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Analog Input Module Product Information
Yokogawa AAI143-S53 S1 belongs to the AAI143 analog input module family for CENTUM control systems. The AAI143 module accepts isolated current-loop inputs and can supply two-wire transmitters. The suffix and style marking should be matched to the installed module.
Key specifications of AAI143-S53 S1
| Input channels | 16 isolated channels |
|---|---|
| Input signal | 4โ20 mA |
| Transmitter connections | Two-wire or four-wire setting per channel |
| Base model | AAI143 |
Applications and replacement checks
For DCS maintenance, compare the complete module code, terminal block and system configuration before purchasing. The standard S-code should not be assumed to include HART support; Yokogawa identifies HART-capable variants separately.
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Manufacturer technical reference
Model identification photo

- Model and part number will be checked before quotation.
- Suitable for industrial automation maintenance, replacement and MRO purchasing.
- Photos, serial number or nameplate information help us confirm the correct version.
Technical Specifications and Part Details
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