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- SPW481-13 S1
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PRODUCT DESCRIPTION
SPW481-13 S1 AC Input Power Module
Yokogawa SPW481-13 S1 is the 100 to 120 V AC input power module in the ProSafe-RS SPW48x family. It supplies insulated +5 V and +24 V power to the installed I/O through the host backboard. The safety control, safety node and optical repeater-unit configurations use a pair of power modules to maintain the documented redundant supply arrangement.
The module provides separate SYS and FLD indications for the +5 V and +24 V outputs, with maintenance check terminals for those rails. Its AC input has line, neutral and protective-ground connections. The hardware manual requires the affected incoming supply to be switched off and the power indication to be extinguished before removal; this is distinct from merely removing one redundant module while it remains energized.
The module provides separate SYS and FLD indications for the +5 V and +24 V outputs, with maintenance check terminals for those rails. Its AC input has line, neutral and protective-ground connections. The hardware manual requires the affected incoming supply to be switched off and the power indication to be extinguished before removal; this is distinct from merely removing one redundant module while it remains energized.
BEFORE YOU BUY
Confirm the complete SPW481-13 S1 identity
ACTUAL APPLICATIONS
Application fields for SPW481-13 S1
These broad application fields reflect the documented function and technical characteristics of SPW481-13 S1.
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01 · OIL & GAS
Petroleum Resources and Natural Gas Reserves
Conventional petroleum reserves and offshore natural gasOnshore hydrocarbon resources and natural gas reserves -
02 · POWER GENERATION
Thermal Energy and Renewable Electricity Resources
Thermal energy resources and renewable electricity generationHydroelectric energy resources and conventional electricity generation -
03 · CHEMICALS
Organic Chemistry and Petrochemical Resources
Organic chemical resources and basic petrochemical fieldsInorganic chemical resources and specialty chemistry fields
Technical specifications for SPW481-13 S1
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Product ModelSPW481-13 S1
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Spare ModelSPW481-13
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Product ParametersAC Input Power Module
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In stock1 unit
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ManufacturerYokogawa
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AC input selection100 to 120 V AC
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Logic output rail5 V DC, insulated
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Field output rail24 V DC, insulated
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Host power redundancy2 modules
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SYS indication5 V output normal
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FLD indication24 V output normal
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Fixing-screw torque guidelineApproximately 0.5 Nm
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Preventive replacement reference8 years at average ambient <=40 C
View all additional
Alternative Names
SPW481-13 S1
ProSafe-RS SPW48x
AC Input Power Module
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
System integration
Replacement check
Manuals & support
SYSTEM INTEGRATION
Integrate SPW481-13 S1 within ProSafe-RS SPW48x
Use SPW481-13 S1 in the applicable ProSafe-RS host and confirm the 100 to 120 V AC incoming feed before connection. SPW481, SPW482 and SPW484 have different input selections; the host output rails do not make the input variants interchangeable.
The two insulated output rails feed the host backboard, where the pair supports the redundant power arrangement. Check SYS for the +5 V rail and FLD for the +24 V rail; the check terminals support voltage verification during the documented maintenance procedure.
Keep both supply paths available in the required host configuration and preserve line, neutral and protective-ground wiring. The normal arrangement uses two modules even where the processor configuration is not redundant; a single surviving supply is a degraded state rather than the intended steady arrangement.
Features:
- AC input selection: 100 to 120 V AC
- Logic output rail: 5 V DC, insulated
- ProSafe-RS SPW48x
Use SPW481-13 S1 only within the documented ProSafe-RS SPW48x arrangement and applicable installation instructions.
INTERCHANGEABILITY
Replace SPW481-13 S1 within ProSafe-RS SPW48x
Identify the complete SPW481-13 S1 label and the independent feed to the affected module before removal. Confirm the other power path is healthy and follow the site safety procedure for work on the incoming AC supply.
Switch off the supply to the module being removed and confirm that its power indication is off. The manufacturer procedure removes the input cable and three fixing screws, then pulls the module forward; use the reverse sequence to install the spare.
After reconnection, verify the SYS and FLD indications and the restored redundant host state. The manual gives approximately 0.5 Nm as the fixing-screw guideline and recommends an eight-year supply-module replacement interval at an average ambient of 40 C or lower.
Features:
- SPW481-13 S1 complete suffix
- Preventive replacement reference: 8 years at average ambient <=40 C
- Incoming supply selection and host position matched
Use SPW481-13 S1 only within the documented ProSafe-RS SPW48x arrangement and applicable installation instructions.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: The linked files are Amikong-hosted reference documents. Match their product identity and scope to the supplied assembly, and consult the applicable manufacturer instructions before use. Accessories and additional documents are included only when expressly listed in the quotation.Features:
- Exact-model technical data for SPW481-13 S1
- Document applicability checked against the complete identity
- Directory links by subcategory and brand
Documentation for SPW481-13 S1 must match the installed product identity and supplied configuration.
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Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION
Commercial terms without hidden steps
Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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01
Shipping & delivery
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DispatchEligible stock: same / next day
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CarriersDHL, FedEx or UPS
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Ship fromXiamen, China
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Product size5.00 x 14.90 x 19.90 cm
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Net weight0.92 kg
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Payment & customs
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PaymentBank transfer (T/T)
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CurrenciesUSD · EUR · GBP · RMB
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Credit cardsNot accepted
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HS reference8504401990
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OriginJapan
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Warranty & returns
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Warranty12 months from AMIKON
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InspectionLabel, condition and packing checks
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ReturnsPrior RMA authorisation required
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CompatibilityConfirm before order
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OEM warrantyDoes not apply
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Part checked
Full suffix recorded -
Condition checked
Label and appearance -
Packing checked
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Tracking supplied
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Sandy Lin
Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about SPW481-13 S1
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Does SPW481-13 S1 accept 220 to 240 V AC?
No. SPW481-13 S1 is the 100 to 120 V AC SPW481 selection. SPW482 is the separate 220 to 240 V AC input family. -
Which internal rails are supplied by SPW481-13 S1?
The hardware manual identifies insulated +5 V and +24 V outputs from SPW481-13 S1 to the installed I/O through the backboard. -
What does SYS indicate on SPW481-13 S1?
SYS on SPW481-13 S1 is on when the +5 V output is normal; FLD separately indicates the +24 V output. -
May SPW481-13 S1 be removed with its AC feed energized?
The manufacturer procedure requires the supply to SPW481-13 S1 to be switched off and the power indication to be off before removal. -
How many fixing screws retain SPW481-13 S1?
The replacement procedure for SPW481-13 S1 identifies one upper and two lower fixing screws; the installation guideline is approximately 0.5 Nm. -
What replacement interval is listed for SPW481-13 S1?
The manual recommends eight years for SPW481-13 S1 at an average ambient of 40 C or lower. This is a maintenance reference, not a guaranteed service life. -
What should a distributor confirm for a SPW481-13 S1 spare?
Quote the full SPW481-13 S1 identification, AC input selection, quantity and required condition. Distinguish one replacement module from a complete redundant pair. -
Which supplied items must an order for SPW481-13 S1 identify?
The order for SPW481-13 S1 should state the module and any explicitly included power cable or installation hardware. Delivery and the actual accessory scope belong in the quotation.
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