The Yokogawa F3PU30-0S, also cataloged as the F3PU30 Power Supply Module, operates as a dedicated hardware component for converting AC mains voltage into regulated logic power within Yokogawa FA-M3 PLC base chassis platforms. Mounted directly onto the leftmost power slot of the backplane, the unit provides a continuous 5 VDC power bus up to 6 A to drive CPU processors, sequence modules, and high-density I/O cards. Operating across a wide AC input spectrum, the integrated power assembly suppresses line transients while maintaining stable voltage rails across internal processing slots.
| Suffix Code | Specification | Functional Description |
|---|---|---|
| F3PU30 | Base Model | FA-M3 Series System Power Supply Module |
| -0S | Standard Specification | 100-240 VAC wide-range AC input specification |
| Parameter | Specification |
|---|---|
| Model | F3PU30-0S |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.38 kg net (0.84 lbs / 3.0 kg shipping package) |
| Dimensions | 28.9 mm W x 100 mm H x 83.2 mm D |
| Operating Temp | 0 to +55 deg C |
| Power Consumption | 100 VA maximum |
| Input Voltage Range | 100-240 VAC (50/60 Hz) |
| Output Voltage | 5 VDC regulated system bus output |
| Output Current Rating | 6 A continuous supply current |
| Isolation Voltage | Galvanic isolation between primary AC input and system logic bus |
The F3PU30-0S power supply incorporates high-efficiency switching circuits flanked by internal galvanic isolation barriers to prevent AC mains line noise from corrupting low-voltage system logic. When powering FA-M3 chassis racks housing 4-20 mA HART loop protocol interface modules or sensitive thermocouple CJC (cold junction compensation) cards, the unit limits common-mode noise propagation. The regulated 5 VDC rail maintains strict voltage stability under shifting load conditions, eliminating power-induced cross-talk across adjacent channel-to-channel isolated analog input cards.
Q: What happens if the combined internal 5 VDC current consumption of installed modules exceeds 6 A?
A: Exceeding the 6 A threshold triggers the module internal overcurrent protection, causing output voltage suppression or shutdown to protect backplane logic cards from thermal overload.
Q: Can multiple F3PU30-0S power modules be installed in parallel within the same FA-M3 base unit to double current capacity?
A: No. Standard FA-M3 base units dedicate a single designated slot for the power supply module. Parallel load sharing across standard power slots is not supported.
Q: Does the module feature internal primary circuit fuse protection?
A: Yes. The AC input stage contains an internal fuse designed to clear destructive short-circuit faults and protect the host control cabinet from primary line overload.
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