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The Yokogawa AAI543‑H00/A4S00 Analog Input Module provides isolated analog signal acquisition for CENTUM VP and ProSafe‑RS systems. It supports standard 4–20 mA process signals across 16 channels, ensuring precise measurement, secure isolation, and reliable integration in distributed control environments.
Manufacturer: Yokogawa
Product Number: AAI543‑H00/A4S00
Product Type: Analog Input Module
Series Model: AAI543 – 16‑channel isolated analog input (4–20 mA)
Suffix Code: H = High‑speed type
Explosion Protection: 0 = Basic type, no explosion protection
Optional Codes: /A4S00 = With Pressure Clamp Terminal Block (Model ATA4S‑00)
Nominal Input Voltage: 24 VDC
Input Channels: 16 isolated analog inputs
Signal Range: Standard 4–20 mA process signals
Update Period: Fast response optimized for real‑time control
Isolation: Channel‑to‑channel and channel‑to‑system isolation
Shipping Weight: 2.0 kg
High Accuracy: Reliable acquisition of industrial process signals
High‑Speed Type: Optimized for fast response in real‑time control applications
Channel Isolation: Prevents interference and ensures secure data integrity
Pressure Clamp Terminal Block: Simplifies wiring and enhances connection reliability
System Integration: Seamlessly compatible with Yokogawa CENTUM VP and ProSafe‑RS systems
Industrial Durability: Built for continuous operation in harsh environments

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All parts are sourced from reputable manufacturers and undergo thorough quality checks.
Extensive stock of industrial automation and discontinued parts, ready for immediate shipment.
Every product — including obsolete items — is covered by a 12-month warranty and 30-day return guarantee.
All product names, trademarks, brands, and logos mentioned on this website are the property of their respective owners.These names and trademarks are used for identification and reference purposes only.We are an independent supplier of industrial automation spare parts.We are not an authorized distributor, dealer, or representative of any manufacturer.Products supplied may include surplus inventory or unused items.We do not claim any affiliation with or endorsement by the original manufacturers.