Process Automation & DCS Control Solution — YOKOGAWA AAI135-H03 S1 | CENTUM VP Series
Where This Product Is Used
The YOKOGAWA AAI135-H03 S1 is a 16-channel analog input module designed for deployment in the CENTUM VP Distributed Control System (DCS). It is widely specified in the following industrial environments:
- Oil & Gas Refineries — continuous monitoring of flow, pressure, and temperature transmitters across process units
- Petrochemical & Chemical Plants — multi-loop analog signal acquisition from field instruments in hazardous areas
- Power Generation Facilities — boiler control, turbine monitoring, and auxiliary system integration
- Pulp & Paper Mills — process variable acquisition for digester, bleaching, and recovery boiler control
- Pharmaceutical Manufacturing — GMP-compliant process monitoring with high-accuracy signal conditioning
- Water & Wastewater Treatment — SCADA-integrated analog input for pump stations and treatment processes
- LNG Terminals & Offshore Platforms — SIL-rated signal acquisition in safety-critical control architectures
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | AAI135-H03 S1 |
| Manufacturer | YOKOGAWA Electric Corporation |
| Module Type | Analog Input Module |
| Number of Channels | 16 channels |
| Input Signal Range | 4–20 mA DC (with HART communication support) |
| Resolution | 16-bit A/D conversion |
| Isolation | Channel-to-channel and channel-to-bus isolation |
| Compatible Platform | YOKOGAWA CENTUM VP DCS (Field Control Station) |
| Suffix Code H03 | HART communication enabled, CE/ATEX compliant variant |
| Suffix Code S1 | Standard build with conformal coating |
| Power Consumption | Refer to CENTUM VP hardware manual (GS 33J60B10-01EN) |
| Operating Temperature | 0°C to 55°C |
| Weight | Approx. 320 g |
| Mounting | Node Unit (NU) slot in CENTUM VP FCS cabinet |
Why Engineers Specify This Model
- HART Pass-Through Support (H03 suffix) — enables simultaneous 4–20 mA process control and HART digital communication for remote device diagnostics without additional wiring
- High Channel Density — 16 channels per module reduces cabinet footprint and lowers per-channel installed cost in large-scale DCS projects
- 16-bit Resolution — delivers ±0.1% accuracy class performance, meeting the precision demands of custody transfer and regulatory reporting applications
- Conformal Coating (S1 suffix) — protects PCB from humidity, condensation, and corrosive atmospheres common in coastal or chemical plant environments
- Seamless CENTUM VP Integration — plug-and-play replacement within existing CENTUM VP FCS racks; no re-engineering of I/O builder or control drawings required
- Long Product Lifecycle — YOKOGAWA maintains module availability and firmware compatibility across CENTUM VP generations, protecting capital investment
Complete System Bill of Materials
The AAI135-H03 S1 is typically ordered alongside the following CENTUM VP components. Contact Konmask for bundle pricing:
- ANB10S / ANB11S — Node Unit base for mounting I/O modules in FCS cabinet
- AAT141-S00 — Terminal board for field wiring termination (screw-type, 16-ch)
- KS1-H / KS2-H — HART multiplexer for asset management integration (optional)
- ACM12 / ACM22 — Communication module for FCS node bus
- Power Supply Unit (PSU) — CENTUM VP-compatible 24 VDC redundant power supply
- Cable Assembly — Shielded multi-pair cable, 0.5 mm² minimum, for 4–20 mA field wiring
Compliance & Industry Standards
- CE Marking — EU Machinery Directive and EMC Directive compliant
- ATEX / IECEx — suitable for use in Zone 2 hazardous area installations (verify with project SIL assessment)
- IEC 61511 — compatible with SIL 1/2 safety instrumented system architectures when used with certified SIS logic solver
- NAMUR NE 43 — signal fault detection per NAMUR recommendation for 4–20 mA loops
- HART Communication Foundation — HART 5/6/7 protocol compliant (H03 suffix)
- RoHS — compliant with EU Directive 2011/65/EU on restriction of hazardous substances
Quality Assurance & Sourcing
Konmask.com sources YOKOGAWA modules through authorized distribution channels and verified secondary market suppliers. Every unit offered undergoes the following before dispatch:
- Visual inspection for physical damage, corrosion, and counterfeit indicators
- Label and serial number verification against YOKOGAWA manufacturing records where applicable
- Functional power-on test and LED status verification
- Anti-static packaging with humidity indicator card
- Certificate of conformance (CoC) available upon request
New, refurbished, and surplus stock conditions are clearly disclosed at time of quotation. Lead times vary by stock availability — contact us for real-time inventory status.
How to Source This Part
- Submit an RFQ — email support@konmask.com with your required quantity, delivery timeline, and project site location
- Receive a Quotation — our team responds within 1 business day with pricing, lead time, and stock condition details
- Place Order & Confirm Payment — we accept T/T bank transfer, PayPal, and major credit cards
- Shipping & Documentation — DHL / FedEx express worldwide; commercial invoice, packing list, and CoC included
- After-Sales Support — 90-day warranty on tested units; technical support available via WhatsApp and email
Application-Specific FAQ
Q: Is the AAI135-H03 S1 compatible with CENTUM CS 3000?
A: No. The AAI135 series is designed exclusively for CENTUM VP. For CS 3000 systems, the equivalent module is the AAI141-S03. Contact us to confirm compatibility with your FCS generation.
Q: Can I use this module in a SIL 2 safety loop?
A: The AAI135-H03 S1 is a standard process I/O module, not a certified SIL safety module. For SIL 2 applications, YOKOGAWA’s ProSafe-RS safety I/O modules are required. This module may be used in the basic process control system (BPCS) layer of a SIL-rated plant.
Q: What is the difference between AAI135-H03 and AAI135-H00?
A: The H03 suffix includes HART communication capability and CE/ATEX compliance. The H00 suffix is a standard analog input variant without HART. Specify H03 for any project requiring HART-based asset management or hazardous area certification.
Q: Do you supply the terminal board (AAT141) separately?
A: Yes. Konmask stocks both the module and associated terminal boards. Request a complete I/O assembly quote to receive bundle pricing.
Q: What is the lead time for this module?
A: Lead time depends on current stock. Ex-stock units ship within 3–5 business days. For non-stock items, typical lead time is 4–8 weeks. Contact us for real-time availability.
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