Process Automation Power Solution — YOKOGAWA AMM42 S4 | POWER SUPPLY
Where This Product Is Used
The YOKOGAWA AMM42 S4 is a dedicated power supply module engineered for deployment in demanding industrial process control environments. Engineers and system integrators specify this unit across the following application domains:
- Oil & Gas Upstream/Downstream: Powering field controller nodes in refinery DCS cabinets where voltage stability is non-negotiable.
- Chemical & Petrochemical Plants: Sustaining continuous 24/7 operation of CENTUM VP / CS 3000 I/O subsystems in hazardous-area control rooms.
- Power Generation & Utilities: Supplying regulated DC power to distributed I/O racks in turbine control and boiler management systems.
- Pulp, Paper & Water Treatment: Maintaining stable bus voltage for multi-node YOKOGAWA field control stations (FCS) during load fluctuations.
- Pharmaceutical & Food Processing: Meeting GMP-compliant power architecture requirements in validated automation systems.
Technical Specifications
| Manufacturer | YOKOGAWA Electric Corporation |
| Part Number | AMM42 S4 |
| Module Type | Power Supply Module |
| Compatible Platform | YOKOGAWA CENTUM DCS Series (CS 3000 / CENTUM VP) |
| Output Voltage | Regulated DC (refer to YOKOGAWA datasheet for exact rating) |
| Form Factor | Rack-mount / Backplane-plug-in module |
| Weight | 600 g (approx.) |
| Operating Environment | Industrial — suitable for control room and marshalling cabinet installation |
| SKU / Order Code | AMM42 S4 |
For full electrical ratings, derating curves, and dimensional drawings, request the official YOKOGAWA datasheet via support@konmask.com.
Why Engineers Specify This Model
- Platform Compatibility: Designed exclusively for YOKOGAWA CENTUM architecture — no cross-compatibility risk or firmware mismatch.
- Proven Field Reliability: YOKOGAWA power modules are specified in thousands of continuous-process installations globally, with MTBF ratings that satisfy SIL-rated loop requirements.
- Hot-Swap / Redundancy Support: AMM-series power modules support redundant PSU configurations, enabling N+1 power architectures without process shutdown.
- Stable Bus Voltage Under Load: Tight output regulation ensures downstream I/O modules and communication cards operate within specification even during peak demand.
- OEM-Sourced Replacement: Sourcing the genuine AMM42 S4 eliminates the risk of counterfeit modules that can cause latent failures in safety-critical loops.
Complete System Bill of Materials
The AMM42 S4 is typically deployed alongside the following YOKOGAWA CENTUM components. Konmask stocks or can source all items below:
- YOKOGAWA AFV10 / AFV30 — Field Control Station (FCS) processor modules
- YOKOGAWA AAI141 / AAI143 — Analog Input modules (4–20 mA)
- YOKOGAWA AAI841 / AAI843 — Analog Output modules
- YOKOGAWA ADV151 / ADV161 — Digital Input / Output modules
- YOKOGAWA AIP588 — I/O Node power supply (companion unit)
- YOKOGAWA ANB10S / ANB11S — V-net / ESB bus coupler modules
- YOKOGAWA AKB331 / AKB332 — Node terminal boards
Contact us with your full BOM for consolidated sourcing and lead-time confirmation.
Compliance & Industry Standards
- CE Marking — Compliant with EU Low Voltage and EMC Directives (as applicable to YOKOGAWA CENTUM platform)
- IEC 61511 / IEC 61508 — Platform qualified for use in Safety Instrumented Systems (SIS) when configured per YOKOGAWA SIL documentation
- RoHS — YOKOGAWA CENTUM modules comply with RoHS Directive 2011/65/EU
- UL / cUL Listed — YOKOGAWA control system components carry UL recognition for North American installations
- ATEX / IECEx — Consult YOKOGAWA for zone-rated enclosure and barrier requirements when deploying in hazardous areas
Quality Assurance & Sourcing
Konmask.com sources industrial automation components through verified supply channels. Every unit dispatched undergoes the following process:
- Authenticity Verification: Visual inspection of OEM labeling, date codes, and firmware revision markings against YOKOGAWA reference standards.
- Functional Pre-check: Where test fixtures are available, power-on continuity and output voltage verification prior to shipment.
- Traceability Documentation: Certificate of conformance and sourcing records provided on request for regulated industries.
- Secure Packaging: ESD-safe anti-static bags, foam-lined cartons, and moisture barrier packaging for international freight.
- Warranty: 12-month replacement warranty against manufacturing defects. Extended warranty available — contact sales.
How to Source This Part
- Add to Cart — Click the purchase button above to place an order directly.
- Request a Quote — For volume orders (>3 units), OEM project pricing, or lead-time confirmation, email support@konmask.com.
- BOM Sourcing — Submit your full project BOM and we will consolidate availability and pricing across all line items.
- Urgent / AOG Orders — Call or WhatsApp +0086 19859288691 for same-day response on critical plant shutdowns.
- Export & Cross-Border — We ship globally with full export documentation (commercial invoice, packing list, COO). DDP and DAP Incoterms available.
Application-Specific FAQ
Q: Is the AMM42 S4 compatible with both CENTUM CS 3000 and CENTUM VP systems?
A: The AMM-series power modules are designed for the YOKOGAWA CENTUM platform family. Confirm your specific node type and backplane revision with our technical team before ordering to ensure pin-compatible fit.
Q: Can I run the AMM42 S4 in a redundant power configuration?
A: Yes. YOKOGAWA CENTUM supports N+1 redundant PSU configurations. Two AMM42 S4 modules can be installed in parallel to provide automatic failover without process interruption.
Q: What is the lead time for the AMM42 S4?
A: Lead time varies by stock availability. Contact us for a real-time availability check. For urgent requirements, we maintain relationships with multiple authorized YOKOGAWA distributors globally.
Q: Do you provide a certificate of conformance (CoC)?
A: Yes. A CoC is available on request for all orders. Traceability documentation is standard for pharmaceutical, nuclear, and SIL-rated applications.
Q: Can Konmask source other YOKOGAWA CENTUM modules for my project?
A: Absolutely. We specialize in complete DCS BOM sourcing. Submit your full parts list and we will provide consolidated pricing and availability.
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Contact: support@konmask.com | +0086 19859288691
