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ABB CI920N 3BDS014113 Communication Interface for Industrial Automation
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Yokogawa ALR121-S00 Serial Communication Module

Brand:Yokogawa Electric
Item No.:ALR121-S00
Product Origin:Japan
Product Dimensions:205 mm (H) × 50 mm (W) × 150 mm (D)
Product Weight:0.48kg
Payment:T/T, Western Union, Credit Card
Goods_stock:15
Shipping Port:Xiamen, China
Lead Time:1-3 Days
Condition:Brand New And Original
Warranty:1 Year
Certificate:COO
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Introduction

The YOKOGAWA ALR121‑S00 Serial Communication Module is a purpose‑built industrial interface component engineered to deliver stable and reliable serial data connectivity between field devices and distributed control systems (DCS). With support for industry‑standard serial protocols and robust electrical isolation, this module provides dependable signal exchange in automation environments that demand precision and uptime. Its rugged design and seamless compatibility with Yokogawa control architectures make the ALR121‑S00 an excellent choice for integrating legacy equipment, expanding communication paths, or enhancing data flow integrity in complex systems.

Technical Specifications

SpecificationDetail
Model NameYOKOGAWA ALR121‑S00
Module TypeSerial Communication Module
Compatible SystemsYokogawa Distributed Control Systems and Serial I/O Networks
Primary FunctionEnables serial communication between field units and control buses
Supported ProtocolsStandard industrial serial formats (configurable RS‑232/RS‑422/RS‑485)
Signal InterfacesBidirectional serial data exchange
MountingRack or chassis mount within Yokogawa I/O infrastructure
Power SupplySupplied via system backplane or rack bus
Electrical IsolationChannel and system isolation for signal integrity
Approx. Dimensions205 mm (H) × 50 mm (W) × 150 mm (D)
Approx. Weight~0.48 kg
Operating TemperatureStandard industrial range


Applications

The ALR121‑S00 is used in automation settings where serial communication needs to be robust, reliable, and easy to configure:

  • Legacy Device Integration — connecting older serial instruments into modern DCS networks

  • Process Control Systems — data exchange with analyzers, transmitters, and controllers

  • Manufacturing Automation — serial communications for machine control and data reporting

  • Utility and Facility Monitoring — stable transfer of serial data in energy and water systems

  • Remote Field Units — communication between distributed sensors and control systems

This module provides stable serial links essential for systems where real‑time data accuracy and reliability are critical.


Advantages

  • Reliable Serial Connectivity
    Supports stable and continuous data transfer using standardized serial communications.

  • Flexible Protocol Support
    Configurable for RS‑232, RS‑422, or RS‑485, accommodating diverse field devices.

  • Industrial‑Grade Durability
    Designed to perform consistently under industrial temperature and electrical noise conditions.

  • Compact Installation Profile
    Slim design allows efficient use of space in control cabinets and I/O racks.

  • Seamless System Integration
    Works natively with Yokogawa DCS frameworks, simplifying configuration and maintenance.


Technical FAQs

  1. What is the main purpose of the ALR121‑S00?
    It provides serial communication connectivity between field devices and Yokogawa control systems.

  2. Which serial protocols are supported?
    Configurable support for RS‑232, RS‑422, and RS‑485 communications.

  3. Is this module compatible with Yokogawa DCS environments?
    Yes — it integrates with Yokogawa distributed control systems and serial I/O networks.

  4. Does it require an external power supply?
    No — the module is powered via the system backplane or rack bus power.

  5. What are the approximate physical dimensions?
    Around 205 mm (H) × 50 mm (W) × 150 mm (D).

  6. How much does it weigh?
    Approximately 0.48 kg.

  7. Does the module provide electrical isolation?
    Yes — channel and system isolation support improved signal integrity.

  8. Can it connect to legacy serial equipment?
    Yes — its support for common serial standards makes it ideal for connecting legacy devices.

  9. Is it suitable for harsh industrial environments?
    Yes — it is designed to operate reliably under industrial temperature and electrical conditions.

  10. Can multiple modules be used together?
    Yes — multiple ALR121‑S00 units can support expanded serial communication needs in larger systems.


Sales and Business Development

Phone: +8617350837383
E-mail: [email protected]
Skype: +8617350837383
WhatsApp: +8617350837383
Business hours: We Provide Online Support 24/7
Address: Room 1001, Jiuzhou Commercial Building, Xiamen, Fujian Province, China

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