SPW481-13 | Yokogawa Power Supply Module

The Spw481-13 power supply module connects to a 100 to 120 V AC or 220 to 240 V AC, or 24 V DC main source, supplying insulated +5 V and +24 V to each installed I/O module via the back board. The module supports dual-redundant insulated output operation, ensuring reliability in power distribution.

Available Power Supply Modules:

• SPW481: 100-120 V AC

Periodic Replacement Parts Having Defined Life Spans

A safety control unit and safety node unit include parts with defined life spans that require periodic replacement. Below is the recommended replacement cycle for preventive maintenance.

Part Name	Part Number	Recommended Replacement Cycle	Replacement by User	Remarks
Power Supply Module (100-120 V AC)	SPW481	8 years	Yes	At the ambient temperature

Module Name and Model for Optical Bus Repeater Module

• Name: Unit for Optical Bus Repeater Module
• Model: SNT10D
• Power Supply Module (100-120 V AC): SPW481 (2 pcs)

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