conversion technology to minimize heat dissipation within the PLC cabinet. This allows for high-density module layouts without exceeding ambient temperature limits.

  • Dual-Rail Efficiency: The module dynamically balances the 5.1V and 3.3V rails up to a combined 40W, providing the flexibility to power both legacy 5V modules and modern 3.3V RX3i components.

  • Inrush Current Limiting: Built-in circuitry limits inrush current to 4 Amps. This prevents nuisance tripping of upstream DC breakers and protects sensitive electronic components during system startup.

  • Clean Power Delivery: With ripple and noise suppressed to 50 mV, the module ensures stable logic transitions for high-speed processors and prevents data corruption in sensitive analog I/O modules.

FAQs

Q: Can I use the IC695PSD140 in a redundant power supply configuration?

A: No. The IC695PSD140 is a standard multi-function power supply. For redundancy, you must use specific RX3i redundant power supply models (such as the IC695PSD040) along with a redundant backplane.

Q: What happens if the input voltage drops to 18 VDC?

A: The module continues to provide fully regulated 5.1V and 3.3V output even at the lower limit of 18 VDC. However, ensure your DC source can provide sufficient current at lower voltages to maintain the 60W maximum input power requirement.

Q: Is the IC695PSD140SA different from the IC695PSD140?

A: The "SA" suffix generally denotes a specific manufacturing lot or minor hardware revision. The core specifications, fit, and function remain identical to the IC695PSD140, ensuring 100% compatibility with your RX3i system.

Q: Does this module provide isolation between the 24V input and the backplane?

A: The reference specifications for this specific multi-function model indicate "None" for isolation. If your application requires high galvanic isolation between the field DC source and the PLC logic, verify your grounding scheme or use an external isolation transformer.

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