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Analog Input Module Yokogawa AAI143-S00

Analog Input Module Yokogawa AAI143-S00

Product Description

The Yokogawa AAI143-S00 is a high-density, 16-channel analog input module engineered for precise current signal acquisition in distributed control systems. It is designed to interface seamlessly with both 2-wire and 4-wire transmitters, offering channel-level flexibility through pin-based...

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SKU: AAI143-S00
Vendor: Yokogawa
Category: Analog Input Module
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Product Description

The Yokogawa AAI143-S00 is a high-density, 16-channel analog input module engineered for precise current signal acquisition in distributed control systems. It is designed to interface seamlessly with both 2-wire and 4-wire transmitters, offering channel-level flexibility through pin-based configuration. With its robust galvanic isolation and high-speed data update period, this module ensures accurate process monitoring in mission-critical automation environments. The unit includes an integrated transmitter power supply, simplifying field wiring while maintaining strict adherence to industrial signal integrity standards.

Technical Specifications

Specification Details
Model AAI143-S00
Input Channels 16 isolated channels
Signal Type 4 to 20 mA DC
Allowable Input Current 24 mA
Accuracy ±16 μA
Data Update Period 10 ms
Transmitter Power Supply 19.0 V (at 20 mA) to 25.5 V (at 0 mA)
Input Resistance (Power ON) 270 Ω (20 mA) to 350 Ω (4 mA)
Withstanding Voltage 1500 V AC for 1 minute (Input to System)
Power Consumption 230 mA (5 V DC) and 540 mA (24 V DC)
Ambient Temperature Drift ±16 μA per 10 °C
Dimensions 13 cm x 3 cm x 13 cm
Weight 0.2 kg

Operational Advantages

Designed for versatile field integration, the AAI143-S00 supports selectable 2-wire or 4-wire transmitter setups for each individual channel. This granular control allows for complex instrumentation layouts within a single module rack. Its high input impedance when powered off (500 kΩ or larger) protects the internal circuitry from accidental damage during maintenance, while the internal current limit of 25 mA provides essential loop protection against short-circuit conditions.

Frequently Asked Questions

Q: How do I configure the channel for a 2-wire vs 4-wire transmitter?

A: The configuration is performed using physical settings on the module's pins for each individual channel, allowing for mixed-signal setups within the same unit.

Q: Does the module provide power to field transmitters?

A: Yes, it includes an integrated transmitter power supply designed to provide up to 25 mA output current, sufficient for standard loop-powered field instruments.