Yokogawa ALR121-S01 Serial Communication Module

Company Information
E-mail		sales@xmjzjsgs.com
Mobile		+8613666033393
Whatsapp		+8613666033393
WeChat		13666033393
Add		Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China

Product Overview

The Yokogawa ALR121-S01 Serial Communication Module is designed to ensure reliable, high-performance communication in industrial control systems. Tailored for applications requiring robust data exchange, the ALR121-S01 enables seamless integration between Yokogawa’s Centum VP DCS and third-party equipment via serial communication.

Built for demanding industrial environments, this module supports the commonly used serial communication protocols: RS-232, RS-485, and RS-422. Whether used in point-to-point or multipoint communication configurations, the ALR121-S01 is designed to provide flexibility and stability for continuous, uninterrupted operation.

Its compact size and easy integration make the ALR121-S01 an ideal choice for industries such as oil & gas, chemical manufacturing, power generation, and process control. This module ensures that critical control data is transmitted reliably in real time, enhancing the overall system efficiency.

---

Key Features

• Multiple Protocol Support: Compatible with RS-232, RS-485, and RS-422 protocols for easy integration with various serial devices.

• Flexible Configuration: Supports both point-to-point and multipoint communication for versatile system setups.

• Real-Time Diagnostics: Equipped with LED indicators to monitor module status and easily diagnose communication errors.

• Compact Design: The small form factor facilitates installation in DIN rail or panel-mounted configurations.

• High-Performance Data Transfer: Designed to ensure high-speed communication for time-sensitive industrial applications.

• Environmental Durability: Built to operate within a temperature range of -20°C to +60°C, ensuring reliable performance in harsh industrial environments.

• Low Power Consumption: Efficient power usage, making it an eco-friendly solution for communication needs.

• Easy System Integration: Simple integration with Yokogawa Centum VP DCS and third-party field devices, making it an ideal choice for process control and automation systems.

---

Technical Specifications

---

Industry Applications

• Oil and Gas: The ALR121-S01 is widely used for communication between remote field devices and control systems in oil fields and refineries, where reliable data transmission is critical for operations.

• Chemical Processing: It facilitates the integration of serial-based instruments with control systems in chemical manufacturing plants, enabling real-time monitoring and control.

• Power Generation: Used for integrating turbine control systems and other power generation equipment to ensure efficient operation.

• Manufacturing Automation: Perfect for automating production lines in manufacturing plants, ensuring smooth communication between machines and central control systems.

• Water Treatment: Ensures real-time data exchange between field sensors and central monitoring systems, vital for efficient water treatment processes.

---

Product Advantages

• Flexible Communication Protocols: The ALR121-S01 offers support for multiple communication protocols (RS-232, RS-485, RS-422), making it highly adaptable to different systems.

• Compact and Space-Efficient: Its compact size allows easy installation even in crowded control panels, saving valuable space.

• Diagnostic and Fault Detection: Built-in LED indicators provide real-time monitoring, helping identify issues quickly and enabling prompt action.

• Redundancy for Reliability: The module supports redundant communication paths to ensure reliable, continuous operation, especially in critical applications.

• Cost-Effective Solution: The ALR121-S01 offers a budget-friendly communication solution that integrates seamlessly with Yokogawa Centum VP DCS and other third-party systems.

• Wide Operating Temperature Range: Designed to work in environments with temperatures ranging from -20°C to +60°C, ensuring performance in challenging industrial conditions.

---

Frequently Asked Questions (FAQ)

1. What serial communication protocols does the ALR121-S01 support?
   The ALR121-S01 supports RS-232, RS-485, and RS-422 communication protocols for compatibility with a variety of field devices.

2. Can the module be mounted on a DIN rail?
   Yes, the module can be DIN rail-mounted or panel-mounted, making it easy to integrate into existing control panels.

3. What is the power supply requirement for the ALR121-S01?
   The module operates on a 24 V DC power supply, which is standard for many industrial communication modules.

4. What is the operating temperature range of the module?
   The ALR121-S01 can function in environments with temperatures ranging from -20°C to +60°C, making it suitable for a wide range of industrial applications.

5. Does the ALR121-S01 support redundant communication?
   Yes, the module supports redundant communication paths, enhancing the reliability of your system.

6. What diagnostic features does the ALR121-S01 have?
   The module features LED indicators for monitoring operational status and diagnosing faults quickly.

7. Is the ALR121-S01 compatible with Yokogawa Centum VP DCS?
   Yes, this module integrates seamlessly with Yokogawa Centum VP DCS for efficient control and communication.

8. What is the size of the ALR121-S01?
   The module has a compact size of 126.7 × 32.8 × 130 mm, which makes it easy to install in various environments.

9. Can the ALR121-S01 be used in chemical processing plants?
   Yes, this module is ideal for applications in chemical processing plants, where it facilitates reliable communication between control systems and field devices.

10. How do I troubleshoot if the module is not working?
    Use the LED indicators to check the status of the module. If necessary, refer to the diagnostics to identify the cause of the issue.

---

Related Models in the Same Series

---

Popular Yokogawa Communication Modules

Frequently Asked Questions (FAQ)

1. What serial communication protocols does the ALR121-S01 support?
   The ALR121-S01 supports RS-232, RS-485, and RS-422 communication protocols for compatibility with a variety of field devices.

2. Can the module be mounted on a DIN rail?
   Yes, the module can be DIN rail-mounted or panel-mounted, making it easy to integrate into existing control panels.

3. What is the power supply requirement for the ALR121-S01?
   The module operates on a 24 V DC power supply, which is standard for many industrial communication modules.

4. What is the operating temperature range of the module?
   The ALR121-S01 can function in environments with temperatures ranging from -20°C to +60°C, making it suitable for a wide range of industrial applications.

5. Does the ALR121-S01 support redundant communication?
   Yes, the module supports redundant communication paths, enhancing the reliability of your system.

6. What diagnostic features does the ALR121-S01 have?
   The module features LED indicators for monitoring operational status and diagnosing faults quickly.

7. Is the ALR121-S01 compatible with Yokogawa Centum VP DCS?
   Yes, this module integrates seamlessly with Yokogawa Centum VP DCS for efficient control and communication.

8. What is the size of the ALR121-S01?
   The module has a compact size of 126.7 × 32.8 × 130 mm, which makes it easy to install in various environments.

9. Can the ALR121-S01 be used in chemical processing plants?
   Yes, this module is ideal for applications in chemical processing plants, where it facilitates reliable communication between control systems and field devices.

10. How do I troubleshoot if the module is not working?
    Use the LED indicators to check the status of the module. If necessary, refer to the diagnostics to identify the cause of the issue.

Related Models in the Same Series

---

Popular Yokogawa Communication Modules

Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.

As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.