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Product Introduction
The Yokogawa AAI835-S50 Analog I/O Module is a cutting-edge component designed for integration into industrial control systems, particularly in applications that require precise analog signal processing. Part of Yokogawa’s renowned AAM Series, the AAI835-S50 module offers 8 channels of analog input/output, providing robust and reliable control for various field devices in industrial automation systems.
Engineered for high performance and durability, the AAI835-S50 is capable of handling a variety of analog signals, including voltage (0-10 V) and current (4-20 mA), with outstanding accuracy and resolution. This module is ideal for use in process control systems, manufacturing, chemical plants, water treatment plants, and power generation systems, where precise monitoring and control of parameters such as temperature, pressure, flow, and level are critical.
The AAI835-S50 is designed for environments requiring high signal isolation, fast response times, and reliability under harsh conditions. It supports communication with Distributed Control Systems (DCS) and Programmable Logic Controllers (PLC), making it a highly versatile solution for industrial applications.
Product Specifications
| Parameter | Specification |
|---|---|
| Model Number | AAI835-S50 |
| Module Type | Analog Input/Output Module |
| Channels | 8 Analog Input and Output Channels |
| Input/Output Type | 4-20 mA, 0-10 V, customizable configurations |
| Signal Accuracy | ±0.1% of Full Scale (FS) |
| Resolution | 16-bit |
| Power Supply | 24 V DC ±20% |
| Temperature Range | Operating: -20°C to +60°C |
| Storage: -40°C to +85°C | |
| Response Time | <10 ms (for 0-100% change in output/input) |
| Isolation | Channel-to-Channel Isolation: 250 V AC |
| Dimensions (H x W x D) | 107.5 × 32.8 × 130 mm |
| Weight | 0.3 kg |
| Mounting Type | DIN Rail |
| Compliance | CE, UL, RoHS |
| Certification | Ex-approved versions available upon request |
| Input/Output Connection | Screw Terminal or Spring Terminal Options |
Product Applications
The Yokogawa AAI835-S50 Analog I/O Module is widely used across many industries due to its versatility, precision, and robustness. The following are key application areas:
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Process Control Systems: In industries like oil and gas, petrochemicals, power generation, and chemical processing, the module plays a vital role in monitoring and controlling critical process parameters such as temperature, pressure, and flow. It interfaces with instruments such as flow meters, temperature sensors, and pressure transmitters.
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Industrial Automation: The module is crucial in controlling machines, conveyors, actuators, and other devices in automated manufacturing systems. Its ability to handle multiple I/O signals simultaneously makes it ideal for controlling various aspects of the production process.
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Energy Management: The AAI835-S50 is used in energy management systems for controlling and monitoring power generation units, distribution transformers, and energy meters, ensuring that the energy supply is stable and efficient.
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Water and Wastewater Treatment: It helps in controlling pumps, valves, and sensors in water treatment facilities, ensuring proper regulation of chemical dosages, water flow rates, and pressure levels.
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Building Automation: In HVAC (Heating, Ventilation, and Air Conditioning) systems, the module is employed to manage temperature, humidity, and air quality, contributing to efficient building operations.
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Environmental Monitoring: The module is used to track environmental parameters, such as air and water quality, in industries that need to comply with environmental regulations.
Product Advantages
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High Accuracy and Precision: The AAI835-S50 provides an accuracy of ±0.1% of Full Scale (FS), which ensures precise measurement and control in even the most demanding applications.
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Fast Response Time: With a response time of less than 10 milliseconds, the module ensures real-time control and monitoring, which is essential in fast-paced industrial environments.
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Wide Signal Range: It supports a variety of input/output configurations, including 4-20 mA and 0-10 V signals, making it flexible and adaptable to various field devices.
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Robust Isolation: With channel-to-channel isolation up to 250 V AC, the module minimizes interference and signal degradation, ensuring reliable performance in noisy electrical environments.
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Wide Temperature Range: The module operates effectively in temperatures ranging from -20°C to +60°C, allowing it to be used in both harsh and moderate industrial conditions.
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Compact Design: Its compact size (107.5 × 32.8 × 130 mm) makes it ideal for installation in crowded control cabinets, saving valuable space.
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Easy Integration: The AAI835-S50 seamlessly integrates with Yokogawa’s DCS and PLC systems, enhancing its usability in large-scale process control systems.
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Energy Efficient: The low power consumption of 24 V DC ±20% makes it a cost-effective solution in long-term operations.
Frequently Asked Questions (FAQ)
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Q: What is the primary function of the AAI835-S50 module?
A: The AAI835-S50 module is designed to handle analog input and output signals, such as 4-20 mA and 0-10 V, for controlling and monitoring field devices in industrial automation systems. -
Q: How many input and output channels does the AAI835-S50 support?
A: The AAI835-S50 supports 8 analog input and output channels. -
Q: What types of signals are supported by the AAI835-S50 module?
A: The module supports 4-20 mA and 0-10 V signals, as well as other customizable configurations. -
Q: What is the accuracy of the AAI835-S50 module?
A: The module offers an accuracy of ±0.1% of Full Scale (FS) for both input and output signals. -
Q: What is the response time of the AAI835-S50 module?
A: The module has a response time of less than 10 milliseconds for 0-100% changes in output/input signals. -
Q: Can the AAI835-S50 module be used in high-temperature environments?
A: Yes, it operates within a temperature range of -20°C to +60°C, which makes it suitable for use in both harsh and moderate environments. -
Q: What is the isolation rating for the AAI835-S50 module?
A: The module provides channel-to-channel isolation of up to 250 V AC, which helps prevent signal interference. -
Q: What is the power supply requirement for the AAI835-S50?
A: The module requires a 24 V DC power supply with a ±20% tolerance. -
Q: What is the size and weight of the AAI835-S50 module?
A: The module has dimensions of 107.5 × 32.8 × 130 mm and weighs 0.3 kg. -
Q: How is the AAI835-S50 mounted?
A: The module can be easily mounted on a DIN rail for convenient installation in control panels.
Related or Similar Models (Same Series/Function)
| Model Number | Description | Channels | Output Type | Compatible Series |
|---|---|---|---|---|
| AAI835-S01 | 8-Channel Analog Input/Output Module | 8 | 4-20 mA, 0-10 V | Yokogawa AAM Series |
| AAI835-S02 | High-Precision Analog I/O Module with Isolation | 8 | 4-20 mA, 0-10 V | Yokogawa AAM Series |
| AAI830-S00 | 16-Channel Analog Input/Output Module | 16 | 4-20 mA, 0-10 V | Yokogawa AAM Series |
| AAI836-S00 | 8-Channel High-Speed Analog I/O Module | 8 | 4-20 mA, 0-10 V | Yokogawa AAM Series |
| AAI837-S00 | High-Resolution Analog I/O Module | 8 | 4-20 mA, 0-10 V | Yokogawa AAM Series |
| AAI838-S00 | 16-Channel Advanced Analog I/O Module | 16 | 4-20 mA, 0-10 V | Yokogawa AAM Series |
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