Seeing PID Behavior Before Tuning the Loop
PID tuning becomes safer when engineers can see how proportional, integral, and derivative actions reshape error, output, and response over time. This guide turns live trends into a disciplined...
The GE Fanuc IC695PSD040F is a 40-Watt DC-to-DC power supply designed for installation in PACSystems RX3i Universal Backplanes (IC695 series). Operating from an input voltage source in the range of 18 VDC to 30 VDC , this module provides three essential internal outputs: +5.1 VDC , +24 VDC relay power to supply circuits on Output Relay modules , and +3.3 VDC utilized internally by RX3i modules with IC695 catalog numbers. The IC695PSD040F model specifically resolves an issue identified in previous revisions where the power supply occasionally failed to power up when installed in a 16-Slot Universal Backplane (IC695CHS016). It occupies exactly one backplane slot and features an internal diagnostic fault reporting system that communicates with the CPU to log system faults or power loss occurrences.
| Part Number | Option/Description |
|---|---|
| IC695PSD040F | Standard 40W 24 VDC Input Power Supply Module |
| IC695PSD040CA | Conformal Coated Version |
| IC695PSD040LT | Low Temperature Version |
| Specification | Description |
|---|---|
| Manufacturer | GE Fanuc / Emerson |
| Model | IC695PSD040F |
| Nominal Rated Voltage | 24 VDC |
| Input Voltage Range | 18 to 30 VDC |
| Input Power | 60 Watts maximum at full load |
| Inrush Current | 4 Amps, 100 milliseconds maximum |
| Output Power | 40 Watts maximum total of all loads (5.1 VDC: 30 Watts max; 3.3 VDC: 30 Watts max) |
| Output Voltage | 5.1 VDC: 5.0 VDC to 5.25 VDC; 3.3 VDC: 3.2 VDC to 3.465 VDC |
| Output Current | 5.1 VDC: 0 to 6 Amps; 3.3 VDC: 0 to 9 Amps |
| Isolation | None (input to backplane) |
| Ripple and Noise | 50 mV (all outputs) |
| Ride-Through Time | 10 ms (duration outputs are maintained upon source input interruption) |
| Terminal Current | 6 Amps |
| Wiring Requirements | 14 AWG to 22 AWG copper conductors rated 75 Celsius minimum |
| Operating Temperature | 0 to 60 Celsius (Full output power available up to 40 Celsius) |
| Storage Temperature | -40 to +85 Celsius |
| Humidity | 5% to 95% non-condensing |
| Connector Pin | Function |
|---|---|
| + | Positive DC Power Input |
| + | Positive Connection to additional daisy-chained units |
| - | Negative DC Power Input |
| - | Negative Connection to additional daisy-chained units |
| Frame Ground Symbol | System Frame Ground Connection (connect directly to mounting panel) |
| Frame Ground Symbol | Jumper Strap Connection for Overvoltage Protection |
| MOV Disconnect Symbol | Overvoltage Protection Device Connection |
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Returns & Warranty



The GE Fanuc IC695PSD040F is a 40-Watt DC-to-DC power supply designed for installation in PACSystems RX3i Universal Backplanes (IC695 series). Operating from an input voltage source in the range of 18 VDC to 30 VDC , this module provides three essential internal outputs: +5.1 VDC , +24 VDC relay power to supply circuits on Output Relay modules , and +3.3 VDC utilized internally by RX3i modules with IC695 catalog numbers. The IC695PSD040F model specifically resolves an issue identified in previous revisions where the power supply occasionally failed to power up when installed in a 16-Slot Universal Backplane (IC695CHS016). It occupies exactly one backplane slot and features an internal diagnostic fault reporting system that communicates with the CPU to log system faults or power loss occurrences.
| Part Number | Option/Description |
|---|---|
| IC695PSD040F | Standard 40W 24 VDC Input Power Supply Module |
| IC695PSD040CA | Conformal Coated Version |
| IC695PSD040LT | Low Temperature Version |
| Specification | Description |
|---|---|
| Manufacturer | GE Fanuc / Emerson |
| Model | IC695PSD040F |
| Nominal Rated Voltage | 24 VDC |
| Input Voltage Range | 18 to 30 VDC |
| Input Power | 60 Watts maximum at full load |
| Inrush Current | 4 Amps, 100 milliseconds maximum |
| Output Power | 40 Watts maximum total of all loads (5.1 VDC: 30 Watts max; 3.3 VDC: 30 Watts max) |
| Output Voltage | 5.1 VDC: 5.0 VDC to 5.25 VDC; 3.3 VDC: 3.2 VDC to 3.465 VDC |
| Output Current | 5.1 VDC: 0 to 6 Amps; 3.3 VDC: 0 to 9 Amps |
| Isolation | None (input to backplane) |
| Ripple and Noise | 50 mV (all outputs) |
| Ride-Through Time | 10 ms (duration outputs are maintained upon source input interruption) |
| Terminal Current | 6 Amps |
| Wiring Requirements | 14 AWG to 22 AWG copper conductors rated 75 Celsius minimum |
| Operating Temperature | 0 to 60 Celsius (Full output power available up to 40 Celsius) |
| Storage Temperature | -40 to +85 Celsius |
| Humidity | 5% to 95% non-condensing |
| Connector Pin | Function |
|---|---|
| + | Positive DC Power Input |
| + | Positive Connection to additional daisy-chained units |
| - | Negative DC Power Input |
| - | Negative Connection to additional daisy-chained units |
| Frame Ground Symbol | System Frame Ground Connection (connect directly to mounting panel) |
| Frame Ground Symbol | Jumper Strap Connection for Overvoltage Protection |
| MOV Disconnect Symbol | Overvoltage Protection Device Connection |
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Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Color pattern |
Black
|
| Country of origin |
United States
|
| Power source |
DC Power
|