The Yokogawa PW482-S01, also cataloged as the PW482 Power Supply Module, operates as a dedicated hardware component for localized voltage regulation and distribution within specialized industrial control racks. The assembly provides regulated internal logic power natively at the hardware tier to feed Field Control Units (FCU), FIO Node Units, and Optical ESB Bus Repeater Units.
Hardware Specifications
Parameter
Specification
Model
PW482-S01
Brand
Yokogawa
Origin
Japan
Weight
Approximately 1 kg
Dimensions
Standard multi-slot proprietary rack module dimensions
Operating Temp
0 to 55 deg C standard industrial unventilated enclosure tolerances
Input Voltage
220-240 VAC, 50/60 Hz +/- 3 Hz
Maximum Power Consumption
230 VA
Output Configuration
Exclusive internal connector for shared chassis backplane power delivery
Compatibility
FCU, FIO Node Unit, and Optical ESB Bus Repeater Unit exclusively
Product Type
Power Supplies
Process Control & DCS Instrumentation Interface
Channel-to-Channel Isolation Control The power supply module incorporates distinct electrical isolation boundaries between the high-voltage 220-240 VAC input circuits and the low-voltage internal DC logic rails. This hardware-tier containment prevents high-voltage grid transients, switching surges, or common-mode line noise from crossing over into parallel data circuits or degrading the main rack bus.
4-20 mA HART Loop Protocol System Segmentation The assembly manages upper-tier logic power distribution completely segregated from field-side 4-20 mA HART loop protocol signal drops. This architectural zoning ensures that internal high-frequency power switching frequencies do not inject electromagnetic or harmonic noise back into active analog process variable loops.
