The Schneider Electric TSX P47425, also cataloged as the TSX-P474-25 Power Supply Module, operates as a dedicated hardware component for supplying regulated DC power within Modicon TSX Premium PLC systems. Configured for high-power distribution across the internal chassis backplane, this module directly executes raw AC-to-DC conversion loops, driving connected CPU and I/O modules without inline external step-down transformers.
| Parameter | Specification |
|---|---|
| Model | TSX P47425 (TSX-P474-25) |
| Brand | Schneider Electric |
| Origin | France |
| Weight | 0.8 to 1.0 kg (2.60 lbs) |
| Dimensions | 130 mm x 40 mm x 120 mm |
| Operating Temp | 0 to +60 deg C |
| Power Consumption | 600 W power rating |
| Input Voltage | 100-240 V AC, 50/60 Hz |
| Output Voltage | 24 VDC |
| Output Current | Up to 25 A (depending on load configuration) |
| Isolation | Galvanic isolation between input and output |
| Protection Matrices | Overload, short-circuit, and thermal protection |
| Storage Temperature | -40 to +85 deg C |
| Protection Class | IP20 |
| Certifications | CE, UL, CSA, RoHS |
The TSX P47425 establishes immediate electrical continuity upon mechanical insertion into the TSX Premium rack assembly. It energizes the communication traces, maintaining the exact voltage thresholds required to sustain standard backplane bus communication velocity across all active slots. By provisioning up to 25 A on the internal rail, the module mitigates downstream voltage sags during high-density I/O switching cycles, maintaining data bus signal integrity without forcing clock-cycle throttling or communication delays across remote sub-racks.
Q: Does the TSX P47425 support hot-swapping under active rack backplane communication velocity?
A: No. Extraction or insertion of the primary power module while the AC input line is energized can generate severe voltage transients, causing data corruption on the system bus or permanent electrical damage to the master processor.
Q: What are the internal failure states if the total output current demand exceeds 25 A?
A: The module transitions into an overload protection state, folding back the 24 VDC output loop to prevent thermal destruction. Once the over-current condition is physically isolated, the system executes an automated recovery cycle depending on the specific hardware revision.
Q: Can this unit run on DC input voltage sources instead of the nominal 100-240 VAC range?
A: No. The internal rectifier and transformer stages are explicitly engineered for 50/60 Hz alternating current. Connecting a DC source to the primary input terminals will prevent power conversion and may damage the front-end input stage.
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