YOKOGAWA ALR121-S51 | SERIAL COMMUNICATION MODULE

Product Description

The Yokogawa ALR121-S51 is a serial communication module that is used in FIO systems to communicate with subsystems such as FA-M3. It can be mounted on field control units (AFV30, AFV40, AFV10, and AFF50), ESB bus node unit (ANB10), and process analyzers. The ALR121-S51 supports a variety of communication protocols, including Modbus, FA-M3, MELSEC-A, YS, SLC500, and PLC-S. It also supports dual-redundant operation, which means that it can continue to operate even if one of its communication links fails.

Here are some of the features of the Yokogawa ALR121-S51:

• Supports a variety of communication protocols
• Dual-redundant operation for high availability
• Supports ProSafe-SLS events and data acquisition
• Compact and lightweight design
• Easy to install and maintain

The Yokogawa ALR121-S51 is a powerful and versatile serial communication module that is well-suited for a variety of applications in FIO systems. It is a reliable and cost-effective solution for high-availability communication.

Here are some of the benefits of using the Yokogawa ALR121-S51:

• Increased uptime and availability
• Reduced downtime and maintenance costs
• Improved communication performance
• Simplified system architecture
• Enhanced system security

If you are looking for a reliable and high-performance serial communication module for your FIO system, then the Yokogawa ALR121-S51 is a great option to consider. It is a well-made product that is backed by a reputable company.

The module is designed for use in industrial applications, such as:

• process control
• factory automation
• building automation
• power generation
• power distribution
• oil and gas
• water and wastewater
• transportation
• telecommunications

The module is compatible with the following standards:

• IEC 61010-1
• UL 508
• CSA C22.2 No. 14

The module has the following features:

• 32-channel digital input
• 24 V DC ON/OFF signals
• Rated applied voltage of 24 V DC
• External power supply rating of 24 V DC, 50 mA
• Compatible with Yokogawa ADV551 series products
• Designed for industrial applications
• Compatible with IEC 61010-1, UL 508, and CSA C22.2 No. 14 standards

The module is available in the following configurations:

• 32-channel digital input
• 16-channel digital input, 16-channel analog output
• 8-channel digital input, 8-channel analog input, 8-channel analog output
• 4-channel digital input, 4-channel analog input, 4-channel analog output, 4-channel temperature input
• 2-channel digital input, 2-channel analog input, 2-channel analog output, 2-channel temperature input, 2-channel temperature output

Guarantee and Returns
1. All products we sell are 100% New original Package.in good condition and 

will be examed before they are shipped. We will try our best to avoid any quality problems.

2. We offer 12 month warranty after receiving parcels. If there are some workmanship 

or material defects with the products, please contact us firstly, we will exchange it or 

offer other solutions for you to make a choice.
3. The shipping and handling charge is not refundable and customer should be responsible 

for all the charges of unreasonable returning and reshipping. All return items must be in 

good condition. They must under resalable condition. Man-made defects are not guaranteed, 

such as broken, scratched and so on. Thanks for understanding and cooperation!
4. Terms of Payment:We accept T/T

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