The Yokogawa SPW482-53, also cataloged as the SPW482 FIO Rack Power Supply, operates as a dedicated hardware component for 48 V DC power conversion within CENTUM VP and CS 3000 network infrastructures.
| Parameter | Specification |
|---|---|
| Model | SPW482-53 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 1.0 kg |
| Dimensions | 130 mm x 130 mm x 30 mm |
| Operating Temp | 0 to +60 deg C |
| Power Consumption | Input power range 170 V to 264 V AC; output power rating 240 W |
| Nominal Input Voltage | 220-240 V AC |
| Input Frequency | 50/60 Hz (+/-3 Hz) |
| Output Voltage | 48 V DC |
| Energy Efficiency | >= 85% at full load |
| Cooling Method | Natural convection (Fanless design) |
| Redundancy | Supports 1:1 dual-redundant pairing |
| Protection Circuits | Overvoltage, overcurrent (overload), and short-circuit protection |
| Diagnostics | Front-panel LED indicators (Ready/Fault) |
| Mounting Type | System Node Rack / FIO Rack Mount |
Operating within the Yokogawa CENTUM distributed control system framework, this power supply module utilizes dedicated channel-to-channel isolation parameters to decouple utility-side power fluctuations from sensitive system backplanes. The device implements an internal circuit design that supports stable 48 V DC power distribution across FIO subsystems, maintaining a continuous 4-20 mA HART loop protocol energy supply to downstream field instruments. Thermal heat dissipation is entirely regulated through a fanless natural convection profile, which ensures electrical isolation boundaries are maintained without mechanical wear components under continuous 240 W full-load conditions.
Q: How does the SPW482-53 handle internal module failures in a redundant configuration?
A: The module supports a 1:1 dual-redundant pairing mode on the system node rack. If an internal component fault occurs, the integrated diagnostics trigger the front-panel Fault LED and execute a bumpless isolation sequence, allowing the parallel module to assume the full 240 W load without output voltage interruption.
Q: What are the input electrical threshold limits for this power supply?
A: While the nominal rating is 220-240 V AC, the internal rectification circuitry accepts a continuous input range of 170 V to 264 V AC at 50/60 Hz (+/-3 Hz).
Q: Does this unit contain an internal cooling fan that requires periodic replacement?
A: No, the module utilizes a high-efficiency topology (>= 85% at full load) optimized for natural convection cooling, eliminating mechanical fan maintenance requirements.
Mount the SPW482-53 module directly into the designated power slots of the Yokogawa System Node Rack or FIO Rack assembly. Ensure that the integrated retention screws are torqued down to the chassis framework to verify structural and grounding integrity. Connect the primary 220-240 V AC supply source using specified industrial wire gauges routed through segregated electrical wire ducts. Ensure low-voltage 48 V DC power distribution tracks are physically separated from high-voltage AC cables inside the cabinet enclosure to minimize electromagnetic induction. Maintain unobstructed spacing above and below the module housing to allow adequate air circulation for natural convection cooling.
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