AMC80/ZCT | Yokogawa | CENTUM Remote Analog I/O Module

Overview

The AMC80/ZCT is a high-density multipoint analog I/O module engineered by Yokogawa for use in the CENTUM CS and CENTUM VP distributed control systems. Designed as part of the CENTUM Remote I/O architecture, this module combines analog input and analog output functions within a single hardware unit, enabling efficient signal acquisition and control in large-scale process automation systems.

By supporting both current and voltage signals, the AMC80/ZCT provides flexible interfacing with a wide range of field devices, including transmitters, analyzers, and control actuators. Its robust electrical design, channel isolation, and precise signal conversion ensure stable and accurate operation in electrically noisy industrial environments.

Key Functional Characteristics

• Integrated analog input and output capability in one module
• Configurable channel density to optimize cabinet space
• High-resolution A/D and D/A conversion for precise process control
• Electrical isolation to protect the control system and field wiring
• Seamless compatibility with Yokogawa CENTUM CS and CENTUM VP platforms

Technical Specifications

• Model: AMC80/ZCT
• Product Category: CENTUM Remote Analog I/O
• Analog Input Signals:
  • 4–20 mA DC
  • 0–10 V DC
• Analog Output Signals:
  • 4–20 mA DC
  • 0–10 V DC
• Channel Configuration:
  • Analog Inputs: 8, 16, or 32 channels (system-configurable)
  • Analog Outputs: 8 or 16 channels
• Conversion Resolution: 16-bit (A/D and D/A)
• Measurement Accuracy: ±0.1% of full scale (typical)
• Electrical Isolation:
  • Channel-to-channel isolation
  • Isolation between I/O and system bus
• Power Supply Requirement: 24 V DC
• Operating Temperature Range: 0 to 55 °C
• Storage Temperature Range: –20 to 70 °C
• Relative Humidity: 5–95%, non-condensing

Mechanical and Installation Details

• Mounting Options: Rack mounting or wall mounting (horizontal orientation)
• I/O Signal Termination: M4 screw terminals
• Power and Ground Connection: M4 screw terminals
• I/O Cable Shield Grounding: M3 screw terminal
• Connection Cables:
  • KS1 Yokogawa-specified cables
  • CN1 and CN2 connectors

System Compatibility

The AMC80/ZCT is fully supported by Yokogawa CENTUM CS and CENTUM VP DCS environments. Configuration, diagnostics, and maintenance are handled directly through the CENTUM engineering tools, ensuring consistent system integration and lifecycle support.

Typical Applications

• Power generation and utility control systems
• Oil, gas, and petrochemical processing units
• Metallurgical and material processing plants
• Environmental monitoring systems
• Large-scale manufacturing and continuous process control

Engineering Notes

The AMC80/ZCT is well suited for installations where high channel density and signal accuracy are required without expanding cabinet footprint. Its stable long-term performance and strong immunity to electromagnetic interference make it a reliable choice for critical process measurements and control outputs.

FAQ

Can the AMC80/ZCT handle both input and output signals simultaneously?

Yes. The module is designed to support analog inputs and analog outputs within the same hardware unit, depending on the configured channel allocation.

Is the module isolated for industrial noise protection?

Yes. It provides channel-to-channel isolation and system isolation, reducing the impact of ground loops and electromagnetic interference.

Which Yokogawa systems support this module?

The AMC80/ZCT is intended for use with CENTUM CS and CENTUM VP distributed control systems.