Yokogawa ALR121-S50 S1 Serial Communication Module
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8615305023276 | |||||||
| +8615305023276 | ||||||||
| 15305023276 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||

Yokogawa ALR121-S50 S1 Serial Communication Module
Product Overview
The Yokogawa ALR121-S50 S1 Serial Communication Module is designed to provide reliable serial communication capabilities for integration with Yokogawa’s CENTUM VP and ProSafe-RS control systems. It enables efficient data transfer and communication with various serial field devices, supporting protocols such as RS-232C and RS-485. The module offers robust performance and advanced diagnostics to ensure stable operation in demanding industrial environments.
Key Features
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Supports multiple serial communication protocols including RS-232C and RS-485
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Enables seamless integration with CENTUM VP and ProSafe-RS systems
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Provides reliable, high-speed data transfer for serial devices
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Equipped with built-in diagnostics to monitor communication status and errors
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Compact and rugged design suitable for industrial applications
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Facilitates flexible system expansion and device connectivity
Technical Specifications
Dimensions and Weight
| Specification | Value |
|---|---|
| Dimensions | 126.7 × 32.8 × 130 mm |
| Weight | 0.3 kg |
General Information
| Specification | Details |
|---|---|
| Model Number | ALR121-S50 S1 |
| Module Type | Serial Communication Module |
| Supported Protocols | RS-232C, RS-485 |
| Operating Voltage | 24 V DC nominal |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -20°C to 70°C |
| Relative Humidity | 5% to 95% (non-condensing) |
| Mounting | DIN rail or panel mounting |
Electrical Characteristics
| Specification | Details |
|---|---|
| Power Consumption | Approx. 5 W |
| Communication Speed | Up to 115.2 kbps |
| Isolation Voltage | 1500 VAC between serial interface and module |
Industry Applications
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Process control environments requiring serial device connectivity
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Chemical and petrochemical industries for instrument communication
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Manufacturing plants integrating legacy serial devices
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Water and wastewater treatment facilities with serial communication needs
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Power generation systems requiring serial data exchange
The Yokogawa ALR121-S50 S1 Serial Communication Module offers dependable serial communication capabilities, supporting key protocols such as RS-232C and RS-485. Its robust design, advanced diagnostics, and compatibility with CENTUM VP and ProSafe-RS systems make it an ideal choice for integrating serial field devices in various industrial applications, ensuring stable and efficient data communication.
Yokogawa ALR121-S50 S1 Serial Communication Module is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8615305023276 | |||||||
| +8615305023276 | ||||||||
| 13950166376 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation to ensure you have all the information you need before making a purchase.
Shipping times vary depending on your location. With the support of our 16 global warehouses, we strive to deliver orders as quickly as possible. Contact us to get an estimated delivery time for your specific location.
The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
Yes, we offer competitive pricing for bulk purchases. Please reach out to our sales team with the specifics of your order to receive a custom quote.
We accept various payment methods for wholesale orders, including bank transfers (T/T), letters of credit, and other options upon agreement. For large transactions, please contact us directly for payment terms.
Yes, we offer flexible ordering options for both small and large quantities. Whether youre looking for a single unit or a large batch, we can accommodate your needs.
We occasionally offer promotional discounts for new wholesale customers. Contact us to learn more about any current offers available for first-time buyers.
If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.








