YOKOGAWA AAI143-H03 PLC MODULE

Description:

The Yokogawa AAI143-H03 Analog Input Module is used in distributed control systems for acquiring analog signals from field transmitters. Commonly installed in Yokogawa CENTUM DCS cabinets, control panels, and industrial automation systems. Maintenance teams and system integrators use this part for expanding input capacity, replacing failed I/O modules, or maintaining reliable signal acquisition in process control systems.

Applications:

The Yokogawa AAI143-H03 is commonly used in industrial process control environments where analog signals such as 4–20 mA or 1–5 VDC must be collected from field devices. It is frequently applied in oil & gas, chemical plants, power generation, and manufacturing systems to capture real-time data from transmitters measuring pressure, temperature, flow, and level. These modules convert analog signals into digital values for processing within Yokogawa DCS platforms, supporting stable and accurate system control.

Technical Specifications:

• Manufacturer: Yokogawa
• Model / Part Number: AAI143-H03 (Style S2 variant)
• Product Type: Analog Input Module
• Channels: 16-channel input module
• Input Signal Types: 4–20 mA, 1–5 VDC
• Isolation: Isolated input channels
• Accuracy: Approx. ±0.1% full scale
• Data Update Rate: ~10 ms
• Transmitter Power Supply: Integrated (supports 2-wire/4-wire transmitters)
• System Compatibility: Yokogawa CENTUM VP / FIO systems
• Mounting Type: Rack-mounted I/O module
• Function: Converts analog field signals to digital data for control systems
• Configuration: Supports redundant system setups

Common Replacements:

• Yokogawa AAI143-H00 Analog Input Module
• Yokogawa AAI143-H53 Analog Input Module
• Yokogawa AAB841 Analog I/O Module