Product Overview

The Yokogawa ALR121-S01 module is a crucial communication interface designed to extend the connectivity of Yokogawa Distributed Control Systems (DCS), especially within the CENTUM VP and CENTUM CS families. This serial communication module ensures that your Field Control Station (FCS) can seamlessly connect with a wide array of field subsystems and third-party devices, enabling reliable data exchange across your industrial network. By supporting standard industrial protocols such as Modbus Slave and Subsystem Communication, the ALR121-S01 guarantees smooth communication in mission-critical applications.

This module is flexible and robust, with features such as dual-redundancy support, making it an ideal choice for industrial environments requiring high availability. It's designed to be mounted on various units, including AFV Field Control Units and ANB bus node units.

Technical Specifications Summary

Key Features and Benefits

• Dual Port Configuration: The ALR121-S01 module supports two ports, making it highly versatile for multi-point and point-to-point communication setups.

• Long-Distance Communication: RS-485 connection enables communication up to 1200 meters, making it suitable for large-scale industrial sites. The RS-422 interface supports point-to-point communication up to 15 meters.

• Selectable Transmission Speeds: The module supports various speeds, ranging from 1200 bps to 38400 bps, offering flexibility for different communication needs.

• Redundancy Support: For increased system uptime, the ALR121-S01 can be configured for dual-redundant operation, ensuring that communication is maintained in the event of a module failure.

• Low Power Consumption: With a current consumption of just 0.5 A, this module minimizes power load on the control system’s power supply, contributing to overall system efficiency.

Frequently Asked Questions (FAQ)

Q: What is the maximum transmission speed of the Yokogawa ALR121-S01?

A: The maximum transmission speed for this module is 38400 bps, which ensures fast and efficient data communication over serial connections.

Q: Does the ALR121-S01 support redundancy?

A: Yes, the ALR121-S01 supports dual-redundant configurations, allowing for higher system availability. To enable redundancy, a second ALR121 module is required.

Q: What is the warranty for the ALR121-S01 Communication Module?

A: The ALR121-S01 is provided as new, original factory stock. We offer a 30-day return policy if you encounter any quality-related issues.

Q: What is your typical shipping time for the ALR121-S01 module?

A: We typically process and ship orders within 3 days to 2 weeks, depending on the volume and complexity of your order.

Q: Which logistics carriers do you use for delivery?

A: We use reliable logistics partners, including DHL, to ensure efficient and timely worldwide delivery.