Yokogawa AMC80 Analog Multiplexer I/O Module

The Yokogawa AMC80 is a high-performance analog multiplexer I/O module designed for integration with Yokogawa’s Centum CS and Centum VP systems. This module ensures efficient data acquisition and control for various industrial automation applications. With 8 input channels and 8 output channels, it offers reliable signal handling for analog inputs and outputs, making it ideal for process control and measurement tasks.

Technical Specifications of the Yokogawa AMC80

Input Characteristics

• Input Resistance:
  • 1 MΩ at power-on
  • 340 kΩ at power-off
• Allowable Input Voltage:
  • -7.5 to 7.5 VDC
• Accuracy:
  • ±4 mV
• Drift Due to Temperature Change:
  • 0.1% per 10°C
• Data Update Period:
  • 10 ms
• Step Response:
  • 100 ms from 10% to 90%
• Isolation:
  • No isolation between field and system, and between channels
• Common Mode Voltage:
  • 1 V or lower

Output Characteristics

• Allowable Load Resistance:
  • 0 to 750 Ω
• Output Range:
  • 0 to 23 mA
• Open Detection:
  • 0.65 mA
• Accuracy:
  • ±48 µA
• Drift Due to Temperature Change:
  • 0.1% per 10°C
• Data Update Period:
  • 10 ms
• Step Response:
  • 40 ms from 10% to 90%
• Isolation:
  • No isolation between field and system, and between channels

Key Features of the Yokogawa AMC80

• High Input and Output Channels: The AMC80 offers 8 input channels and 8 output channels, making it a versatile solution for handling a wide range of analog signals in industrial environments.
• Precise Data Handling: With an accuracy of ±4 mV for inputs and ±48 µA for outputs, the module ensures reliable and precise signal processing for critical control and monitoring systems.
• Fast Response Times: The AMC80 features a step response time of 100 ms for input signals and 40 ms for output signals, ensuring rapid data updates and system response.
• No Isolation for Efficient Communication: While the AMC80 does not provide isolation between field systems and channels, it is designed for systems where isolation is not required, offering efficient and fast data transmission.
• Wide Temperature Range: Operating within the temperature range of -40°C to +85°C, this module performs reliably in a variety of harsh industrial environments.
• Compatibility with Yokogawa Systems: Specifically designed to integrate seamlessly with Yokogawa’s Centum CS and Centum VP systems, the AMC80 is optimized for use in complex industrial automation applications.

Applications of the Yokogawa AMC80

• Industrial Process Control: The AMC80 is ideal for handling multiple analog signals in process control systems, allowing for accurate data acquisition and control over a range of industrial processes.
• Measurement Systems: It can be used in measurement applications where precise analog signal handling is required, ensuring that data is collected and transmitted reliably.
• Automation and Control Systems: The AMC80 integrates well into industrial automation systems, enhancing the capability of control systems with real-time analog signal management.