3Wire RS2WLAN | Serial Device Server & Modbus Gateway: 马来西亚的首选 Saturn Pyro Sdn Bhd

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Introduction

3Wire RS2WLAN is an industrial-grade WiFi/LAN IoT gateway designed to connect serial and Ethernet-based devices-such as PLCs, meters, and sensors-to cloud-based IoT platforms.

It enables SCADA and BMS software to remotely access these devices over WiFi or LAN, ensuring seamless integration and real-time monitoring. The RS2WLAN gateway can actively poll data from connected devices and transmit it via MQTT or HTTP POST over the network.

Device configuration, data selection, and polling intervals can be easily managed through the serial interface. The RS2WLAN also supports operation as a Modbus TCP Master, Modbus TCP Slave (Paired Mode), or in Bridge Mode, with data connectivity available through direct IP or Virtual COM, making it fully compatible with most SCADA and BMS system.

Features

Links Serial and Ethernet devices to an IEEE 802.11b/g network; simultaneous access over Ethernet & WIFI
MQTT and HTTP Post can be configured, to send data to IoT Platforms.
DTL-645 & Modbus RTU parameters can be polled and converted to JSON format.
Optical isolation of 1500V on RS485 / RS422 data lines; 2kV surge protection on Ethernet Port
Supports baud rate of 1200bps ~ 115200bps, 5 ~ 9 bits and parity can be “None”, “Odd”, “Even”, “Mark” & “Space”
Serial port interface for RS232 / 485 / 422; terminal block for RS485 & RS422 and DB9 for RS232
Supports 10/100 Mbps Ethernet
Operates in STA Mode to connect to wireless router or AP Mode to connect to WIFI devices (including mobile phone)
Power / Link / Active LED indicator
Secure data access with WEP, WPA, WPA2
Fast roaming for quick automatic switching between access points
Upto 256 slaves connected on RS485 / 422 bus
Multi-mode operation; TCP Server, TCP Client, UDP Mode, UDP Multicast
Modbus TCP Gateway function (converts Modbus RTU to Modbus TCP)
Supports 30 TCP clients at TCP Server and 7 destination IP as TCP Client
Heartbeat & Keep Alive function ensures a reliable connection
Virtual Port operation using 3Wire ComPort Emulator software
Automatic discovery and configuration using provided 3Wire Device Management software or Web Browser configuration
Wide voltage 9VDC ~48VDC with dual voltage input; Screw Terminal or DC-Jack
Plug-in screw terminal wiring; accepts AWG12 ~AWG30 wires

Specifications

General Specs
Interface	:	RS485/422: Terminal; RS232: DB9
Power Supply	:	5.5mm Plug & 2 Way Plugable Terminal Block
Dimensions	:	94mm (L) x 65mm (W) x 25mm (H)

Interface
Ethernet	:	10M / 100M, 2kV Surge Protection
Wifi	:	802.11b/g
Serial	:	RS232 / 485 / 422 x 1: RXD, TXD, GND, CTS, RTS

Serial Parameters
Baud Rate	:	1200 ~ 115200bps
Data Bits	:	5 bits ~ 9 bits
Parity	:	None, Odd, Even, Mark, Space
Flow	:	RTS / CTS, XON / XOFF, NONE

Communication
Protocol	:	RS485/422: Terminal; RS232: DB9
Conguration	:	5.5mm, Inside positive outside negative, standard outlet
Net Communication	:	Direct TCP/IP, Virtual Serial Port
Mode	:	TCP Server, TCP Client, UDP, UDP Multicast

Power Requirement
924V DC80mA@12V 40mA@24V

Environment
Operation Temperature	:	-40°C ~ 85°C
Storage Temperature	:	-45°C ~ 125°C
Humidity	:	5 ~ 95% RH

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