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Yokogawa ALR121-S01 RS-422/RS-485 Serial Communication Module for ProSafe-RS & CENTUM VP
Yokogawa ALR121-S01 RS-422/RS-485 Serial Communication Module for ProSafe-RS & CENTUM VP
Yokogawa ALR121-S01 RS-422/RS-485 Serial Communication Module for ProSafe-RS & CENTUM VP
Yokogawa ALR121-S01 RS-422/RS-485 Serial Communication Module for ProSafe-RS & CENTUM VP
Yokogawa ALR121-S01 RS-422/RS-485 Serial Communication Module for ProSafe-RS & CENTUM VP
Yokogawa ALR121-S01 RS-422/RS-485 Serial Communication Module for ProSafe-RS & CENTUM VP
Yokogawa ALR121-S01 RS-422/RS-485 Serial Communication Module for ProSafe-RS & CENTUM VP
Yokogawa ALR121-S01 RS-422/RS-485 Serial Communication Module for ProSafe-RS & CENTUM VP
Specifications
Model number :
ALR121-S01
Model Number :
ALR121-S01
Supply Ability :
999
Product ID :
Yokogawa ALR121-S01 Serial Communication Module (RS-422/RS-485)
Brand Name :
Yokogawa
Payment Terms :
T/T
Condition :
New
Price :
$835
Series :
ALR121-S01
MOQ :
1
Delivery Time :
5-7days
Function :
Good
Certification :
COO ,COC ,CQ
Warranty :
1 Year
Place of Origin :
Japan
Description
Yokogawa ALR121-S01 Serial Communication Module
Product Overview

Reliable serial communication is essential for integrating industrial controllers with field devices and third-party systems. As industrial automation networks continue to connect PLCs, DCS controllers, analyzers, and intelligent instruments, dependable data transmission becomes critical for maintaining efficient plant operation. The Yokogawa ALR121-S01 is a dedicated RS-422/RS-485 Serial Communication Module designed for ProSafe-RS and compatible Yokogawa control platforms. Featuring two serial communication ports, it enables stable communication with external subsystems while supporting long-term operation in demanding industrial environments.

Technical Specifications
Model Number ALR121-S01
Other Models AAI135-S00
ATD5A-00S1
AAI135-S00
AAI141-S00
AAV144-S50
ADR541-P00
ADR541-P50
Product Images
Yokogawa ALR121-S01 RS-422/RS-485 Serial Communication Module for ProSafe-RS & CENTUM VP

Yokogawa ALR121-S01 RS-422/RS-485 Serial Communication Module for ProSafe-RS & CENTUM VPYokogawa ALR121-S01 RS-422/RS-485 Serial Communication Module for ProSafe-RS & CENTUM VPYokogawa ALR121-S01 RS-422/RS-485 Serial Communication Module for ProSafe-RS & CENTUM VP
Engineer's Advice

The ALR121-S01 is commonly used in oil & gas, chemical processing, power generation, and water treatment facilities, where industrial controllers must exchange data with analyzers, PLCs, remote devices, and other serial communication equipment. Its primary function is to provide reliable RS-422/RS-485 communication between Yokogawa control systems and external subsystems, helping improve communication stability, simplify system integration, and support continuous plant operation.

Global Applications

Saudi Arabia, UAE, Germany, Brazil, India, and more than a hundred other countries

Typical Applications
  • Factory Automation
  • Machine Control
  • Chemical Processing
  • Water & Wastewater Treatment
  • Packaging Equipment
  • Power Generation
  • Process Manufacturing
Application Scenario
Yokogawa ALR121-S01 RS-422/RS-485 Serial Communication Module for ProSafe-RS & CENTUM VP
Our Advantages
  • Over 10 years of experience in supplying automation modules
  • Products exported to more than 50 countries
  • Established long-term partnerships with international logistics providers including DHL, FedEx and UPS, ensuring fast delivery
  • Large in-stock inventory for quick delivery and short lead times
Frequently Asked Questions
What incoterm is the quote based on?
All quotes are based on EXW.
What payment terms are accepted?
We accept 100% T/T before shipping.
What communication interfaces does the ALR121-S01 support?
The ALR121-S01 supports RS-422 and RS-485 serial communication through two independent ports.
What is the maximum communication distance?
When configured for RS-485 communication, the maximum total transmission distance is 1200 meters.
What is the product warranty period?
Warranty for 1 year.
Installation Requirements

Professional installation is essential to ensure optimal performance, operational safety, and compliance with industry standards. Proper implementation is critical for reliable system integration and long-term operational efficiency.

  • Professional installation required for optimal performance and safety
  • Ensure proper mounting and adequate ventilation
  • Comply with all applicable electrical safety standards
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Yokogawa ALR121-S01 RS-422/RS-485 Serial Communication Module for ProSafe-RS & CENTUM VP

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Product Detail
Model number :
ALR121-S01
Model Number :
ALR121-S01
Supply Ability :
999
Product ID :
Yokogawa ALR121-S01 Serial Communication Module (RS-422/RS-485)
Brand Name :
Yokogawa
Payment Terms :
T/T
Contact Supplier
Yokogawa ALR121-S01 RS-422/RS-485 Serial Communication Module for ProSafe-RS & CENTUM VP
Yokogawa ALR121-S01 RS-422/RS-485 Serial Communication Module for ProSafe-RS & CENTUM VP
Yokogawa ALR121-S01 RS-422/RS-485 Serial Communication Module for ProSafe-RS & CENTUM VP
Yokogawa ALR121-S01 RS-422/RS-485 Serial Communication Module for ProSafe-RS & CENTUM VP

Sumset International Trading Co.,Ltd

Verified Supplier
4 Years
fujian, xiamen
Since 2014
Business Type :
Trading Company
Main Products :
ABB 800xa, Bently Nevada Parts, GE PLC
Total Annual :
1000000-20000000
Employee Number :
20~35
Certification Level :
Verified Supplier
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