8*RS485 Ports Serial Ethernet Converter is designed to realize bidirectional data transparent transmission between the serial port and the Ethernet port.
Widely supports connecting the IoT platform with stardard MQTT protocol
Edge Computing
N580 actively execute data collection and internal calculate, then transmits to cloud platform by customized Json format. Edge computing gateways can effectively relieve the pressure on the server.
Data Transmission Encryption
Supports SSL/TLS encryption in TCP client, HTTP client and MQTT operation modes, supports two-way certificates authentication.
PUSR Cloud Management
Easy to achieve edge computing, pair connection, remote operation and maintenance.
Modbus Gateway
Transfer between modbus RTU and modbus TCP protocol, support modbus multi-host polling. Support up to 128 data points for data collection and modbus address mapping.
Basic Function
Bi-directional data transmission between RS485 port and Ethernet.
Block Diagram
Cascade Connection Function
Dual Ethernet port 10/100mbps It supports switch function Other devices can be cascaded through USR-N580.
Free Choice of Multiple Working Modes
N580 supports TCP Client、TCP Server、UDP Client、UDP Server、Httpd Client (later support MQTT Client) and other modes ; only a simple configuration, you can achieve data pass-through function..
Arm scheme (Cortex-M7 core)to provide a better experience
Arm Cortex-M7 Scheme,480Mhz CPU, 1M RAM +4M Flash The scheme features short transmission delay, fast data transmission speed, flexible expansion, and stable. (MQTT/SSL/IPV6 and other major protocols will come soon, please enquire directly for more information ).
Advanced Hardware Protection
EFT Protection
Avoid interference of pulse group caused by inductive load switching in line, such as motor, frequency converter, etc.
Pause Group: Level 3.
Surge Protection
Avoid instantaneous big electric current because of the circuit such as lightning stroke, power switch, etc. when cause damage to equipment hardware.
Anti Surge: Level 3.
ESD Protection
Prevent electrostatic damage to equipment, such as human electrostatic, dust electrostatic, electric power application of environmental arc, etc.
Contact Level 4. Air Level 4
Watchdog
Internal process watchdog and external hardware watchdog work 24 hours without stopping steadily.
Product Details
L*W*H 222*122*35（mm） including terminals and mounting ears
Shipping List
Application Case
Network Monitoring of Industrial Automation
Traditional network monitoring of industrial automation actually without networking. N580, integrating optimized TCP/IP protocol stack, provides network scheme of serial port data to TCP/IP, which can greatly improve the level of industrial automation.
Unattended Weighing
N580 is connected with the barrier gate to facilitate the control center to control the gate switch remotely through Ethernet. At the same time, many serial ports of N580 can connect peripherals like weighing instruments, LED displays, RFID readers, vehicle induction coils, ticket printers, fitting more application scenarios..
Network Alarm for Electrical Fire
N580 can communicate with the serial port of the electric fire alarm to transmit the alarm information to the server platform quickly, and remind the staff to pay attention to the fire information, and reduce the loss of people and property.
Classify
Parameter
Value
Hardware Parameters
Operating Voltage
DC 9.0～36.0V
Operating Current
120mA@12V
Net interface format
RJ45,10/100Mbps
Serial baud rate
600~921.6K(bps)
No. of serial ports
RS485*8
Software parameters
Net protocol
IPV4, TCP/UDP, HTTP
IP mode
Static IP, DHCP
DDNS
supports
User Configuring
Software/webpage configuring, serial/network AT commands
In today's era of deep integration between Industry 4.0 and the Internet of Things (IoT), the compatibility issue between traditional serial devices and modern network systems has become a core pain point restricting intelligent upgrades. The 8 Port Serial to Ethernet Converter N580 launched by PUSR serves as a bridge connecting legacy devices to cloud platforms, thanks to its eight independent serial ports, edge computing capabilities, multi-protocol support, and industrial-grade protection design.
1. Core Product Functions: Solving the "Last Mile" Challenge in Industrial Communication
1.1 Multi-Protocol Conversion Hub
The 8 Port Serial to Ethernet Converter N580 supports bidirectional transparent transmission between eight RS485/RS232 serial ports and Ethernet, enabling simultaneous connection to eight industrial devices with different protocols (such as PLCs, sensors, and meters). It encapsulates serial data into IP packets through its built-in TCP/IP protocol stack, achieving seamless integration between devices and cloud platforms. For example, in a smart factory, eight legacy RS485 temperature sensors can be directly connected to the MES system via the 8 Port Serial to Ethernet Converter N580 without the need for hardware replacement.
1.2 Breakthrough in Protocol Compatibility
Modbus RTU/TCP Dual Protocol Support: Built-in Modbus gateway functionality automatically converts between Modbus RTU (serial) and Modbus TCP (network) protocols, resolving polling conflicts among multiple hosts. For instance, in an electric power monitoring system, the N580 can simultaneously respond to polling requests from three SCADA master stations, supporting the collection and address mapping of 128 data points.
Deep Integration of MQTT Protocol: Supports standard MQTT protocol connections to mainstream platforms such as Alibaba Cloud and AWS IoT, enabling direct publication of device data to cloud topics and reducing reliance on intermediate servers. Test data shows that MQTT transmission latency is below 50ms at a baud rate of 115200bps, meeting real-time monitoring requirements.
The 8 Port Serial to Ethernet Converter N580 is equipped with an Arm Cortex-M7 processor (480MHz clock speed), enabling local data preprocessing capabilities:
Data Aggregation: Real-time summation and average calculation of data from eight sensors, uploading only key indicators to the cloud.
Rule Engine: Configurable threshold alarms (e.g., triggering an alert when temperature exceeds 80°C) to reduce cloud computing pressure.
Automatic JSON Generation: Converts binary serial data into standard JSON format according to preset templates, such as mapping Modbus register values to {"device_id": "N580_01", "temp": 25.5, "status": "normal"}, simplifying cloud parsing processes.
2. Typical Application Scenarios and Device Access Solutions
Connected Devices: PLCs, frequency converters, smart meters, temperature and humidity sensors
Case Study: An automobile manufacturing plant uses the 8 Port Serial to Ethernet Converter N580 to connect eight Siemens S7-1200 PLCs, enabling real-time production data collection via the Modbus TCP protocol. The cascading functionality of the N580 (dual Ethernet ports supporting switch mode) expands network coverage, allowing a single device to manage over 50 nodes.
Value Points:
Eliminates protocol silos and unifies data outlets
In a steel plant's blast furnace monitoring system, the 8 Port Serial to Ethernet Converter N580 connects eight pressure transmitters, simultaneously responding to requests from DCS and energy management systems via Modbus multi-host functionality to avoid data conflicts.
Test data shows that a single 8 Port Serial to Ethernet Converter N580 can stably support 2,000 register read/write operations per second in a 100Mbps network environment.
4.Technical Specifications and Deployment Recommendations
Key Indicators
Parameter Item
Specification Description
Processor
Arm Cortex-M7 (480MHz)
Memory
1MB RAM + 4MB Flash
Serial Port Type
8×RS485 (optional RS232/RS422)
Baud Rate
600-921600bps (adaptive)
Network Interface
2×10/100Mbps Ethernet (supports cascading)
Operating Temperature
-40°C~85°C (industrial grade)
MTBF
>50,000 hours
Deployment Topology Recommendations
Star Topology: Suitable for centralized device scenarios (e.g., computer room monitoring), with a single 8 Port Serial to Ethernet Converter N580 serving as the central node connecting all devices.
Chain Topology: Extended via dual Ethernet port cascading, suitable for long-distance distributed deployments (e.g., oil pipeline monitoring).
Hybrid Topology: Combines star and chain topologies to build redundant networks (e.g., intelligent traffic signal control systems).
5.Industry Value and Future Evolution
The launch of the 8 Port Serial to Ethernet Converter N580 marks a transition of industrial communication devices from "simple conversion" to "intelligent gateways." Its core value is reflected in:
Cost Optimization: A single device replaces eight traditional serial servers, saving 70% in hardware costs.
Efficiency Improvement: Edge computing reduces cloud data volume, lowering bandwidth consumption by 40%.
Security Enhancement: End-to-end encryption meets Level 3 requirements of the Cybersecurity Classification Protection 2.0 standard.
In the future, the 8 Port Serial to Ethernet Converter N580 will support new technologies such as 5G NR and TSN (Time-Sensitive Networking) through OTA upgrades, continuously empowering the evolution of industrial IoT toward deterministic networks. For enterprises seeking digital transformation, choosing the N580 is not merely selecting a hardware product but making a strategic investment in building future-ready factory communication infrastructure.
Industrial loT Gateways Ranked First in China by Online Sales for Seven Consecutive Years **Data from China's Industrial IoT Gateways Market Research in 2023 by Frost & Sullivan
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