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The AMM32C (incorporating part number AMM32C) is a high-density temperature acquisition module engineered for Yokogawa’s CENTUM VP and CENTUM CS 3000 Distributed Control Systems (DCS). This millivolt-level multiplexer...
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The AMM32C (incorporating part number AMM32C) is a high-density temperature acquisition module engineered for Yokogawa’s CENTUM VP and CENTUM CS 3000 Distributed Control Systems (DCS). This millivolt-level multiplexer is designed to consolidate up to 32 Resistance Temperature Detector (RTD) signals, providing a streamlined and cost-effective interface for large-scale thermal monitoring. It is primarily utilized in power plants, refineries, and chemical processing facilities to track bearing temperatures, motor windings, and reactor profiles.
| Specification | Details |
|---|---|
| Channel Capacity | 32 isolated RTD input channels |
| Sensor Compatibility | Supports Pt100, JPt100, and other standard 2-wire or 3-wire RTD configurations |
| Lead Wire Compensation | Active compensation for 3-wire setups to maintain measurement integrity over long distances |
| Interconnect Interface | Utilizes the KS8 dedicated connecting cable for system bus integration |
| Insulation Resistance | ≥100 MΩ (measured at 500V DC) |
| Dielectric Strength | 500V AC withstanding voltage |
| Operational Environment | 0°C to 50°C (32°F to 122°F) |
| Unit Weight | 0.45kg |
The AMM32C is built for mission-critical reliability, featuring high-grade galvanic isolation that protects the DCS backplane from field-side electrical surges. Its multiplexing architecture allows the system to scan 32 temperature points with high precision, reporting data directly to the controller with minimal signal degradation. The module is treated with industrial-grade protection to ensure consistent performance in high-humidity and electrically noisy environments.
Q: Does the AMM32C require a specific terminal board?
A: Yes, the AMM32C typically interfaces with a field termination board (such as the AEDV series) via the KS8 cable. This allows for organized field wiring and provides the necessary cold-junction or lead-wire compensation points.
