Yokogawa AMM22M Multiplexer Module

The Yokogawa AMM22M Multiplexer Module is a versatile analog input module designed to efficiently multiplex multiple input signals into a single output, supporting advanced process control and monitoring systems. This module is part of Yokogawa’s comprehensive lineup for distributed control systems, offering reliable signal acquisition with high accuracy.

The AMM22M is widely used in process industries where numerous analog signals, such as voltage or current inputs, must be monitored continuously and transmitted to the control system for analysis and control. Its robust build ensures dependable operation in harsh industrial environments, making it suitable for applications ranging from chemical plants to power generation facilities.

This module supports easy integration with Yokogawa’s CENTUM and STARDOM systems, simplifying plant instrumentation while maintaining signal fidelity and system reliability.

Product Specifications

Product Applications

The Yokogawa AMM22M Multiplexer Module is designed to serve a broad range of industrial applications where multiple analog inputs must be consolidated and monitored efficiently:

• Chemical and Petrochemical Plants: Multiplexing voltage and current signals from pressure, temperature, and flow sensors for process control.

• Oil & Gas: Monitoring multiple sensor outputs from wellheads, pipelines, and process vessels.

• Power Plants: Measuring voltage and current signals from turbines, generators, and transformers for performance and safety monitoring.

• Pharmaceutical Industry: Precise signal acquisition for environmental controls and batch processes.

• Water and Wastewater Treatment: Input consolidation from various sensors measuring flow, level, and chemical concentrations.

• Food & Beverage: Streamlining sensor inputs for automated process management and quality assurance.

Product Advantages

• Multi-Signal Support: Supports both voltage and current analog inputs, enhancing flexibility for different sensor types.

• High Channel Density: 16 inputs per module optimize space utilization in control panels.

• Accurate Measurement: Offers ±0.1% full-scale accuracy to ensure precise data acquisition.

• Robust Isolation: Provides 1500 V AC isolation between channels and bus to prevent noise and interference.

• Built-In Diagnostics: Early detection of open circuits and signal faults helps avoid process interruptions.

• Wide Environmental Tolerance: Operates reliably in temperatures from -20°C to +55°C and in humid conditions.

• Compact Design: Small footprint with DIN rail mounting eases installation and system scalability.

• Low Power Consumption: Energy-efficient operation reduces overall plant power costs.

• Seamless Integration: Fully compatible with Yokogawa’s CENTUM and STARDOM systems for easy commissioning.

• Global Compliance: Meets major international standards including CE, RoHS, and KC.

Frequently Asked Questions (FAQ)

1. Q: What types of signals does the AMM22M support?

   A: It supports both voltage (±10 V, 0–10 V, 0–5 V) and current signals (4–20 mA with external resistor).

2. Q: How many channels does the AMM22M have?

   A: The module supports 16 analog input channels.

3. Q: Does the AMM22M provide isolation between input channels?

   A: Yes, it provides 1500 V AC isolation between channels and the bus.

4. Q: What is the typical measurement accuracy?

   A: ±0.1% of full scale.

5. Q: Can this module detect open or faulty sensor inputs?

   A: Yes, it includes diagnostics for open circuit, overrange, and undervoltage.

6. Q: What are the physical dimensions and weight of the AMM22M?

   A: Dimensions are 45 × 97 × 103 mm, weighing 0.3 kg.

7. Q: Is the AMM22M compatible with Yokogawa CENTUM and STARDOM systems?

   A: Yes, it is designed for seamless integration with these systems.

8. Q: What is the power supply requirement?

   A: It is powered via the I/O base, typically 24 V DC.

9. Q: What operating temperatures can the AMM22M handle?

   A: It operates within -20°C to +55°C.

10. Q: Are there certifications for safety and environmental compliance?

    A: Yes, the module meets CE, RoHS, and KC standards.