The Yokogawa AMM42 Input Multiplexer Module is an essential component designed for the CENTUM series distributed control systems (DCS). This module consolidates multiple analog input signals, allowing efficient and accurate data acquisition from various field instruments. It supports a variety of input types including voltage, current, and resistance, enabling flexible integration across diverse industrial processes.

Built with industrial-grade materials and Yokogawa’s renowned reliability, the AMM42 ensures stable signal processing and seamless communication with the CENTUM DCS backbone. Its modular design simplifies maintenance and expansion, providing a scalable solution for complex process control environments.

Product Specifications

Product Applications

The AMM42 module is widely utilized for gathering and multiplexing multiple analog signals in complex process industries. Common application areas include:

• Power Plants: For monitoring voltage and current signals from sensors and instrumentation.

• Chemical Plants: Gathering analog process signals such as pressure, flow, and temperature indirectly.

• Oil & Gas: Integrating analog measurements from distributed sensors for process control.

• Pharmaceutical Manufacturing: Collecting precise sensor data in continuous or batch processes.

• Water Treatment Facilities: Monitoring various analog signals for treatment process management.

• Food & Beverage: Managing sensor inputs for quality and process consistency.

Product Advantages

• Versatile Input Support: Handles various analog inputs (voltage, current, resistance), providing broad measurement options.

• High Channel Density: Multiplexes 16 inputs efficiently, minimizing module count and saving rack space.

• Stable and Accurate: Provides precise signal acquisition with low noise and excellent linearity.

• Seamless Integration: Fully compatible with Yokogawa CENTUM CS1000 and CS3000 series systems.

• Modular Design: Easy to install, maintain, and expand within existing control systems.

• Robust Industrial Build: Designed for reliable operation in harsh industrial conditions.

• Diagnostic Functions: Enables early detection of signal faults and wiring issues.

• Energy Efficient: Low power consumption helps reduce operational costs.

• Standard Compliance: CE marking and adherence to relevant industrial standards ensure safety and interoperability.

• Simplified Maintenance: Plug-and-play replacement and easy diagnostics minimize downtime.

Frequently Asked Questions (FAQ)

1. What input types does the AMM42 support?

   It supports voltage, current, and resistance inputs; thermocouple inputs are supported via external modules.

2. How many channels does the AMM42 multiplex?

   It multiplexes 16 input channels.

3. Is the module compatible with all CENTUM systems?

   It works with CENTUM CS1000 and CS3000 systems.

4. What is the accuracy of the measurements?

   The accuracy is ±0.1% of full scale.

5. What are the physical dimensions of the AMM42 module?

   Dimensions are 120 × 90 × 60 mm.

6. How much does the module weigh?

   It weighs 0.5 kg.

7. What is the operating temperature range?

   It operates reliably between 0°C and 55°C.

8. Does the AMM42 have built-in fault diagnostics?

   Yes, it features diagnostics for signal faults and wiring issues.

9. Can this module be hot-swapped?

   Replacement requires system downtime; hot swapping is generally not supported.

10. What is the module’s response time?

    Typically, the response time is 250 milliseconds.