Product Description
Product Overview
The Yokogawa NFLR121-S00 S1 is a Serial Communication Module designed to exchange data with devices like PLCs via RS-422/RS-485 serial communication lines. It supports two ports with a wide range of communication speeds, making it a versatile solution for industrial systems requiring reliable serial data transfer.
Technical Specifications
The NFLR121-S00 S1 Serial Communication Module has the following specifications (specific to NFLR121 unless otherwise noted):
| Item | Specification |
|---|---|
| Model | NFLR121 |
| Interface | RS-422/RS-485 (2 ports) |
| How Connected | Multipoint |
| How Communicates | Half-duplex/Full-duplex (*1) |
| How Synchronizes | Start-stop synchronization |
| Communication Speed | 0.3, 1.2, 2.4, 4.8, 9.6, 14.4, 19.2, 28.8, 38.4, 57.6, 76.8, 115.2 kbps |
| Transmission Code | ASCII/binary |
| Character Length | 7/8 bits |
| Stop Bit | 1/2 bits |
| Parity Check | None/even/odd |
| Transmission Distance | Maximum 1200 m (total extended length) |
| Wiring Connection (*2) | Clamped with terminal block’s M4 screws (5 poles x 2) (*4) |
| Current Consumption | 500 mA |
| Weight | 0.3 kg |
Terminal Block Details
The NFLR121 RS-422/RS-485 Communication Module Terminal Block (M4 Screws) has the following pin assignments:
| Terminal Symbol | Signal Name | Function |
|---|---|---|
| TX+ | Send Data | Data transmission (common mode signal) |
| TX- | Send Data | Data transmission (reverse phase signal) |
| RX+ | Received Data | Data reception (common mode signal) |
| RX- | Received Data | Data reception (reverse phase signal) |
| SG | Signal Ground | Signal grounding |
Model and Suffix Codes
The NFLR121-S00 S1 includes the following configuration details:
| Category | Details |
|---|---|
| Model | NFLR121 RS-422/RS-485 Communication Module (2-port, 300 bps to 115.2 kbps) |
| Suffix Codes |
|
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