Name: Yokogawa AAI135-S00 S2
Brand: Yokogawa

Products / Yokogawa / AAI135-S00 S2

Yokogawa AAI135-S00 S2

Model: AAI135-S00 S2

Brand Yokogawa

Series AAI135-S00 S2

Model AAI135-S00 S2

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Technical Dossier

Product Details And Specifications

YOKOGAWA AAI135 Series Technical Notes

The Evolution of AAI135 Architecture

The AAI135 module was introduced as part of YOKOGAWA's CENTUM CS 3000 platform in the late 1990s, designed to replace earlier discrete analog input cards with a unified, bus-compatible module format. The original AAI135-S00 variant established the baseline 16-channel single-ended analog input specification. Subsequent suffix revisions (S1, S2, S3) introduced incremental changes to firmware revision levels, conformal coating specifications, and EMC compliance ratings to meet evolving IEC and ATEX standards.

AAI135 Full Catalog & Functionalities (SKU List)

The following SKUs represent the documented AAI135 series range. Each entry is classified by functional role within the CENTUM DCS architecture:

Analog Input Modules (AI)

AAI135-S00: 16-ch analog input, 4–20 mA, non-HART, standard coating
AAI135-S00 S2: 16-ch analog input, 4–20 mA, non-HART, revision S2 firmware/coating spec
AAI135-S00 S3: 16-ch analog input, 4–20 mA, non-HART, revision S3 EMC-enhanced variant
AAI135-H00: 16-ch analog input, 4–20 mA, HART-enabled, standard coating
AAI135-H00 S2: 16-ch analog input, HART-enabled, revision S2 specification
AAI135-H00 S3: 16-ch analog input, HART-enabled, revision S3 EMC-enhanced
AAI135-H50: 16-ch analog input, HART, intrinsically safe barrier integrated variant
AAI135-H50 S2: IS-barrier integrated, HART, revision S2 conformal coat
AAI135-S50: 16-ch analog input, non-HART, intrinsically safe barrier integrated
AAI135-S50 S2: IS-barrier integrated, non-HART, revision S2 specification

Associated Bus Interface & Termination Units

ANT1D-S00: Node interface unit for AAI135 I/O bus segment, standard rail mount
ANT1D-S00 S2: Node interface unit, revision S2, enhanced surge protection
AIP835-S00: I/O power supply module for AAI135 FCS node, 24 VDC output
AIP835-S00 S2: I/O power supply, revision S2, extended temperature range
ATD5D-S00: Terminal board for AAI135 field wiring termination, 16-channel
ATD5D-H00: Terminal board, HART pass-through variant, 16-channel
ACM12-S00: Communication module for CENTUM FCS, supports AAI135 node segment

Sourcing Hard-to-Find & Obsolete AAI135 Parts

As the AAI135 series enters end-of-life status within YOKOGAWA's active product portfolio, OEM factory orders for new units are no longer reliably fulfilled. DriveKNMS operates a dedicated procurement channel for discontinued and hard-to-source CENTUM I/O modules. Our inventory strategy for the AAI135 range includes:

Quality Control for the AAI135 Range

The AAI135 module's multi-channel analog input architecture and backplane bus interface require a structured test protocol that differs from standard relay or digital I/O modules. DriveKNMS applies the following procedures to all AAI135 units prior to shipment:

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