RS2LAN Serial Device Server


RS2LAN Serial Device Server

3Wire - RS2LAN



3Wire RS2LAN is an Advanced Industrial Grade Serial Device Server with Modbus Gateway features (converts Modbus RTU to Modbus TCP). It enables hosts to control RS232 / 485 /422 serial devices located virtually anywhere through a TCP/IP or UDP/IP connection.
It connects serial devices such as PLC, DPM, alarm sensor and PTZ camera control to IP networks. Applications include Industrial/Factory Automation, AMR, Energy Management and Surveillance Systems.

RS2LAN can operate as Modbus TCP Master, Modbus TCP Slave, Paired Mode, Bridge Mode with the data connection thru direct IP or Virtual COM.


  • 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 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
  • Supports 10/100 Mbps Ethernet
  • Power / Link / Active LED indicator
  • Heartbeat & Keep Alive function ensures a reliable connection
  • Back to factory configuration by external switch
  • 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

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


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

Serial Parameters
Baud Rate 1200 ~ 115200bp
Data Bits 5 bits ~ 9 bits
Parity None, Odd, Even, Mark, Space 

Configuration 3Wire Device Management Software & WEB Browser
Net Communication Direct TCP/IP, Virtual Serial Port
Mode TCP Server, TCP Client, UDP, UDP Multicast

Power Requirement
9 ~ 48V DC. 80mA@12V : 40mA@24V : 20mA@48V

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

Network Analyzer / Bidirectional Energy / Data Logger / Current Transformers / RS485 / 3Wire / Digital Contact / Modbus Communication. 3WIRE-RS2LAN from Saturn Pyro is the best available in Malaysia. High performance and cost effective Power Meter, can transform ratio for CT and VT. Available in Penang, KL, Selangor, Johor, Sabah, Sarawak & anywhere in Malaysia & Singapore.

Saturn Pyro provides reliable engineering services such Electrical Safety Survey, Power System Studies (Short Circuit, Load Flow & Protection Discrimination on ETAP), Arc Flash Assessment & Labeling, Design Of Earthing & Lightning Protection, Measurement Of Touch & Step potentials, Power Quality Management, Energy Audit and Data Center Performance Assessment. We also provides Electrical Safety Survey such as Inspection of an electrical installation, Identification of risk (electrical hazards), Review of documentation, operations & maintenance procedures, contingency planning, Generation of report in details of risk potentials and plan for mitigation, Closing report post implementationas. Available in Pulau Pinang, Johor, Kuala Lumpur (KL), Selangor and anywhere in Malaysia / Singapore / Bangalore / India / Mumbai.

 Inquiry - RS2LAN Serial Device Server