YOKOGAWA AAP135-S50 Pulse Input Module – CENTUM VP / CS 3000 Series
In high-stakes industrial process environments — refineries, chemical plants, power generation facilities — a single failed pulse input module can bring an entire flow measurement loop to a standstill. Without accurate pulse signal acquisition, operators lose visibility into critical flow rates, batch counts, and turbine speeds, triggering costly unplanned shutdowns and safety incidents. The YOKOGAWA AAP135-S50 Pulse Input Module is engineered to eliminate this risk, delivering rock-solid pulse signal conditioning directly within the CENTUM VP and CS 3000 Distributed Control System architecture.
The AAP135-S50 occupies a specialized position within YOKOGAWA’s AAP-series I/O lineup — purpose-built for pulse-type field instruments such as turbine flowmeters, vortex meters, and electromagnetic pulse transmitters. As part of YOKOGAWA’s globally trusted CENTUM platform, which controls critical infrastructure across more than 30,000 installations worldwide, this module represents the gold standard for pulse signal integration in process automation. Its S50 suffix designates its specific channel configuration and signal compatibility, making it a precise fit for demanding measurement applications where signal integrity is non-negotiable.
Technical Specifications
- Model Number: AAP135-S50
- Manufacturer: YOKOGAWA Electric Corporation
- Module Type: Pulse Input Module
- Compatible Systems: YOKOGAWA CENTUM VP, CENTUM CS 3000
- Series: AAP Series DCS I/O Modules
- Signal Type: Pulse input (contact / voltage pulse)
- Weight: Approx. 300 g
- Mounting: DCS I/O nest / field control station (FCS) rack
- Operating Environment: Industrial process control environments
- Compliance: Designed to YOKOGAWA CENTUM system standards
Note: All specifications are based on YOKOGAWA official documentation. Do not rely on third-party sources for safety-critical parameter values.
Key Features & Benefits
- High-Fidelity Pulse Acquisition: Accurately captures high-frequency pulse signals from turbine and vortex flowmeters, ensuring precise flow totalization and rate measurement.
- Seamless CENTUM Integration: Plug-and-play compatibility with YOKOGAWA CENTUM VP and CS 3000 FCS racks — no additional signal conditioning hardware required.
- Robust Signal Isolation: Built-in isolation protects the DCS backplane from field-side electrical noise and transient surges common in industrial environments.
- Compact I/O Form Factor: Designed for high-density I/O nest installation, maximizing cabinet space efficiency in brownfield and greenfield projects alike.
- Long Service Life: YOKOGAWA’s industrial-grade component selection ensures reliable operation across extended plant lifecycles, reducing total cost of ownership.
- Simplified Maintenance: Hot-swap capable within the CENTUM system architecture, minimizing process interruption during module replacement.
Industry & Equipment Applications
- Oil & Gas: Pipeline flow measurement, custody transfer metering, wellhead monitoring
- Petrochemical & Refining: Reactor feed flow control, distillation column instrumentation
- Power Generation: Turbine speed monitoring, steam flow measurement
- Water & Wastewater: Pump flow totalization, treatment plant process control
- Pharmaceuticals: Batch process flow measurement, CIP/SIP system monitoring
- Pulp & Paper: Stock flow control, chemical dosing systems
System Integration & Compatible Parts
The AAP135-S50 is designed for use within the YOKOGAWA CENTUM VP and CS 3000 DCS ecosystems. Compatible system components include:
- CENTUM VP Field Control Stations (FCS): PFCS, SFCS, LFCS series
- CENTUM CS 3000 FCS units and I/O nests
- AAP-series companion I/O modules (analog input, analog output, digital I/O)
- YOKOGAWA EJX/EJA series pressure transmitters (pulse output variants)
- YOKOGAWA ADMAG AXF electromagnetic flowmeters (pulse output)
- Third-party turbine flowmeters and vortex meters with compatible pulse output signals
Contact our technical team to verify compatibility with your specific FCS configuration and I/O nest revision.
Our Quality Assurance Process
At Konmask.com, every YOKOGAWA module undergoes a rigorous multi-stage verification process before shipment:
- Authenticity Verification: Cross-referenced against YOKOGAWA’s official part numbering and labeling standards.
- Visual & Physical Inspection: Checked for connector integrity, PCB condition, and housing damage.
- Functional Pre-Check: Where applicable, modules are bench-tested for basic electrical continuity and signal response.
- Secure Packaging: Anti-static packaging with shock-absorbing materials to protect sensitive electronics during international transit.
- Documentation: Each shipment includes a packing list and, where available, original manufacturer documentation.
How to Order
- Submit an Inquiry: Contact us via email at support@konmask.com or via the inquiry form on this page with your required quantity and delivery timeline.
- Receive a Quote: Our team will respond within 1 business day with pricing, lead time, and availability confirmation.
- Order Confirmation: Upon agreement, we issue a proforma invoice and confirm your order.
- Shipment & Tracking: We arrange international shipping via DHL, FedEx, or UPS with full tracking provided.
- After-Sales Support: Our technical team remains available post-delivery for integration questions.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on DCS, PLC, and industrial automation components — not a generalist marketplace.
- Global Supply Network: Access to both new and refurbished YOKOGAWA modules from verified supply channels worldwide.
- Technical Expertise: Our team includes engineers with hands-on CENTUM VP and CS 3000 project experience.
- Fast Response: Inquiry-to-quote turnaround within 24 hours, with expedited sourcing for urgent plant requirements.
- Trusted by Industry: Serving EPC contractors, plant maintenance teams, and system integrators across Asia, the Middle East, and Europe.
Frequently Asked Questions
Q: Is the AAP135-S50 compatible with both CENTUM VP and CS 3000?
A: The AAP135-S50 is designed for the YOKOGAWA CENTUM platform. Please confirm your specific FCS model and I/O nest revision with our technical team to ensure full compatibility before ordering.
Q: Do you supply new or refurbished AAP135-S50 modules?
A: We supply both new and professionally refurbished units. All refurbished modules are inspected and tested. Please specify your preference when submitting an inquiry.
Q: What is the typical lead time for the AAP135-S50?
A: Lead time varies by stock availability. In-stock units typically ship within 3–5 business days. For sourced units, lead time is 2–4 weeks. Contact us for current availability.
Q: Can you provide a datasheet or technical documentation?
A: Yes. We can provide YOKOGAWA official datasheets and installation manuals upon request. Contact support@konmask.com.
Q: Do you offer warranty on YOKOGAWA modules?
A: Yes. We offer a standard warranty on all supplied modules. Terms vary by unit condition (new vs. refurbished). Details are provided with your quotation.
© 2026 Konmask.com. All rights reserved.
Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
{
“@context”: “https://schema.org/”,
“@graph”: [
{
“@type”: “Product”,
“name”: “YOKOGAWA AAP135-S50 Pulse Input Module”,
“description”: “YOKOGAWA AAP135-S50 Pulse Input Module for CENTUM VP and CS 3000 DCS systems. Designed for pulse signal acquisition from turbine flowmeters, vortex meters, and other pulse-output field instruments in industrial process automation.”,
“sku”: “AAP135-S50”,
“mpn”: “AAP135-S50”,
“brand”: {
“@type”: “Brand”,
“name”: “YOKOGAWA”
},
“manufacturer”: {
“@type”: “Organization”,
“name”: “YOKOGAWA Electric Corporation”
},
“category”: “DCS I/O Module”,
“url”: “https://konmask.com/products/yokogawa-aap135-s50-pulse-input-module-centum-vp”,
“offers”: {
“@type”: “Offer”,
“url”: “https://konmask.com/products/yokogawa-aap135-s50-pulse-input-module-centum-vp”,
“priceCurrency”: “USD”,
“availability”: “https://schema.org/InStock”,
“seller”: {
“@type”: “Organization”,
“name”: “Konmask.com”
}
}
},
{
“@type”: “FAQPage”,
“mainEntity”: [
{
“@type”: “Question”,
“name”: “Is the AAP135-S50 compatible with both CENTUM VP and CS 3000?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “The AAP135-S50 is designed for the YOKOGAWA CENTUM platform. Please confirm your specific FCS model and I/O nest revision with our technical team to ensure full compatibility before ordering.”
}
},
{
“@type”: “Question”,
“name”: “Do you supply new or refurbished AAP135-S50 modules?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “We supply both new and professionally refurbished units. All refurbished modules are inspected and tested. Please specify your preference when submitting an inquiry.”
}
},
{
“@type”: “Question”,
“name”: “What is the typical lead time for the AAP135-S50?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Lead time varies by stock availability. In-stock units typically ship within 3–5 business days. For sourced units, lead time is 2–4 weeks. Contact us for current availability.”
}
},
{
“@type”: “Question”,
“name”: “Can you provide a datasheet or technical documentation for the AAP135-S50?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Yes. We can provide YOKOGAWA official datasheets and installation manuals upon request. Contact support@konmask.com.”
}
},
{
“@type”: “Question”,
“name”: “Do you offer warranty on YOKOGAWA modules?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Yes. We offer a standard warranty on all supplied modules. Terms vary by unit condition (new vs. refurbished). Details are provided with your quotation.”
}
}
]
}
]
}
