GE IC695PSD040 – 24VDC 40W Backplane Power Supply | PACSystems RX3i
Engineering Background
The IC695PSD040 is a dedicated DC-input power supply module designed for the GE PACSystems RX3i control platform. As industrial facilities increasingly migrate from legacy Series 90-30 systems to the RX3i architecture, reliable and spec-compliant power delivery becomes a critical infrastructure requirement. This module provides 40 watts of regulated backplane power from a 24VDC source, making it the preferred choice for panel-space-constrained installations and DC-bus-powered control cabinets.
Product Positioning
Targeted at process automation, discrete manufacturing, and utility control applications, the IC695PSD040 is the standard DC power supply for RX3i Universal Backplanes (IC695CHS007, IC695CHS012, IC695CHS016). It is the direct replacement for legacy GE Fanuc power supplies in RX3i migration projects and is fully compatible with the PACSystems RX3i CPU and I/O module ecosystem.
Complete Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | IC695PSD040 |
| Series / Platform | PACSystems RX3i |
| Manufacturer | GE (General Electric / Emerson Automation) |
| Module Type | DC Input Backplane Power Supply |
| Input Voltage | 18–30 VDC (nominal 24VDC) |
| Output Power | 40 W |
| Backplane Output (3.3V) | Up to 8 A |
| Backplane Output (5V) | Up to 4 A |
| Backplane Output (±15V) | Up to 0.5 A each |
| Input Current (24VDC) | ≤ 2.5 A typical at full load |
| Isolation | Input to backplane isolated |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95% non-condensing |
| Mounting | RX3i Universal Backplane (slot 0) |
| Form Factor | Single-slot module |
| Weight | Approx. 240 g |
| Certifications | UL, CE, cUL |
| Compatible Backplanes | IC695CHS007, IC695CHS012, IC695CHS016 |
| Compatible CPUs | IC695CPE302, IC695CPE305, IC695CPE310, IC695CPL410 |
Proven Application Environments
- Process Automation: Oil & gas, chemical, and water treatment plants where 24VDC bus power is standard infrastructure.
- Discrete Manufacturing: Automotive assembly lines, packaging machinery, and material handling systems requiring compact, reliable PLC power.
- Utility & Power Distribution: Substation automation and SCADA front-end controllers powered from station battery systems (24VDC).
- Building Automation: HVAC, access control, and energy management systems integrated with RX3i controllers.
- Legacy Migration Projects: Direct replacement in GE Series 90-30 to RX3i upgrade programs where DC power infrastructure is retained.
Engineering Advantages
- DC-Bus Compatibility: Accepts 18–30VDC input, directly compatible with 24VDC station battery and UPS systems — no AC/DC conversion stage required in the panel.
- Compact Single-Slot Design: Occupies only one backplane slot, maximizing I/O module density in space-constrained enclosures.
- Multi-Rail Output: Simultaneously supplies 3.3V, 5V, and ±15V backplane rails, supporting the full range of RX3i analog and digital I/O modules.
- Input-to-Backplane Isolation: Protects sensitive CPU and I/O circuitry from field-side voltage transients and ground loops.
- Hot-Swap Ready: Supports RX3i backplane hot-swap procedures when system architecture permits, minimizing planned downtime.
- Wide Temperature Range: Rated 0–60°C for operation in non-air-conditioned industrial enclosures.
System Architecture & Signal Flow
The IC695PSD040 installs in Slot 0 of any RX3i Universal Backplane. The 24VDC field supply connects to the module’s input terminals. Internally, the module’s switching converter generates the regulated 3.3V, 5V, and ±15V rails distributed across the backplane bus to all installed CPU, communications, and I/O modules. The isolated topology ensures that field-side wiring faults do not propagate to the logic-side circuitry.
For systems requiring more than 40W total backplane power (e.g., high-density analog I/O configurations), a second power supply module (IC695PSD040 or IC695PSA040) may be installed in an expansion backplane slot to supplement capacity.
Sourcing & Quality Verification
- Origin: Sourced from authorized GE/Emerson distribution channels and verified surplus inventory with documented chain of custody.
- Inspection Protocol: Each unit undergoes visual inspection, label verification (part number, revision, date code), and functional power-on test prior to shipment.
- Packaging: Shipped in anti-static ESD bags with foam cushioning; original GE packaging retained where available.
- Warranty: 90-day functional warranty against defects in materials and workmanship. Extended warranty available upon request.
- Counterfeit Mitigation: All units verified against GE Emerson part number databases; suspected non-genuine units are quarantined and not sold.
Procurement Process
- Confirm Compatibility: Verify your backplane model (IC695CHS007/012/016) and total power budget before ordering.
- Request a Quote: Contact support@konmask.com for volume pricing, lead time confirmation, and datasheet package.
- Place Order: Purchase directly via this product page or submit a PO to our sales team for NET-30 B2B terms.
- Shipping: Standard orders ship within 1–3 business days. Express and freight options available for urgent requirements.
- Documentation: Certificate of conformance, test report, and commercial invoice provided with every shipment upon request.
Technical FAQ
Q: Can the IC695PSD040 replace the IC695PSA040?
A: Both supply 40W to the RX3i backplane, but the IC695PSD040 accepts 24VDC input while the IC695PSA040 accepts 120/240VAC. They are not interchangeable — select based on your available power source.
Q: How do I calculate if 40W is sufficient for my configuration?
A: Sum the backplane power consumption of all installed modules (listed in each module’s datasheet). If the total exceeds 40W, add a second power supply module or use the IC695PSA140 (120W AC supply).
Q: Is this module compatible with the RX3i CPE400/CPL410 high-availability CPUs?
A: Yes. The IC695PSD040 is compatible with all RX3i CPU variants. For HA redundancy configurations, consult GE PACSystems RX3i System Manual (GFK-2314) for power supply redundancy guidelines.
Q: What is the input connector type?
A: The IC695PSD040 uses a removable screw-terminal connector for the 24VDC input, allowing field wiring to be disconnected without removing the module from the backplane.
Q: Can I use this module in a Series 90-30 rack?
A: No. The IC695PSD040 is mechanically and electrically designed exclusively for the RX3i Universal Backplane. It is not compatible with Series 90-30 (IC693) racks.
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