Product Description
YOKOGAWA AAI543 Analog Output Module
The YOKOGAWA AAI543 is a highly reliable Analog Output Module designed for seamless integration into Yokogawa’s CENTUM distributed control systems (DCS). This module delivers accurate 4 to 20 mA analog output signals across 16 isolated channels, ensuring optimal signal integrity and operational safety in demanding industrial environments. The specific AAI543-S03 Style S1 model is built to comply with stringent international safety standards, featuring robust hazardous location certifications. With ATEX II 3G Ex nC [nL] IIC T4 Gc X, as well as FM and CSA Class I, Division 2 approvals, this module provides dependable, high-performance process control for critical automation applications.
Technical Specifications:
- Brand: YOKOGAWA
- Model Number: AAI543 (Suffix: -S03, Style: S1)
- Module Type: Analog Output Module (16-Channel, 4 to 20 mA, Isolated)
- ATEX Classification: II 3G Ex nC [nL] IIC T4 Gc X
- FM/CSA Classification: CL.I, DIV.2, GPS, A, B, C, D T4 (CSA LR8741C)
- Certifications: CE, N200, KCC-REM-180-EEM22, FM Approved, CSA
- Country of Origin: Made in Indonesia

YOKOGAWA AAI543 Analog Output Module
Upgrade your CENTUM DCS with the YOKOGAWA AAI543-S03 Analog Output Module. This 16-channel, isolated 4-20mA module features CE, FM, CSA, and ATEX certifications for reliable and safe process automation in hazardous industrial environments.





