Yokogawa ALR111-S00 Serial Communication Module

Product Introduction

The Yokogawa ALR111-S00 is a serial communication module engineered to facilitate high-speed and reliable serial data exchange between Yokogawa’s process control systems and external devices. Designed for seamless integration within the CENTUM VP and STARDOM automation platforms, the ALR111-S00 ensures efficient communication using serial protocols such as RS-232C and RS-422A/RS-485. It plays a crucial role in connecting PLCs, sensors, actuators, barcode readers, and other field devices to Yokogawa’s control environment.

This module is typically mounted within a system rack and acts as a bridge between different layers of the industrial communication hierarchy, ensuring data integrity and process optimization in real-time. With robust construction, long operational life, and compliance with industrial standards, the ALR111-S00 is well-suited for mission-critical applications in process industries such as oil and gas, chemicals, power, and water treatment.

Product Specifications

Product Applications

The ALR111-S00 module is utilized across various industrial control applications requiring serial data communication. Key applications include:

• PLC-to-DCS Communication: Connecting third-party PLCs with Yokogawa DCS.

• Instrument Data Acquisition: Receiving data from serial instruments like analyzers and sensors.

• Barcode/RFID Integration: Interfacing with scanners for traceability in production lines.

• Remote Terminal Units (RTUs): Enabling communication with RTUs for remote data access.

• Legacy System Integration: Connecting older equipment with serial-only ports into modern control systems.

• Building Management Systems (BMS): Communicating with HVAC controllers or access systems.

Product Advantages

• Multi-Protocol Support: Offers flexible RS-232C and RS-485/422 interfaces.

• Robust Communication: Ensures stable data transfer even in noisy industrial environments.

• Flexible Configuration: Baud rates, parity, and data formats are easily adjustable.

• Compact Design: Small footprint allows for efficient cabinet space usage.

• Diagnostic LEDs: Real-time communication status and fault indication for easier troubleshooting.

• High Compatibility: Seamless integration with Yokogawa’s automation platforms and third-party systems.

• Long-Term Reliability: Industrial-grade components for continuous 24/7 operation.

• Cost-Efficiency: Enables modernization of legacy equipment without complete overhaul.

Frequently Asked Questions (FAQ)

1. What communication protocols does the ALR111-S00 support?
   The ALR111-S00 supports RS-232C, RS-422A, and RS-485 serial communication standards.

2. Is the ALR111-S00 compatible with CENTUM VP?
   Yes, it is fully compatible and configurable through Yokogawa’s system engineering tools.

3. How is the module powered?
   It receives power through the system rack it is mounted in, with a typical consumption of 2.5 W.

4. Can I use this module in outdoor environments?
   The module is designed for indoor use within a control cabinet. Use in outdoor settings requires proper enclosure.

5. How do I configure the baud rate and data format?
   Configuration is done via Yokogawa’s engineering workstation or configuration tools.

6. Is there galvanic isolation in the communication path?
   Yes, optical isolation is provided between system circuitry and serial ports for safety.

7. What are the indicators on the module?
   The LEDs indicate transmit (TX), receive (RX), error, and module health status.

8. Can I use this module to communicate with Modbus RTU devices?
   Yes, provided the proper protocol support is configured, it can handle Modbus RTU over serial.

9. What is the lifespan of the module?
   Under normal industrial conditions, the lifespan exceeds 10 years.

10. What certifications does the ALR111-S00 hold?
    It is CE marked and complies with UL, CSA, and RoHS standards.

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Frequently Asked Questions (FAQ)

1. What communication protocols does the ALR111-S00 support?
   The ALR111-S00 supports RS-232C, RS-422A, and RS-485 serial communication standards.

2. Is the ALR111-S00 compatible with CENTUM VP?
   Yes, it is fully compatible and configurable through Yokogawa’s system engineering tools.

3. How is the module powered?
   It receives power through the system rack it is mounted in, with a typical consumption of 2.5 W.

4. Can I use this module in outdoor environments?
   The module is designed for indoor use within a control cabinet. Use in outdoor settings requires proper enclosure.

5. How do I configure the baud rate and data format?
   Configuration is done via Yokogawa’s engineering workstation or configuration tools.

6. Is there galvanic isolation in the communication path?
   Yes, optical isolation is provided between system circuitry and serial ports for safety.

7. What are the indicators on the module?
   The LEDs indicate transmit (TX), receive (RX), error, and module health status.

8. Can I use this module to communicate with Modbus RTU devices?
   Yes, provided the proper protocol support is configured, it can handle Modbus RTU over serial.

9. What is the lifespan of the module?
   Under normal industrial conditions, the lifespan exceeds 10 years.

10. What certifications does the ALR111-S00 hold?
    It is CE marked and complies with UL, CSA, and RoHS standards.

Related Models from the Same Series

Popular Yokogawa Models

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