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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
| Parameter | Description |
|---|---|
| Model Number | ALR111-S00 |
| Manufacturer | Yokogawa Electric Corporation |
| Product Type | Serial Communication Module |
| Communication Interface | RS-232C / RS-422A / RS-485 selectable |
| Baud Rate Support | 1,200 to 115,200 bps |
| Data Format | Start bit, data bits (7/8), parity (odd/even/none), stop bit |
| Isolation | Optical isolation between communication and system circuits |
| Error Handling | Parity check, framing error detection |
| Status Indicators | LED for TX/RX, error, and module health |
| Power Consumption | Approx. 2.5 W |
| Operating Temperature | 0 to 50°C |
| Storage Temperature | -20 to 70°C |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Mounting Method | Mounted on a baseplate or I/O unit chassis |
| Dimensions (W×H×D) | 126.7 × 32.8 × 130 mm |
| Weight | 0.3 kg |
| Compliance | CE, UL, CSA, RoHS |
| Software Support | Configurable via Yokogawa system configuration tools |
Product Applications
The ALR111-S00 module is utilized across various industrial control applications requiring serial data communication. Key applications include:
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PLC-to-DCS Communication: Connecting third-party PLCs with Yokogawa DCS.
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Instrument Data Acquisition: Receiving data from serial instruments like analyzers and sensors.
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Barcode/RFID Integration: Interfacing with scanners for traceability in production lines.
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Remote Terminal Units (RTUs): Enabling communication with RTUs for remote data access.
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Legacy System Integration: Connecting older equipment with serial-only ports into modern control systems.
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Building Management Systems (BMS): Communicating with HVAC controllers or access systems.
Product Advantages
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Multi-Protocol Support: Offers flexible RS-232C and RS-485/422 interfaces.
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Robust Communication: Ensures stable data transfer even in noisy industrial environments.
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Flexible Configuration: Baud rates, parity, and data formats are easily adjustable.
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Compact Design: Small footprint allows for efficient cabinet space usage.
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Diagnostic LEDs: Real-time communication status and fault indication for easier troubleshooting.
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High Compatibility: Seamless integration with Yokogawa’s automation platforms and third-party systems.
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Long-Term Reliability: Industrial-grade components for continuous 24/7 operation.
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Cost-Efficiency: Enables modernization of legacy equipment without complete overhaul.
Frequently Asked Questions (FAQ)
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What communication protocols does the ALR111-S00 support?
The ALR111-S00 supports RS-232C, RS-422A, and RS-485 serial communication standards. -
Is the ALR111-S00 compatible with CENTUM VP?
Yes, it is fully compatible and configurable through Yokogawa’s system engineering tools. -
How is the module powered?
It receives power through the system rack it is mounted in, with a typical consumption of 2.5 W. -
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. -
How do I configure the baud rate and data format?
Configuration is done via Yokogawa’s engineering workstation or configuration tools. -
Is there galvanic isolation in the communication path?
Yes, optical isolation is provided between system circuitry and serial ports for safety. -
What are the indicators on the module?
The LEDs indicate transmit (TX), receive (RX), error, and module health status. -
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. -
What is the lifespan of the module?
Under normal industrial conditions, the lifespan exceeds 10 years. -
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
| Model | Description | Key Features |
|---|---|---|
| ALR121-S00 | Enhanced serial module with dual-port configuration | RS-485/RS-422 dual channel |
| ALR110-S00 | Basic RS-232C communication module | Ideal for legacy connections |
| ALP121-S00 | Protocol conversion and serial data handling | Multi-device connectivity |
| ALR113-S00 | Isolated RS-485 communication module | Strong electrical noise immunity |
| ALR124-S00 | High-speed RS-422 communication interface | Optimized for fast polling systems |
| ALP122-P12 | Advanced protocol gateway module | Interconnects various serial protocols |
Popular Yokogawa Models
| Model | Description | Key Features |
|---|---|---|
| YFGW410 | Wireless gateway for field device networks | ISA100 wireless support |
| CENTUM VP | Distributed control system (DCS) platform | Highly scalable, secure, and reliable |
| ProSafe-RS | Safety instrumented system with SIL-3 certification | Integrated with DCS |
| YHC5150X | Handheld HART communicator | Portable, rugged design |
| YTA610 | Smart temperature transmitter | Dual input, HART protocol |
| FCN-RTU | Compact remote terminal unit for field sites | Ideal for oil & gas and utilities |
