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- Yokogawa
- ALR121-S50
- Serial Communication Module
- Japan
- 126.7 × 32.8 × 130 mm
- 0.3 kg
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Yokogawa ALR121-S50 Serial Communication Module
Product Description
The Yokogawa ALR121-S50 is a versatile and reliable serial communication module designed for seamless data exchange between industrial control systems and field devices. This module allows for smooth integration of field instruments, such as sensors and actuators, into control systems via serial communication protocols. The ALR121-S50 provides a robust connection between equipment, ensuring real-time data transfer over distances while maintaining signal integrity. With a compact design (126.7 × 32.8 × 130 mm and weighing just 0.3 kg), it is easy to integrate into existing control systems or automation networks.
The module supports industry-standard protocols, including Modbus RTU, allowing for broad compatibility across different devices and systems. Designed for use in harsh industrial environments, the ALR121-S50 guarantees reliable performance even in environments with high electromagnetic interference (EMI) and extreme temperatures.
Product Specifications
| Specification | Details |
|---|---|
| Dimensions | 126.7 × 32.8 × 130 mm |
| Weight | 0.3 kg |
| Communication Protocol | Modbus RTU |
| Data Rate | Up to 115200 bps |
| Operating Voltage | 24 VDC ± 20% |
| Temperature Range | -20°C to +60°C |
| Mounting Type | DIN rail or panel mountable |
| Connector Type | 9-pin D-Sub, RJ45 Ethernet |
| Power Consumption | 3.5W |
| Compliance | CE, UL certified |
| Environmental Rating | IP20 |
Product Applications
The Yokogawa ALR121-S50 serial communication module is utilized in various industries requiring reliable and secure communication between controllers, field devices, and remote monitoring systems. Common applications include:
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Industrial Automation Systems: It is used to connect various field devices (e.g., sensors, actuators) to control systems via Modbus RTU, ensuring smooth data transfer for real-time process control.
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SCADA Systems: This module enables communication between remote terminal units (RTUs) and central SCADA servers, providing real-time data from distributed systems.
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Process Control: The ALR121-S50 plays a critical role in process industries such as chemicals, oil and gas, and pharmaceuticals, where it facilitates communication between controllers and instruments in monitoring and control systems.
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Energy Management Systems: It can be deployed in energy monitoring systems to collect data from power meters and energy management systems, aiding in efficient energy usage and reducing operational costs.
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Building Automation: Used in building management systems for controlling HVAC, lighting, and security systems, offering remote access and control over Ethernet or serial connections.
Product Advantages
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Reliable Communication: The ALR121-S50 provides stable and secure data transmission using Modbus RTU, which is a widely accepted industry standard for serial communication.
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Compact and Lightweight: With dimensions of 126.7 × 32.8 × 130 mm and a weight of only 0.3 kg, the module’s compact size allows easy installation in constrained spaces without compromising functionality.
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Easy Integration: Supports Modbus RTU, a widely used protocol that enables easy integration with various industrial devices, controllers, and third-party systems.
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Robust and Durable: Built to withstand harsh industrial environments, the module operates reliably within a temperature range of -20°C to +60°C and can endure electromagnetic interference (EMI).
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Flexible Installation: The ALR121-S50 can be mounted on DIN rails or directly on panels, offering versatility in different installation scenarios.
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Energy-Efficient: Consumes only 3.5W, minimizing power usage and reducing operational costs for the system.
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Cost-Effective: Offers an affordable solution for industries requiring reliable serial communication for automation and control systems.
Brand Information
Yokogawa is a global leader in industrial automation and control systems, providing cutting-edge products that enhance productivity, efficiency, and safety across a wide range of industries. Yokogawa’s portfolio includes solutions for process control, measurement, and monitoring, aimed at delivering optimized performance in manufacturing, energy, and infrastructure applications. The ALR121-S50 is part of Yokogawa’s broad range of communication modules, designed to integrate easily into industrial networks and support real-time data collection and transmission.
Recommended Related Models from the ALR Series
| Model | Description | Specifications |
|---|---|---|
| ALR121-S01 | Basic serial communication module for small-scale applications | 126.7 × 32.8 × 130 mm; 0.3 kg; Modbus RTU |
| ALR121-S10 | High-performance module with extended data rates | 126.7 × 32.8 × 130 mm; 0.3 kg; Modbus RTU |
| ALR121-S60 | Advanced version with Ethernet and serial interface | 126.7 × 32.8 × 130 mm; 0.32 kg; Modbus RTU |
| ALR121-S50 | Enhanced model with additional communication protocols | 126.7 × 32.8 × 130 mm; 0.3 kg; Modbus RTU |
| ALR121-S70 | Multi-port communication module with isolated channels | 126.7 × 32.8 × 130 mm; 0.35 kg; Modbus RTU |
Recommended Popular Models from Yokogawa
| Model | Description | Key Specs |
|---|---|---|
| AMM42T | Multi-point I/O communication module | 140 × 120 × 35 mm; 0.5 kg; Supports Modbus TCP, EtherNet/IP |
| AMN51 | Advanced I/O communication module for complex systems | 150 × 125 × 45 mm; 0.6 kg; Modbus TCP, EtherNet/IP |
| ATB5S-00 | High-performance Ethernet communication module | 130 × 120 × 35 mm; 0.4 kg; 10/100 Mbps; Supports Profinet |
| AMM12-S3 | Multipoint I/O Communication Module with extended protocol support | 160 × 125 × 40 mm; 0.7 kg; EtherNet/IP, Modbus TCP |
| AMM11T | Basic I/O communication module for industrial use | 130 × 125 × 32.8 mm; 0.3 kg; Modbus TCP, EtherNet/IP |
FAQ (Frequently Asked Questions)
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Q: What communication protocols does the ALR121-S50 support?
A: The module supports Modbus RTU for serial communication. -
Q: What is the operating voltage of the ALR121-S50?
A: The module operates with a 24 VDC power supply ± 20%. -
Q: How is the ALR121-S50 mounted?
A: It can be mounted on DIN rails or directly on panels. -
Q: What is the data rate supported by the ALR121-S50?
A: The module supports data rates up to 115200 bps. -
Q: Can the ALR121-S50 be used in outdoor environments?
A: No, it is rated for indoor use with an IP20 environmental rating. -
Q: Is the ALR121-S50 energy-efficient?
A: Yes, it consumes only 3.5W of power, making it energy-efficient. -
Q: What is the temperature range of the ALR121-S50?
A: The module operates in temperatures between -20°C to +60°C. -
Q: What is the weight of the ALR121-S50 module?
A: The module weighs 0.3 kg. -
Q: Can the ALR121-S50 communicate with other Yokogawa products?
A: Yes, the module is compatible with other Yokogawa controllers and industrial equipment. -
Q: How does the ALR121-S50 integrate with Modbus RTU systems?
A: The module easily integrates by connecting via the 9-pin D-Sub or RJ45 Ethernet port.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.