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Product Introduction
The Yokogawa AMM22J Voltage Input Multiplexer Module is a precision analog multiplexer designed to measure multiple voltage input signals in a compact and efficient manner. It serves as a key component within Yokogawa’s control and automation systems, especially in CENTUM and STARDOM environments. This module consolidates numerous voltage signals into a single data stream, enabling efficient and cost-effective monitoring of plant instrumentation.
With a strong emphasis on signal integrity and reliability, the AMM22J supports various voltage input ranges and provides accurate conversion and multiplexing of signals for seamless integration into distributed control systems. Its robust design ensures stable operation across harsh industrial conditions, making it suitable for critical process control applications.
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | AMM22J |
| Manufacturer | Yokogawa Electric Corporation |
| Product Type | Voltage Input Multiplexer Module |
| Input Channels | 16 voltage input channels |
| Input Signal Type | Voltage (DC) |
| Input Voltage Range | ±10 V DC, 0–10 V DC, 0–5 V DC selectable |
| Input Impedance | Approximately 1 MΩ |
| Accuracy | ±0.1% of full scale |
| Scan Time | Approx. 100 ms per channel |
| Common Mode Voltage | ±10 V DC |
| Isolation | Channel-to-bus: 1500 V AC (1 min) |
| Power Supply Voltage | Supplied via I/O base (typically 24 V DC) |
| Power Consumption | Approx. 4.5 W |
| Operating Temperature Range | -20°C to +55°C |
| Storage Temperature Range | -40°C to +70°C |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Dimensions (H × W × D) | 45 × 97 × 103 mm |
| Weight | 0.3 kg |
| Mounting Type | DIN rail mount |
| Diagnostics | Channel open detection, overrange, undervoltage alerts |
| Certifications | CE, KC, RoHS compliant |
Product Applications
The Yokogawa AMM22J Voltage Input Multiplexer Module finds widespread use across multiple industries, especially where voltage signals from sensors and instruments need to be monitored efficiently. Typical applications include:
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Chemical and Petrochemical Plants: Monitoring voltage signals from sensors measuring temperature, level, and pressure.
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Oil & Gas Industry: Voltage signal acquisition from remote wellheads, separators, and process vessels.
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Power Generation: Capturing control signals from turbines, generators, and transformers.
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Pharmaceutical Manufacturing: Voltage input monitoring for precise environmental control.
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Water and Wastewater Treatment: Measuring voltage outputs from flow and level sensors.
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Food & Beverage Industry: Monitoring voltage signals for process automation and quality control.
Product Advantages
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High-Density Input Channels: Accommodates 16 voltage input channels within a compact form factor, optimizing control cabinet space.
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Versatile Voltage Input Ranges: Supports multiple voltage input ranges (±10 V, 0–10 V, 0–5 V) to suit various sensors and applications.
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Accurate and Stable Measurements: Provides ±0.1% full-scale accuracy with robust isolation for signal integrity.
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Built-in Diagnostics: Enables early detection of open circuits, overrange, and undervoltage conditions, improving system reliability.
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Wide Operating Conditions: Designed to operate reliably in temperatures from -20°C to +55°C and in humid environments.
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Easy Installation: DIN rail mounting and plug-and-play connectivity simplify system setup and maintenance.
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Seamless Integration: Fully compatible with Yokogawa’s CENTUM and STARDOM control systems.
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Energy Efficient: Low power consumption reduces overall system energy needs.
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Global Compliance: Meets international safety and environmental standards (CE, RoHS, KC).
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Long-Term Support: Supported by Yokogawa’s extensive global service network.
Frequently Asked Questions (FAQ)
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Q: What voltage ranges does the AMM22J support?
A: It supports ±10 V DC, 0–10 V DC, and 0–5 V DC input ranges. -
Q: How many voltage inputs can one AMM22J handle?
A: The module supports 16 individual voltage input channels. -
Q: Is there isolation between input channels and the system bus?
A: Yes, the module provides 1500 V AC isolation between channels and the bus. -
Q: Can the AMM22J detect open or faulty input signals?
A: Yes, it features diagnostics for open circuits, overrange, and undervoltage detection. -
Q: What is the accuracy of the voltage measurements?
A: The typical accuracy is ±0.1% of full scale. -
Q: What is the operating temperature range?
A: The module operates reliably from -20°C to +55°C. -
Q: What is the physical size of the module?
A: It measures 45 × 97 × 103 mm. -
Q: How much does the AMM22J weigh?
A: The weight is 0.3 kg. -
Q: Is the module compatible with non-Yokogawa systems?
A: It is primarily designed for Yokogawa platforms but can be integrated with other systems using the appropriate I/O bases. -
Q: What certifications does the AMM22J have?
A: The module is CE, KC, and RoHS compliant.
Related or Compatible Models in the Same Series
| Model | Description | Channels | Signal Type | Typical Use |
|---|---|---|---|---|
| AMM22C | Analog Current Input Multiplexer | 16 | 4–20 mA current | Current loop applications |
| AMM12J | Voltage Input Multiplexer (smaller) | 12 | Voltage DC | Compact voltage input needs |
| AMM32J | Extended Voltage Range Multiplexer | 16 | ±10 V, 0–20 V DC | Flexible voltage inputs |
| AIM10C | Isolated Analog Input Module | 8 | Thermocouple/RTD | Temperature measurements |
| ADM51C | Digital Multiplexer Module | 16 | Digital ON/OFF | Discrete signal monitoring |
| AAM50C | Mixed Analog Input Module | 8 AI + 8 DI | Analog + Digital | Hybrid process control |
Popular Models from Yokogawa (Same Brand)
| Model | Description | Function | Industry Application |
|---|---|---|---|
| CENTUM VP | Distributed Control System | Process Automation | Large-scale plant management |
| STARDOM FCN-500 | Compact Controller | Edge and Remote Control | Distributed automation |
| YHC5150X | HART Communicator | Field Device Management | Field instrumentation support |
| EJX110A | Differential Pressure Transmitter | Pressure Measurement | Process control |
| YS1700 | Program Controller | Batch and Loop Control | Various industrial processes |
| ADMAG AXF | Magnetic Flowmeter | Flow Measurement | Water, chemical, slurry flows |
