Yokogawa AAI543

The Yokogawa AAI543 is a type of analog input module used in the Yokogawa Centum VP distributed control system. It is designed to convert analog signals from field devices into digital signals that can be processed by the control system. The AAI543 module has 16 channels, each capable of accepting a 4-20 mA DC input signal. It also has built-in diagnostics and self-checking functions to ensure reliable operation. The module is hot-swappable, meaning it can be replaced without shutting down the system.

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The Yokogawa AAI543 is a 4-channel analog input module for use with Yokogawa’s CENTUM VP and ProSafe-RS distributed control systems. It is designed to accept a variety of analog signals, including voltage, current, and thermocouples.

The module has the following specifications:

• Input channels: 4
• Input types: voltage, current, thermocouple
• Input ranges: see manual for details
• Accuracy: see manual for details
• Isolation: 1500 VDC between input and backplane
• Update rate: 100 ms per channel
• Diagnostic functions: open/short detection, sensor break detection, input overrange detection
• Operating temperature: -20 to 70°C
• Power consumption: 5.5 W max

The module is designed for use in a variety of industrial applications, including process control, power generation, and oil and gas. It is a reliable and accurate solution for monitoring analog signals in a distributed control system.