ALR111-S01 Yokogawa RS-232 Communication Module for CENTUM DCS

Description

Product Description

Yokogawa ALR111-S01 is a reliable RS-232 communication module for CENTUM CS and CENTUM VP systems.

It supports stable Modbus slave and subsystem communication.

The module ensures accurate data transfer in harsh industrial environments.

Its compact design simplifies system expansion and maintenance.

Key Advantages

• Stable serial communication for control systems
• Designed for long-term industrial operation
• Easy integration into Yokogawa DCS platforms
• Low signal delay and high data integrity

Technical Specifications

• Brand: Yokogawa
• Model: ALR111-S01
• Series: CENTUM CS / CENTUM VP
• Module type: RS-232 communication module
• Communication mode: Half-duplex
• Protocol support: Modbus slave, subsystem link
• Synchronization: Start-stop
• Transmission speed: 1200 to 38400 bps
• Data format: Binary code
• Character length: 8 bits
• Stop bits: 1 or 2 bits
• Parity options: None, even, odd
• Post-transmission delay: 1 ms
• Maximum distance: 15 meters
• Current consumption: 0.5 A
• Operating temperature: Industrial standard range
• Environmental resistance: Vibration and electrical noise tolerant
• Interference immunity: Designed for factory floor signals

Mechanical Data

• Dimensions: 12.7 × 5.1 × 12.7 cm
• Weight: Approximately 0.3 kg

Installation Guide

• Install directly into compatible CENTUM racks
• Use specified Yokogawa interface cables only
• Ensure proper grounding before power-up
• Verify baud rate settings before commissioning

Commissioning and Maintenance

• Simple parameter setup through DCS configuration tools
• No calibration required during normal use
• LED indicators assist quick fault detection
• Module replacement without system redesign

Compatibility Information

• Compatible systems: CENTUM CS, CENTUM VP
• Supported cables: AKB131, AKB132, AKB135, AKB136
• Works with standard RS-232 industrial devices

Diagnostic Capabilities

• Communication status monitoring via DCS
• Error detection for parity and framing issues
• Fast isolation of wiring or device faults

Typical Application Scenarios

• Process automation systems
• Subsystem data acquisition
• Legacy device integration
• Industrial monitoring networks

Certifications and Compliance

• Manufactured under Yokogawa quality standards
• Meets industrial automation safety requirements

Package Contents

• 1 × ALR111-S01 communication module
• Protective packaging
• Factory inspection label

Warranty and Logistics

• Warranty period: 12 months
• Delivery services: FedEx, UPS, DHL
• Professional export-grade packaging

FAQ

• What is the main function of this module?
  It provides stable RS-232 Modbus slave communication.
• Can it work with third-party devices?
  Yes, if the device supports standard RS-232 signaling.
• Is special software required?
  No extra software is needed beyond CENTUM configuration tools.
• How far can data be transmitted?
  The recommended distance is up to 15 meters.
• Is this module suitable for harsh environments?
  Yes, it resists noise and vibration in industrial sites.
• How do I choose the correct cable?
  Select AKB series cables based on rack layout and length.
• What should I check before purchase?
  Confirm system compatibility and required baud rate.

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