Yokogawa NFLR121-S51 Serial Communication Module

The Yokogawa NFLR121-S51 is a highly reliable serial communication module designed for robust industrial automation systems. It is engineered to facilitate seamless and efficient data exchange between control devices and peripheral equipment in a variety of industrial environments. This module supports multiple serial communication protocols, making it a versatile component for integration into complex control networks.

The NFLR121-S51 stands out for its compact design, high-speed data processing capabilities, and rugged construction that ensures long-term operational stability even in harsh industrial settings. It is widely used in process control applications where dependable communication and data integrity are critical.

Product Specifications

Product Applications

The Yokogawa NFLR121-S51 is primarily designed for use in industrial automation and process control environments where reliable serial communication is essential. Typical application areas include:

• Distributed Control Systems (DCS): Integrates various field devices to central controllers for coordinated process management.

• Manufacturing Automation: Facilitates communication between programmable logic controllers (PLCs), sensors, and actuators.

• Process Monitoring: Transmits critical operational data from sensors to control units for real-time monitoring.

• Power Plants: Supports communication in supervisory control and data acquisition (SCADA) systems.

• Oil & Gas Industry: Enables data exchange in pipeline monitoring and refinery automation.

• Water Treatment Plants: Connects sensors and actuators for precise process control and automation.

The module’s flexible communication capabilities allow it to be employed in numerous other industrial sectors requiring stable and accurate serial data transmission.

Product Advantages

• Compact and Lightweight: With dimensions of 130 x 142.9 x 32.8 mm and weighing only 0.3 kg, the NFLR121-S51 is space-efficient and easy to install in constrained control cabinets.

• High Compatibility: Supports multiple serial protocols (RS-232, RS-485), ensuring broad compatibility with existing equipment.

• Robust Build Quality: Designed for harsh industrial environments with resistance to vibration, temperature extremes, and electrical noise.

• Reliable Data Transmission: Incorporates advanced error detection and isolation features to maintain communication integrity.

• Easy Installation: DIN rail mounting and screw terminal connectors simplify setup and maintenance.

• Power Efficiency: Operates on a low power supply of 24 V DC, minimizing energy consumption.

• Isolation Protection: 1500 V AC isolation voltage protects the system from electrical surges and faults.

• Flexible Integration: Works seamlessly with Yokogawa’s control systems and other third-party automation equipment.

• Stable Performance: Designed to operate continuously in demanding conditions without degradation.

• Comprehensive Technical Support: Backed by Yokogawa’s global service network ensuring prompt assistance and parts availability.

Frequently Asked Questions (FAQ)

1. What communication protocols does the NFLR121-S51 support?

   It supports RS-232 and RS-485 serial communication protocols.

2. Can the module be used in high-temperature environments?

   Yes, it operates reliably between -10°C and 55°C.

3. Is the NFLR121-S51 compatible with PLCs from other manufacturers?

   Yes, due to its support of standard serial protocols, it is compatible with many third-party PLCs.

4. What are the mounting options for the module?

   It is designed for DIN rail mounting for easy installation in control panels.

5. How is the module powered?

   The module requires a 24 V DC power supply.

6. Does the module provide electrical isolation?

   Yes, it offers 1500 V AC isolation voltage to protect against electrical noise and surges.

7. What is the maximum data transfer rate?

   The module supports data rates up to 115.2 kbps.

8. Can it be used in hazardous environments?

   While robust, it is not certified for use in hazardous locations; please consult Yokogawa’s safety guidelines.

9. What kind of connectors does the module use?

   It uses screw terminal blocks for secure wiring connections.

10. Is technical support available for installation and troubleshooting?

    Yes, Yokogawa provides comprehensive support through its global network.