Description
Product Description
Overview
The AAI143 (A4S00) from Yokogawa is a high-performance analog input module designed for precise 4 to 20 mA signal acquisition. This 16-channel module provides fully isolated input channels, ensuring accurate measurement in complex industrial environments. Ideal for process control systems and data acquisition applications, it supports reliable integration with Yokogawa DCS and PLC platforms.
Technical Specifications
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Model: AAI143
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Order Number: A4S00
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Module Type: Analog Input Module
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Input Channels: 16
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Input Signal Range: 4 to 20 mA
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Isolation: Fully isolated input channels to prevent ground loops
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Input Impedance: 250 Ohms nominal
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Terminal Type: Pressure Clamp Terminal Block (Model ATA4S-00)
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Accuracy: ±0.1% of full scale typical
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Response Time: 100 ms typical per channel
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Power Supply: 24 VDC, typical consumption 2.5 W
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Operating Temperature: -10 to 55 degrees Celsius
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Storage Temperature: -20 to 70 degrees Celsius
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Mounting: DIN rail compatible
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Communication Interface: Compatible with Yokogawa DCS analog input slots
Applications
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Process measurement and control systems
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Data acquisition in industrial automation
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Multi-channel sensor signal monitoring
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Integration with Yokogawa Centum VP and other DCS platforms
FAQ
Q: Can this module handle signals outside the 4-20 mA range?
A: No, the AAI143 (A4S00) is specifically designed for standard 4-20 mA signals. For other ranges, a signal converter is recommended.
Q: Is this module compatible with other brands of PLCs?
A: While primarily designed for Yokogawa systems, isolated analog input allows interfacing with other PLCs if signal conditioning and terminal compatibility are ensured.
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