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Technical specifications for PW401-S2
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Manufacturer:Yokogawa
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Product Category:DCS Systems
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Spare Part Number:PW401
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Estimated shipping dimensions:5x23x20cm
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Weight:1.56 kg
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Tariff Code:8537101190
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Counliy of origin:Japan
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Style code:S2
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Product class:Power supply module
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System family:CENTUM distributed control system
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Base model:PW401
Information
Overview
Manuals
Common Applications
Product Precautions
PW401-S2 provides the documented PW401 power-supply position for an installed Yokogawa CENTUM system.
- Provides the installed CENTUM power-supply function
- Uses exact base model PW401 for identity control
- Retains the documented S2 execution
- Supports controlled cabinet power restoration
The module is serviced only within the matched CENTUM cabinet and controller or I/O assembly. Commissioning preserves the installed wiring, grounding and redundancy arrangement and verifies all associated node diagnostics.
Important Notice: Confirm PW401-S2, PW401 base model, S2 execution, CENTUM cabinet and host assembly, installed redundancy, connectors, wiring, protective grounding, cooling, node configuration and controlled startup diagnostics before commissioning.
Apter Power PW401-S2 Manuals and Guides
- Apter Power PW401-S2 CENTUM Supply Identity and System Reference PDF
- Apter Power PW401-S2 Cabinet Power and Startup Verification Workbook PDF
The first document is the model-specific technical and system reference. The second is a distinct field workbook for installation, wiring, commissioning and acceptance records.
CENTUM controller power support
Supplies the documented controller hardware in an approved cabinet.
Distributed I/O cabinet service
Restores a matched supply position serving configured I/O nodes.
Redundant power maintenance
Supports one-at-a-time replacement where the installed system provides redundancy.
CENTUM startup validation
Provides the exact supply identity used during node and controller diagnostics.
Read the applicable Yokogawa installation instructions before work. Verify PW401-S2, the installed host system and all configured field interfaces before isolation, wiring or commissioning.
1
Confirm the complete PW401-S2 marking and installed cabinet position.
2
Place the controlled process and associated CENTUM node in the approved maintenance state.
3
Isolate the affected supply path and prove it de-energized.
4
Record incoming supply, output connector, alarm and protective-earth connections.
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Inspect the cabinet connector, keying, fasteners and cooling path.
6
Restore the exact documented supply position and cabinet wiring.
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Energize under control and review supply, node and controller diagnostics.
8
Verify stable process-control operation before release.
Alternative Names
PW401
Technical notes
Match PW401-S2 to the installed CENTUM cabinet and record its supply position, mating connector and wiring before removal. Isolate the cabinet, preserve redundant-power status where fitted and verify power, node and controller diagnostics after controlled energization.
FAQ View All FAQ
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How should the complete PW401-S2 identity be verified before replacement?Confirm PW401-S2, PW401 base model, S2 execution, CENTUM cabinet and host assembly, installed redundancy, connectors, wiring, protective grounding, cooling, node configuration and controlled startup diagnostics before commissioning.
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What system role does PW401-S2 perform in the documented installation?Yokogawa PW401-S2 is a PW401 power-supply module identified for a documented CENTUM distributed-control installation. It supplies the matched controller or I/O hardware in its approved cabinet position.
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Which host or carrier must be checked before installing PW401-S2?The module is serviced only within the matched CENTUM cabinet and controller or I/O assembly. Commissioning preserves the installed wiring, grounding and redundancy arrangement and verifies all associated node diagnostics.
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What isolation and ESD controls apply when handling PW401-S2?Place the controlled process and associated CENTUM node in the approved maintenance state. Isolate the affected supply path and prove it de-energized.
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Which wiring or connector records should be retained for PW401-S2?Record incoming supply, output connector, alarm and protective-earth connections. Inspect the cabinet connector, keying, fasteners and cooling path.
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How should the approved configuration for PW401-S2 be restored?Restore the exact documented supply position and cabinet wiring.
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Which diagnostics must be reviewed after fitting PW401-S2?Energize under control and review supply, node and controller diagnostics.
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What controlled acceptance test completes work on PW401-S2?Verify stable process-control operation before release.
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