Yokogawa AAT141-S50 S2 Current Input Module – CENTUM VP DCS Series
When a current input module fails in a live DCS environment, the consequences are immediate and severe: process variables go blind, control loops fall open, and operators lose the real-time visibility they depend on to keep plant operations safe and productive. Every minute of unplanned downtime in a refinery, chemical plant, or power generation facility can translate into tens of thousands of dollars in lost output — and in safety-critical processes, the stakes are even higher. The Yokogawa AAT141-S50 S2 Current Input Module is the precision interface that keeps your field instruments talking to your control system, ensuring that 4–20 mA signals from transmitters are accurately digitized and delivered to the CENTUM VP controller without interruption.
Within the CENTUM VP product family — Yokogawa’s flagship distributed control system trusted by process industries worldwide — the AAT141-S50 S2 occupies a critical role as a high-density analog input card engineered for demanding industrial environments. CENTUM VP holds a leading position in global DCS market share, particularly in oil & gas, petrochemical, and power sectors across Asia, the Middle East, and Europe. The AAT141-S50 S2 is designed to meet the rigorous signal conditioning and isolation requirements of these industries, making it one of the most sought-after replacement and expansion modules in the Yokogawa ecosystem.
Technical Specifications
- Manufacturer: Yokogawa Electric Corporation
- Part Number: AAT141-S50 S2
- Module Type: Analog Current Input Module
- Compatible System: CENTUM VP DCS
- Signal Type: 4–20 mA DC current input
- Weight: 900 g (approx.)
- Condition Available: New / Refurbished / Tested surplus
Note: Full electrical specifications (channel count, isolation voltage, accuracy class, power consumption) are available upon request. We do not publish unverified parameters.
Key Features & Benefits
- Seamless CENTUM VP Integration: Plug-and-play compatibility with Yokogawa CENTUM VP field control stations — no firmware patching required for standard configurations.
- High Signal Fidelity: Precision analog-to-digital conversion preserves the accuracy of 4–20 mA transmitter signals, critical for tight process control loops.
- Channel Isolation: Individual channel isolation protects the control system from ground loops and field-side electrical faults.
- Hot-Swap Capable: Designed for online replacement in CENTUM VP I/O nest configurations, minimizing process disruption during maintenance.
- Industrial-Grade Reliability: Built to Yokogawa’s stringent quality standards for continuous operation in harsh plant environments.
- Compact Form Factor: High-density I/O design reduces cabinet space requirements and simplifies system expansion.
Industry & Equipment Applications
- Oil & Gas: Upstream wellhead monitoring, midstream pipeline control, downstream refinery process loops
- Petrochemical & Chemical: Reactor temperature/pressure/flow measurement via 4–20 mA transmitters
- Power Generation: Boiler control, turbine monitoring, and balance-of-plant instrumentation
- Pulp & Paper / Water Treatment: Multi-loop process control requiring reliable analog input infrastructure
- Pharmaceutical: GMP-compliant process monitoring with validated DCS platforms
System Integration & Compatible Parts
The AAT141-S50 S2 is designed for use within Yokogawa CENTUM VP field control station (FCS) I/O nests. It is compatible with standard CENTUM VP node units, power supply modules, and communication buses. Commonly paired components include:
- Yokogawa CENTUM VP Field Control Station (FCS) units
- Yokogawa I/O nest and node unit assemblies
- Yokogawa analog output modules (e.g., AAT141 series siblings)
- Standard 4–20 mA field transmitters (pressure, temperature, flow, level)
Contact our technical team to confirm compatibility with your specific CENTUM VP revision and I/O nest configuration before ordering.
Our Quality Assurance Process
At Konmask.com, every Yokogawa module we supply goes through a structured verification process before shipment:
- Visual Inspection: Check for physical damage, corrosion, bent pins, and label integrity
- Authenticity Verification: Cross-reference part markings, date codes, and serial numbers against Yokogawa documentation
- Functional Test (where applicable): Power-on and signal-path testing on compatible test benches
- Secure Packaging: ESD-safe anti-static bags, foam cushioning, and moisture barrier packaging for international transit
- Documentation: Test reports and certificates of conformance available upon request
How to Order
- Submit an Inquiry: Email [email protected] or call +0086 19859288691 with your part number and required quantity.
- Receive a Quote: Our team will confirm availability, lead time, and pricing within 1 business day.
- Confirm & Pay: We accept T/T bank transfer, PayPal, and other B2B payment methods.
- Shipment & Tracking: We ship via DHL, FedEx, UPS, or freight forwarder — with full tracking and export documentation.
Why Choose Konmask.com?
- ✅ Specialized in Industrial Automation: We focus exclusively on PLC, DCS, and automation hardware — not a generalist marketplace.
- ✅ Global B2B Supply: Serving engineering firms, EPCs, and plant maintenance teams across 30+ countries.
- ✅ Hard-to-Find Parts: We stock and source obsolete, discontinued, and long-lead Yokogawa modules.
- ✅ Technical Support: Our team includes engineers with hands-on DCS experience who can assist with compatibility questions.
- ✅ Fast Response: Inquiries answered within 24 hours. Emergency sourcing available.
Frequently Asked Questions
Q: Is the Yokogawa AAT141-S50 S2 a new or refurbished module?
A: We supply both new and tested-refurbished units depending on availability. The condition will be clearly stated in your quotation. All refurbished units pass our QA process before shipment.
Q: Can this module be used as a direct replacement in an existing CENTUM VP system?
A: In most standard CENTUM VP configurations, yes. However, we recommend confirming your FCS revision and I/O nest type with our technical team to ensure full compatibility.
Q: Do you provide a warranty?
A: Yes. We offer a standard warranty period on all modules. Specific terms are provided with your quotation and vary by product condition (new vs. refurbished).
Q: How long does international shipping take?
A: Express courier (DHL/FedEx) typically delivers within 3–7 business days to most destinations. Freight options are available for bulk orders.
Q: Can you source other Yokogawa CENTUM VP modules?
A: Yes. We maintain an extensive inventory of Yokogawa DCS components. Contact us with your full BOM or part list for a consolidated quote.
Q: What payment methods do you accept?
A: We accept T/T (bank wire transfer), PayPal, and other B2B payment arrangements. Letter of Credit (L/C) available for large orders.
© 2026 Konmask.com. All rights reserved.
Original Source: https://Konmask.com
Contact: [email protected] | +0086 19859288691
