Excellent PLC
Product Introduction
The Yokogawa NFLR121-SE0 Serial Communication Module is designed for reliable, high-performance serial communication within the Yokogawa network systems. It enables seamless integration between field devices and control systems, supporting multiple serial protocols for industrial automation. With robust signal integrity and flexible connectivity, this module is ideal for process control environments requiring stable and precise data exchange.
Product Specifications
| Parameter | Specification |
|---|---|
| Model | NFLR121-SE0 |
| Function | Serial Communication Module |
| Supported Protocols | RS-232, RS-422, RS-485 |
| Maximum Data Rate | 115.2 kbps |
| Number of Ports | 1 |
| Interface Type | DB9 Connector |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -20°C to 70°C |
| Power Supply | 5 V DC |
| Power Consumption | 1.5 W |
| Dimensions | 130 x 142.9 x 32.8 mm |
| Weight | 0.3 kg |
| Certification | CE, UL |
Product Applications
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Connecting field devices such as sensors and actuators to the central control system.
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Industrial process control communication requiring reliable serial data exchange.
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Retrofitting older serial devices into modern networked systems.
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Data acquisition and monitoring in manufacturing plants.
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Integration with PLCs and DCS systems for real-time control.
Product Advantages
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High Reliability: Ensures stable communication in industrial environments.
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Versatile Protocol Support: Compatible with RS-232, RS-422, and RS-485 standards.
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Compact Design: Minimal footprint (130 x 142.9 x 32.8 mm) allows flexible installation.
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Low Power Consumption: Efficient operation at 1.5 W.
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Easy Installation: Plug-and-play design reduces setup time.
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Wide Operating Temperature: Operates effectively between 0°C and 55°C.
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Compliance Certified: Meets CE and UL standards for safety and quality.
FAQ
Q1: What serial protocols does the NFLR121-SE0 support?
A1: It supports RS-232, RS-422, and RS-485 protocols.
Q2: Can this module communicate at data rates higher than 115.2 kbps?
A2: The maximum recommended data rate is 115.2 kbps; higher rates may compromise reliability.
Q3: How many devices can be connected to a single module port?
A3: Up to 32 devices for RS-485 in a multi-drop configuration, depending on cable length and termination.
Q4: Does the module support full-duplex communication?
A4: RS-232 and RS-422 support full-duplex, while RS-485 is typically half-duplex.
Q5: Is galvanic isolation provided on the serial port?
A5: Yes, the module provides galvanic isolation to protect against voltage surges.
Q6: Can the module be hot-swapped in the control system?
A6: No, it should be powered down before installation or removal to prevent communication errors.
Q7: What is the recommended cable type for RS-485 communication?
A7: Twisted-pair shielded cable with 120 Ω termination at both ends is recommended.
Q8: How does the module handle noise in industrial environments?
A8: The module features differential signaling and noise-resistant design to maintain signal integrity.
Q9: Can multiple NFLR121-SE0 modules be installed in the same system?
A9: Yes, multiple modules can be used, with each assigned a unique address for communication.
Q10: Does the module support software configuration for baud rate and parity?
A10: Yes, communication parameters such as baud rate, parity, and stop bits can be configured via the system software.
Recommended Same-Series or Related Models
| Model | Description |
|---|---|
| NFLR121-SE1 | Serial Communication Module with extended RS-485 range |
| NFLR121-SF0 | Serial Field Module with RS-232/422/485 support |
| NFLR121-SG0 | General-purpose Serial Communication Module |
| NFLR122-SE0 | High-speed Serial Module for Yokogawa systems |
| NFLR123-SE0 | Multi-port Serial Communication Module |
| NFLR124-SC0 | Compact Serial Interface Module |
Recommended Popular Models from Yokogawa
| Model | Description |
|---|---|
| NFSB100-S51 | Bus Repeat Module |
| NFLR121-SE0 | Serial Communication Module |
| NFXL311 | Network Interface Module |
| NFSB200 | Redundant Bus Module |
| NFSB300 | Fieldbus Interface Module |
| NFLR131 | Advanced Serial Communication Module |
