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Yokogawa PW482-S01 Power Supply Module

The Yokogawa PW482-S01, also cataloged as the PW482 Power Supply Module, operates as a dedicated hardware component for AC-to-DC power conversion and internal power distribution within CENTUM VP and CENTUM CS 3000 control system architectures.

Suffix Breakdown & Model Matrix

Suffix Code	Specification
-5	Standard type, no explosion protection
-E	Standard type with explosion protection
0	Basic type
1	ISA Standard G3 option with operating temperature range of -20 degC to 70 degC

Hardware Specifications

Parameter	Specification
Model	PW482-S01
Brand	Yokogawa
Product Type	Power Supply Module
Origin	Japan
Input Voltage	220 to 240 VAC +/- 10%
Input Frequency	50/60 Hz +/- 3 Hz
Output Voltage	24 VDC
Power Consumption	230 VA maximum
Weight	Approx. 1.0 kg
Dimensions	199.5 mm x 49.7 mm x 146.5 mm
Operating Temp	-20 degC to 70 degC (suffix dependent)
Installation Slot	P1 to P2
Redundancy Support	Dual module configuration supported
Interface Type	Exclusive system connector
Compatible Systems	CENTUM VP, CENTUM CS 3000

Channel-to-Channel Isolation and DCS Power Distribution Characteristics

Within Yokogawa DCS architectures, the PW482-S01 provides regulated 24 VDC system power to connected control assemblies through dedicated backplane interfaces. The module is intended for installation in FCU, FIO Node Unit, and Optical ESB Bus Repeater platforms where internal power segregation and controlled distribution paths are required.

Dual-module installation enables redundant power operation by mounting identical PW482 units in designated power slots. Power transfer and load sharing behavior are managed by the host system hardware architecture. The module does not provide general-purpose field wiring terminals and is designed exclusively for compatible Yokogawa system assemblies.

Frequently Asked Questions

Q: Can the PW482-S01 operate in a redundant configuration?
A: Yes. Redundant operation is achieved by installing two identical PW482 modules in the designated P1 and P2 power slots of compatible Yokogawa hardware.

Q: Is the PW482-S01 a general-purpose 24 VDC power supply?
A: No. The module uses a system-specific connector and is designed exclusively for compatible CENTUM VP and CENTUM CS 3000 platform assemblies.

Q: Which slot is required for a single power supply installation?
A: In a non-redundant configuration, the module must be installed in slot P1 according to Yokogawa installation requirements.

Field Installation Guidelines

• Verify compatibility with the target FCU, FIO Node Unit, or Optical ESB Bus Repeater Unit before installation.
• For single power configurations, install the module in slot P1 only.
• For redundant power configurations, install two identical PW482 modules in slots P1 and P2.
• Remove input power before inserting or removing the module unless the host system documentation explicitly permits energized replacement procedures.
• Ensure cabinet grounding conforms to site electrical standards and DCS grounding practices.
• Route AC input conductors separately from low-level signal wiring to minimize conducted electrical interference.
• Confirm input voltage and frequency are within the specified operating range before energization.
• Inspect module connectors and backplane interfaces for contamination or mechanical damage prior to installation.

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