Yokogawa NFLR121-S00 Serial Communication Module

The Yokogawa NFLR121-S00 Serial Communication Module is a high-performance interface module designed for industrial automation systems. It provides reliable serial communication between controllers and peripheral devices, enabling seamless data exchange in complex control environments. This module supports multiple serial protocols and ensures stable operation even under high network loads, making it suitable for process automation, factory automation, and monitoring applications.

Product Advantages

• High Reliability: Ensures stable data transfer in industrial environments with electromagnetic interference.

• Protocol Flexibility: Supports multiple serial protocols, enabling integration with a wide range of devices.

• Easy Integration: Compatible with Yokogawa’s existing controllers and I/O modules, reducing setup time.

• Compact Design: Small footprint allows for easy installation in control cabinets.

• Robust Performance: Maintains consistent operation under varying temperature and load conditions.

• Enhanced Diagnostics: Built-in error detection and status monitoring features improve maintenance efficiency.

Technical Specifications

Product Applications

• Connecting industrial controllers to sensors, actuators, and other peripherals.

• Facilitating data acquisition in distributed control systems (DCS).

• Enabling communication between SCADA systems and field devices.

• Supporting process monitoring and control in chemical, oil, and gas plants.

• Providing reliable serial communication in factory automation networks.

FAQ

1. Q: What serial protocols does the NFLR121-S00 support?

   A: The module supports RS-232C and RS-485 protocols for standard serial communication.

2. Q: Can multiple NFLR121-S00 modules be used on the same network?

   A: Yes, multiple modules can be daisy-chained or connected in a network using RS-485.

3. Q: What is the maximum cable length supported for RS-485 communication?

   A: Up to 1,20 meters at lower baud rates (up to 19.2 kbps).

4. Q: How does the module handle communication errors?

   A: It has built-in error detection with LED status indicators for diagnostics.

5. Q: What are the power requirements for this module?

   A: 24 VDC ± 10% with a typical consumption of 2.5 W.

6. Q: Is the module compatible with Yokogawa DCS controllers?

   A: Yes, it is fully compatible with the Yokogawa CENTUM VP and other DCS controllers.

7. Q: Can the module operate in high-temperature environments?

   A: It operates reliably within 0–55°C and can be stored in -20–70°C.

8. Q: Does the module support automatic baud rate detection?

   A: No, the baud rate must be manually configured according to the connected device.

9. Q: How are communication LEDs used for troubleshooting?

   A: Power, TX, RX, and Error LEDs indicate module status and data transfer activity.

10. Q: Can the NFLR121-S00 be mounted in standard control panels?

    A: Yes, its compact size allows mounting on DIN rails or standard panel surfaces.