Yokogawa|AAI143-S50/A4S00|Current Input Module

SKU: AAI143-S50/A4S00

Manufacturer: Yokogawa
Product No.: AAI143-S50/A4S00
Condition：In stock
Product Type: Current Input Module
Product Origin: Japan
Payment:T/T, Western Union
Weight: 2000g
Shipping port: Xiamen
Warranty: 12 months

Yokogawa AAI143-S50/A4S00 Current Input Module

The Yokogawa AAI143-S50/A4S00 is a 16-channel, isolated analog current input module that accepts 4–20 mA signals and supports dual-redundant configuration.

Isolated inputs with surge protection via pressure clamp terminal (A4S00 option)
Supports both 2-wire and 4-wire transmitters per channel
No HART communication (standard S-series variant)

Technical Specifications

Input signal: 4 to 20 mA
Number of channels: 16, isolated
Allowable input current: up to 24 mA
Input resistance: 270 Ω to 350 Ω (depending on current), ≥500 kΩ when powered off
Accuracy: ±16 µA
Temperature drift: ±16 µA per 10 °C
Data update period: 10 ms
Transmitter power supply: 19.0 V min at 20 mA, ≤25.5 V at 0 mA (max 25 mA output)
Withstanding voltage: 1500 V AC for 1 minute between input and system
Maximum current consumption: 230 mA at 5 V DC, 540 mA at 24 V DC
Weight: 0.3 kg

Order and Warranty Information

Terms of Purchase and Returns

Detailed guidelines on minimum order quantity, delivery times, payment options, warranty, and return policies.

We gladly accept bulk orders, with a minimum order quantity of just one unit.

Upon request, we can provide all necessary documents, including Certificates of Origin/Conformance and other required export paperwork.

We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% payable before shipment. For RMB transfers, please contact us if you have an agent in China.

All new and original items come with a standard one-year warranty. For extended warranty options, feel free to contact us for pricing details.

We prioritize your satisfaction. If you need to return an item, it must be done within 30 days of purchase. The product must be unused, unopened, and in its original packaging, including all accessories. Refunds will be processed within 5-7 business days of receiving the return. Please note, shipping and handling charges are non-refundable.

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