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Product Introduction
The Yokogawa AMM12T is a high-performance Voltage Input Multiplexer Module designed to serve critical signal switching and routing functions in industrial automation and control systems. As part of the Yokogawa CENTUM series, the AMM12T module is engineered to handle multiple analog voltage input signals with high accuracy and speed, allowing seamless data acquisition for complex process environments.
Built for integration into distributed control systems (DCS), the AMM12T supports multiple channels, enabling users to monitor multiple voltage points using a single card. This optimizes both space and cost. Its rugged design, superior signal integrity, and compatibility with Yokogawa’s ProSafe and CENTUM platforms make it a dependable choice for industries where precision and reliability are essential.
Product Specifications
| Parameter | Details |
|---|---|
| Model | AMM12T |
| Manufacturer | Yokogawa Electric Corporation |
| Type | Voltage Input Multiplexer Module |
| Input Channels | 16 analog voltage channels |
| Input Signal Range | 0–10 V DC |
| Input Impedance | >10 MΩ |
| Conversion Method | Time-Division Multiplexing (TDM) |
| Resolution | 16-bit A/D conversion |
| Scan Time | Approx. 50 ms (for full channel scan) |
| Isolation | Channel-to-channel and channel-to-ground isolated |
| Operating Temperature Range | 0°C to 50°C |
| Storage Temperature Range | –20°C to 70°C |
| Relative Humidity | 5% to 95% (non-condensing) |
| Power Supply Voltage | Supplied via base unit (typically 5 V DC) |
| Mounting Type | Mounted on baseplate or rack |
| Dimensions (W x H x D) | 45 × 97 × 103 mm |
| Weight | 0.3 kg |
| Certification | CE, RoHS, UL, CSA certified |
| Compatible Systems | CENTUM CS 3000, ProSafe-RS |
| Diagnostics | Self-diagnostic function supported |
Applications
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Chemical Processing Plants: For precise voltage monitoring of sensors and instruments in hazardous areas.
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Power Generation: Monitoring turbine and generator voltage feedbacks.
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Oil & Gas Industry: Integration into SCADA/DCS systems for voltage data collection from field transmitters.
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Water Treatment Facilities: Collecting voltage signals from flow meters, pH meters, and level sensors.
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Manufacturing Automation: Monitoring machine sensor outputs in real-time.
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Pharmaceutical Industry: Tracking critical voltage levels in validated systems.
Key Advantages
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Multi-Channel Integration: Offers up to 16 voltage input channels, reducing the need for additional modules.
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High Accuracy: 16-bit resolution ensures precise signal measurement and control.
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Isolated Channels: Electrical isolation reduces interference and ensures data integrity.
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Space-Saving Design: Compact and rack-mountable structure suits space-constrained installations.
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Robust Environmental Tolerance: Operates reliably in diverse industrial environments.
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Easy Integration: Fully compatible with Yokogawa’s flagship control systems.
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Enhanced Diagnostics: Self-monitoring functions improve maintenance and reduce downtime.
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Stable Performance: Designed to maintain stability over long operational cycles.
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Reduced Wiring Complexity: Consolidates voltage inputs, minimizing cabling requirements.
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Longevity and Reliability: Built to Yokogawa’s high standards for durability and lifecycle support.
Frequently Asked Questions (FAQ)
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What is the purpose of the AMM12T module?
It acts as a voltage input multiplexer, collecting multiple analog voltage signals and transmitting them to the control system. -
How many voltage inputs can the AMM12T handle?
The module supports up to 16 voltage input channels. -
Is the AMM12T compatible with the CENTUM CS 3000 system?
Yes, it integrates seamlessly with Yokogawa’s CENTUM CS 3000 and ProSafe-RS platforms. -
What type of voltage signals can it receive?
It is designed for DC voltage signals ranging from 0 to 10 V. -
Does the module offer channel isolation?
Yes, it features both channel-to-channel and channel-to-ground isolation. -
Can the AMM12T operate in high-humidity environments?
Yes, it supports up to 95% relative humidity, non-condensing. -
What is the resolution of the voltage conversion?
The AMM12T features 16-bit resolution for precise measurements. -
Is calibration required after installation?
Factory calibration is usually sufficient, though periodic calibration can ensure continued accuracy. -
Does it support hot-swapping?
No, the AMM12T does not support hot-swapping and should be installed with the power off. -
What kind of diagnostics does the module support?
The AMM12T includes self-diagnostic capabilities to detect internal faults or signal abnormalities.
Related or Same-Series Models
| Model | Description | Input Type | Channels | Resolution | Isolation |
|---|---|---|---|---|---|
| AMM11T | Voltage Input Multiplexer Module | 0–10 V DC | 8 channels | 16-bit | Yes |
| AAI143-H50 | Analog Input Module with HART | 4–20 mA + HART | 16 channels | 16-bit | Yes |
| AAI141-S50 | Standard Analog Input Module | 4–20 mA | 8 channels | 12-bit | Yes |
| AAP135 | Analog Input (High-Speed Multiplexer) Module | ±10 V | 32 channels | 12-bit | Yes |
| AAD142 | Analog Input Differential Module | ±10 V (differential) | 16 channels | 16-bit | Yes |
| ANB10D | Remote I/O Node Interface | Digital/Analog Mix | Varies | N/A | Yes |
Popular Yokogawa Models
| Model | Function | Input/Output | Channels | Compatible System | Remarks |
|---|---|---|---|---|---|
| AAI543-H50 | Analog Input with HART | 4–20 mA + HART | 16 | CENTUM VP/CS3000 | HART-enabled, high-density |
| ADV551-P50 | Digital Output Module | 24 V DC Sink | 64 | CENTUM VP | Fast response time |
| PW482 | Power Supply Unit | N/A | N/A | CENTUM CS | Stable 24 V DC output |
| CP451-10 | Processor Card | N/A | N/A | CENTUM CS3000 | High-speed CPU card |
| SAI533 | Sequence of Events Input Module | Digital | 64 | ProSafe-RS | For high-speed event capture |
| AAI841-H00 | Universal Input Module | Thermocouple, mV | 16 | CENTUM VP/ProSafe-RS | Universal sensor compatibility |
